They can be modified by other resins such as phenolics or unsaturated polyesters. Like APPs, melamine phosphates are also substances combining the synergistic effect of nitrogen- with phosphorus-containing components in one salt. Several studies23,59,60 focused on improving flame retardancy of PA using MC. The behaviour with dilute bases and weak acids is generally good though strong bases and acids attack them. Jahromi demonstrated that MPP depolymerizes at above 350 °C, inducing significant cross-linking (as evidenced by increase in viscosity) in PA 66 and leading to a drastic depolymerization of PA 6 (as evidenced by a decrease in viscosity) [29]. Handles of domestic irons, control buttons, panhandles, buttons of pan lids, ashtrays in melamines or phenolic modified melamines or unsaturated polyester modified melamines. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Le règlement POP interdit ou limite fortement la production et l’utilisation de polluants organiques persistants dans l’Union européenne. Aqueous solutions for adhesives and impregnation. The urea-formaldehydes are obtained by reaction of urea and formaldehyde. The urea-formaldehydes are sensitive to moisture and therefore melamines are preferable for outside use. Substances listed in the EINECS, ELINCS, or NLP inventories. binding agent in paints and coatings or adhesives). For a detailed overview on identified uses and environmental releases, please consult the registered substance factsheet. This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). Only the external faces can be in melamine, which has a more beautiful aspect but is more expensive, whereas the inner mass is in urea-formaldehyde resin. flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment). See also Table 4.31. the electronic edition of the Official Journal of the European Union. It may therefore be concluded that for the low levels of exposure expected from the use of melamine as a flame retardant, it can be considered toxicologically safe. A substance may have its use restricted to certain articles or products and therefore not all the examples may apply to the specific substance. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. Melamine phosphate and melamine pyrophosphate can also be used in paper, textiles, and wood laminates to effect fire-retardant barriers. The CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database. Translations in context of "mélamine" in French-English from Reverso Context: mélaminé Melamine borate is mainly used in intumescent coatings, in various polyolefins, in PVC as an antimony-free synergist and smoke suppressant, and in textile backcoatings [4]. Melamine definition is - a white crystalline organic base C3H6N6 with a high melting point that is used especially in melamine resins. Its good fire retardant properties are due to the release of nitrogen gas when burned or charred. The released phosphoric acid acts to coat and therefore shield the condensed combustible polymer. Bienvenue sur le site web de l'ECHA. The parts should not be subjected to high stresses. If no EU harmonised classification and labelling exists and the substance was not registered under REACH, information derived from classification and labelling (C&L) notifications to ECHA under CLP Regulation is displayed under this section. It is deaminated to the oxytriazine structural analogs ammeline, ammelide, and cyanuric acid. Subsequently, Hanwha Chemical constructed a near-critical hydrolysis plant for Namhae Chemical Corp in to recycle wastewater from the melamine manufacturing process (Table 4.6). W.K. Information on precautionary measures and the safe use is submitted by the registrant of a substance and the registrant is solely responsible for its accuracy and completeness. Melamine definition, a white, crystalline, slightly water-soluble solid, C3N3(NH2)3, used chiefly in organic synthesis and in the manufacture of resins, especially melamine resins. By continuing you agree to the use of cookies. Above 350 °C, melamine polyphosphate undergoes endothermic decomposition thus acting as a heat sink and cooling the combustion source. De plus amples informations sur la pratique multilingue de l'ECHA sont disponibles. H. Vahabi, ... C. Chivas-Joly, in Novel Fire Retardant Polymers and Composite Materials, 2017, Melamine and its derivatives (MC, melamine polyphosphate and melamine pyrophosphate (PyMP)) have been among the best FRs for PAs since the 1970s.54,55 The mechanism and modes of action of melamine in PA have been widely studied.56–58 Melamine and MC promote dehydration of primary amide chain ends and also scission of alkylamide bonds and formation of carbodiimide. Example of melamine Get the answers you need, now! Release to the environment of this substance can occur from industrial use: formulation of mixtures. Unlike the usual industrial dense polymers, which are processed as carefully as possible while avoiding the formation of bubbles, vacuoles etc., the alveolar materials (foams) result from the desire to introduce, in a controlled way, a certain proportion of voids with the aim of improving the thermal or phonic insulating character. MPP is a salt of melamine and polyphosphoric acid. This substance can be found in complex articles, with no release intended: Vehicles (e.g. This fan-shaped crystal is brightly birefringent when viewed under cross-polarized light. the products in which the substance may be used) may refer to uses as intermediate and under controlled conditions, for which there is no consumer exposure. Melamines and urea formaldehydes are very cost-effective polymers ranging from: €1–3/kg for given urea-formaldehyde grades. 1. Bhuiyan, in Reference Module in Materials Science and Materials Engineering, 2017. In addition, products bonded with MF resins seem to be less susceptible to the release of formaldehyde than are products bonded with UF resin. The amino resin consumption of industrialized countries accounts for 17–36% of the total thermoset consumption and is approximately 3–6% of the total plastic consumption. High and low voltage electrical engineering, switches, distributor boxes, meter cases, regulator cases, hoodings of small electric motors, fuse boxes in melamines. According to the classification provided by companies to ECHA in REACH registrations this substance is suspected of damaging fertility or the unborn child. All of the available information indicates that melamine has low acute and chronic toxicity, so no adverse effects are envisaged from the level of exposure expected from the use of melamine as a flame retardant. cutting of textile, cutting, machining or grinding of metal). Definition of melamine noun in Oxford Advanced Learner's Dictionary. The alveolar materials consist of a polymer skeleton surrounding the cells, which may be closed or partially or completely open to neighbouring cells or the outside. Several major pet food and human food safety incidents involving melamine occurred worldwide between 2003 and 2008, causing notable morbidity and mortality in children, cats, dogs, poultry, and pigs. Melamine, a colourless crystalline substance belonging to the family of heterocyclic organic compounds, which are used principally as a starting material for the manufacture of synthetic resins. Low voltage sockets and plugs, switches, adaptors, junction boxes, dimmer switches in urea-formaldehydes. BASF has developed a heat and flame resistant fibre “Basofil”, which is actually produced by MLM. Treatment consists of withdrawing the offending feed, fluid diuresis, alkalinization of urine, and other supportive therapy. Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. Chemical structure of melamine. Examples include recommended measures on fire-fighting, transport and recycling and disposal. Melamine derivatives are salts with organic or inorganic acids such as boric acid, cyanuric acid, and phosphoric or polyphosphoric acid. Structure of melamine polyphosphate (MPP). This section provides an overview of the calculated volume at which the substance is manufactured or imported to the European Economic Area (EU28 + Iceland, Liechtenstein and Norway). Melamines: characteristic examples, Table 4.33. Release to the environment of this substance can occur from industrial use: industrial abrasion processing with low release rate (e.g. Table 4.31 presents an example of the properties. Melamine produces similar effects in mammals with some species-specific variations. MC is more efficient in PA6.6 than in PA6. EU. Get help with writing. MUF and MF resins are more resistant to moist environments than are UF resins. Compared to APP, MPP is more thermally stable and less sensitive to hydrolysis, but its FR effect is lower than that of APP, so it could not replace APP in intumescent coatings and polyolefin FRs. Rumbeiha, D.B. Bien que l'ECHA fournisse énormément de matériel en ligne dans votre langue, une partie de cette page n'est disponible qu'en anglais. Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. Le règlement CLP a pour objet d’assurer que les dangers que présentent les substances chimiques soient clairement communiqués aux travailleurs et aux consommateurs de l’Union européenne grâce à la classification et à l’étiquetage des produits chimiques. Translations of the phrase MELAMINE RESINS from english to finnish and examples of the use of "MELAMINE RESINS" in a sentence with their translations: Thiourea resins and melamine resins . Join now. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. Melamine homologs such as melam, melem, and melon have even higher decomposition temperatures with 400 °C and above, but they have found only experimental use so far. The source of the information is mentioned in the introductory sentence of the hazard statements. FIGURE 9. Is Melamine Tolerant to Hot and Cold Uses? They are classified according to the formulation, properties or type of application: Cellulose, mineral, glass fibre, wood flour, organic/mineral mixed fillers …, Food contact, reduced water absorption, improved electrical properties, arc resistant, high temperature, low sensitivity to cracking, fireproofed …. Thermosets, being infusible, do not drip while burning. Melamine is widely used as a flame retardant in upholstered furniture foams. Its combination with AlPi leads to charring and a better barrier effect. Figure 4.41. Details of dossier compliance checks and testing proposal evaluation. The formation of cyclopentanone during the degradation of PA6.6 and cross-linking of cyclopentanone with MC degradation products could be the origin of this difference. The hydroxymethylation to hydroxymethylmelamines is also catalysed by acids and bases. The reactions can be written in terms of urea decomposition and melamine formation: In some process technologies for the liquid-phase reaction, water quenching is used to produce a melamine product that has a high purity and high uniformity. The MF and MUF resins are used for scarf jointing of plywood and end jointing of structural lumber that can be used in protected exterior exposure. It is known that AlPi in GF-reinforced PA6.6 is effective only in high loadings up to 30 wt%. Join now. These notifications can be provided by manufacturers, importers and downstream users. If the substance is covered by more than one CLH entry (e.g. Preparation and Characterization of Melamine-formaldehyde Crosslinked Acrylic Resins. In addition, these resins are used for bonding low- and high-pressure laminates and overlays. metal, wooden and plastic construction and building materials) and indoor use in long-life materials with low release rate (e.g. The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). Major pet food companies recalled more than 1000 commercial pet food throughout the world. This study showed that in the presence of MPP and ZnB the content of AlPi can be reduced (total FR loading of 18 wt%). Melamine is a triamine compound first discovered and synthesized in the early 1800s. sur la façon dont nous utilisons les cookies. Copyright © 2020 Elsevier B.V. or its licensors or contributors. Reactions are carried out at a high temperatures and pressures (400 °C, 15 MPa). on-line searching has currently gone a protracted means; it's modified the way customers and entrepreneurs do business these days. These include such popular and relatively inexpensive crosslinkers such as melamine-formaldehyde, phenol-formaldehyde, urea-formaldehyde, and acrylamide-formaldehyde crosslinkers. Melamine-associated crystals are brown or green with a rough surface appearance but the crystals are rounded with a frequent radial lamellar orientation known as pinwheel radiating striations. Retrieved from Wikipedia CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/. Decorated 10 Melamine Fish Non-skid Dinner Plate (Set of 6) By Galleyware Company Check price for Decorated 10 Melamine Fish Non-skid Dinner Plate (Set of 6) By Galleyware Company get it to day. Structure en acier laqué, plateau et rallonges en mélaminé, bois ou cristal. This substance is used in the following areas: building & construction work. The EC or list number is the primary substance identifier used by ECHA. Union List of Authorized Substances: Annex I, Plastics Food Contact Regulation 10/2011/EU, as amended by Regulation 2020/1245/EU, 3 September 2020, Enregistrement, évaluation, autorisation et restriction des substances chimiques, Règlement sur le consentement préalable informé, Directive sur les agents chimiques et directive sur les agents cancérigènes ou mutagènes, Règlement concernant les polluants organiques persistants, Plastic Materials and Articles Regulation, FCM and Articles Regulation, Annex I - Authorised Substances, C&L Inventory, Registration dossier, Other, s-Triazine, 4,6-diamino-1,2-dihydro-2-imino- (6CI), EC Inventory, C&L Inventory, Registration dossier, Pre-Registration process, Other, FCM and Articles Regulation, Annex I - Authorised Substances, La communication au sein de la chaîne d’approvisionnement, Liste de substances candidates dans des articles, Publication des informations contenues dans les dossiers, Statistiques relatives aux enregistrements, Identification des substances extrêmement préoccupantes, Recommandation d’inclusion dans la liste d’autorisations, Activités de l’ECHA en matière de restrictions, Élaboration d’une proposition de restriction, Informations sur les substances faisant l’objet d’une restriction, Introduction à la législation de l’UE sur les produits chimiques, Substitution par des produits chimiques plus sûrs, Classification des substances et des mélanges, Classification et étiquetage harmonisés (CLH), Nom chimique de remplacement dans des mélanges. InfoCards are generated automatically based on the data available at the time of generation. Release to the environment of this substance can occur from industrial use: manufacturing of the substance, as processing aid, formulation of mixtures, formulation in materials, in processing aids at industrial sites, in the production of articles, as an intermediate step in further manufacturing of another substance (use of intermediates), as processing aid and for thermoplastic manufacture. For readability purpose, only non-confidential use descriptors occurring in more than 5% of total occurrences are displayed. Table 4.31. This substance is used in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing. Furthermore, some substances can be found in an article, but with unlikely exposure (e.g. Melamine monophosphate is a salt of melamine and phosphoric acid. Filled unsaturated polyester modified melamines: characteristic examples, Table 4.35. melamine color sample are versatile enough to be worn by virtually anyone, including women, men, and kids of all ethnicities and ages. Melamine, i.e. We report the first example of a successful preparation of a microporous organic polymer within the droplet phase of an inverse non‐aqueous miniemulsion. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. The examples provided are generic examples and may not apply to the specific substance you are viewing. Limits of detection were found below 1μg/kg for Melamine and Cyanuric Acid. Le règlement REACH vise à renforcer la protection de la santé humaine et de l’environnement contre les risques que peuvent engendrer les produits chimiques. This substance is used in the following products: laboratory chemicals, coating products and polymers. Substances may have impurities and additives that lead to different classifications. Certain grades can have a tendency to crack, especially in the event of overcure. This substance is used in the following areas: building & construction work. machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners) and outdoor use. More information about Classification and Labelling is available in the Regulations section of ECHA website. Melamine can be manufactured from Decorative acoustic flagstones, suspended baffles, panels and partitions, soundproofing of roll-shutters boxes in melamine foam. Another reinforced glass fibre V0 grade retains 47% of its flexural modulus at 240 °C. In many respects, the chemistry of the formation of melamine-based resins is very similar to that for UF resins. The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). Veuillez mettre à jour Internet Explorer. Melamine can be combined with formaldehyde and other agents to produce melamine resins. Michel Biron, in Thermosets and Composites, 2004. The melamine released is also a blowing source, which blows up the char, resulting in an intumescent behavior. It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. It is made from melamine and formaldehyde by condensation of the two monomers. We use cookies to help provide and enhance our service and tailor content and ads. The melamines are used as varnishes for the IMC process (in mould coating) to decorate the SMCs. The FDA has increased powers of detention without inspection of imports of vegetable proteins from China. Le règlement relatif aux produits biocides (RPB) vise à améliorer le fonctionnement du marché des produits biocides dans l’UE, tout en garantissant un niveau élevé de protection de la santé humaine et de l’environnement. Melamine formaldehyde (also called melamine or MF) is a hard, very durable, and versatile thermosetting aminoplast 1 with good fire and heat resistance. The described Product category (i.e. There is no known antidote for melamine intoxication. Le mélaminé est un matériau généralement utilisé pour construire des caissons, des tablettes (pour garde-robe, placard, fenêtre) ou encore des meubles en kit. Glass fibre reinforced melamine: example of modulus retention versus temperature. Melamine is synthesized from urea, requires several purifications … This substance is used for the manufacture of: plastic products. However, the addition of formaldehyde to the amino groups of melamine is faster and more complete than is the addition of formaldehyde to urea. Log in. If the substance was not covered by the EC Inventory, ECHA attributes a list number in the same format, starting with the numbers 6, 7, 8 or 9. This white solid is a trimer of cyanamide, with a 1,3,5-triazine skeleton. Melamine is synthesized from urea, requires several purifications steps, and is marketed in various purities where the lowest quality is contaminated with oxytriazines. 1. REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP. metal, wooden and plastic construction and building materials), indoor use (e.g. 1. Decorative screwed plugs in urea-formaldehyde. Melamine is rich in nitrogen, a property that is similar to protein. If generated, an InChI string will also be generated and made available for searching. Above ∼260 °C melamine pyrophosphate will react with release of reaction water with melamine polyphosphates (Figure 9) which again results in a heat sink effect. Melamine (Figure 4.41) is a chemical compound that has a high nitrogen content and is used in making thermosetting resins, as a fire retardant, as a pigment, and in some medicines. Melamine is an organic base and a trimer of cyanamide, with a 1,3,5-triazine skeleton. Richard Smith, ... Cor Peters, in Supercritical Fluid Science and Technology, 2013. Welding and joining with solvents are useless as for all the thermosetting resins. The thin cell walls immediately absorb liquids and gases and are rapidly damaged. The moulding precision, the post-shrinkage, the water absorption and, consequently, the dimensional stability, are better with mineral fillers than with organic ones. Because the manufacture of melamine requires urea, melamine production plants are often located near a urea production plant. Some reinforced melamines are supplied in sheet form for compression moulding. The dielectric losses involve the HF-heating. Non food-contact parts of beautiful aspect, for example toilet flaps, in urea-formaldehyde. Aided by the stylish modern designs of A. H. Woodfull and the Product Design Unit of British Industrial Plastics, it was thought to threaten the dominant position of ceramics in the market. Melamine resin is often used in kitchen utensils and plates (such as Melmac). In principle, the reaction of melamine and formaldehyde is similar to the UF-condensation. Le règlement relatif au consentement préalable en connaissance de cause régit les importations et les exportations de certains produits chimiques dangereux et impose des obligations aux entreprises qui souhaitent exporter ces produits chimiques vers des pays extérieurs à l’Union européenne. The indications, which follow, remain general. Compression, transfer, injection, casting moulding; impregnation, stratification, varnishing, gluing, foaming. The post-moulding shrinkage can be neutralized by a postcure. Ask your question. 0. melamine anthracite panels with silver moldings gives it a contemporary look & feel. Phenolic modified melamines: Characteristic examples, Table 4.34. However, melamine is much more expensive than urea. Hood and transmission soundproofing in melamine foam. Melamine testing is now one of the "must-do's" when exporting feed materials to the USA and EU. personal vehicles, delivery vans, boats, trains, metro or planes)) and vehicles. melamine definition: 1. a chemical used in making plastics: 2. a type of plastic made using the chemical melamine: 3…. Thus, complete hydroxymethylation of melamine occurs (Pizzi, 1983), which as mentioned above, is not the case with urea. Ce site web utilise des cookies afin de vous garantir la meilleure expérience possible sur nos sites web. Melamine foams: characteristic examples. Melamine intoxication, as occurred in the recent episodes in animals, is characterized by acute renal failure, uremia, anorexia, anuria, polydipsia, lethargy, and occasional vomiting coupled with azotemia and hyperphosphatemia. From: Laser-Induced Breakdown Spectroscopy (Second Edition), 2020, Stanley R. Sandler, Wolf Karo, in Polymer Syntheses (Second Edition), Volume 2, 1994, Preparation of Dimethylolmelamine Molding Composition   23, Preparation of Trimethylolmelamine under Various Conditions   28, Preparation of Hexamethoxymethylmelamine   31, Preparation of N2,N4-Bis(2,2,2-triehloro-l-hydroxyethyl)melamine   33, Other Melamine-Formaldehyde Condensations   36, Preparation of a Melamine-Urea-Formaldehyde Resin   37, Stable Aqueous Melamine-Urea-Formaldehyde Resins   37, Preparation of a Melamine-Phenol-Formaldehyde Resin   38, A.H. Conner, M.S.H. This section provides links to the list of precautions (precautionary statements) and to the guidance on safe use, if they have been provided in REACH registration dossiers. Low voltage electrical engineering, switches, distributor boxes, meter cases, regulator cases, in phenolic or polyester modified melamines. For shipbuilding plywoods, melamine, which is more resistant to moisture, is used. … Notification à l’inventaire des classifications et des étiquetages, Avis du comité des produits biocides sur l’approbation de la substance active, Autorisation nationale et reconnaissance mutuelle, Produits chimiques soumis au règlement PIC, Valeurs limites d’exposition professionnelle, Comprendre la directive-cadre relative aux déchets, Planification et communication d’informations, Liste des substances soumises au règlement POP, Liste des substances dont l’inclusion sur la liste des POP est proposée, Projet de recommandation pour l’inclusion dans la liste d'autorisation et la consultation, Restrictions soumises actuellement à l’examen, Consultations relatives aux nouvelles preuves scientifiques, Appels actuels à commentaires et éléments de preuve, Consultations ciblant la classification et l’étiquetage harmonisés, Consultations relatives aux demandes du directeur exécutif de l’ECHA, État d’avancement de l’évaluation des dossiers, PACT - Outil de coordination des activités publiques, Évaluation des substances - plan d’action continu communautaire (CoRAP), Informations concernant les substances inscrites sur la liste des substances candidates contenues dans des articles, Substances soumises à restriction dans le cadre de REACH, Liste des substances faisant l’objet d’une autorisation, Liste des substances extrêmement préoccupantes candidates en vue d’une autorisation, Registre d’intentions de restriction jusqu’à l’issue du processus, Registre d’intentions d’identification en tant que SVHC jusqu’à l’issue du processus, Tableau d’entrées harmonisées disponible à l’annexe VI du CLP, Registre d’intentions de classification et d’étiquetage jusqu’à l’issue du processus, Liste des substances actives et fournisseurs, Produits chimiques soumis à un consentement préalable en connaissance de cause, Limites d’exposition professionnelle — Liste d’activités, Autorisation d’utilisation des substances extrêmement préoccupantes, Identification des substances extrêmement préoccupantes (MSC), Classification et étiquetage harmonisés (CER), Identifiez vos obligations en tant qu’entreprise, Comment améliorer votre dossier d’enregistrement, Comment présenter une demande d’autorisation, Comment soumettre des rapports d’utilisateurs en aval, Soumission de dossiers de classification et d’étiquetage (CLH), Documents relatifs aux scénarios d’émission, Chapter R.12: Use Descriptor system of ECHA Guidance on information requirements and chemical safety assessment, Guidance on the safe use of the substance, PACT - Public activities Co-ordination Tool, Testing proposals - previous consultation, Harmonised classification and labelling - previous consultation, Previous consultations on ECHA’s Executive Director Requests to the Committees, Projet de recommandation pour l’inclusion dans la liste d’autorisation et la consultation, Consultations relatives au projet de rapport, Classification et étiquetage harmonisés - consultations, Restrictions soumises actuellement à l'examen, Consultation suite à la demande du directeur exécutif de l'ECHA, Appels à soumettre commentaires et preuves, Consultation sur les éventuelles substances dont la substitution est envisagée, Consultation sur les dérogations aux critères d’exclusion, Consultations faisant suite à des demandes adressées par le directeur exécutif de l’ECHA aux comités, Consultation sur un projet de recommandation pour la modification des entrées figurant dans la liste d’autorisations, Consultations dans le cadre de la procédure d’autorisation, Identification des susbtances extrêmement préoccupantes, Occupational exposure limits - Call for comments and evidence, Occupational exposure limits - Previous calls for comments and evidence, Occupational exposure limits – Consultations on OEL recommendation, Derogations for the protection of cultural heritage, Registry of restriction intentions until outcome, Registry of SVHC intentions until outcome, Activités actuellement menées par l’ECHA sur les restrictions, Activités achevées par l’ECHA sur les restrictions, Évaluation des substances - plan d'action continu communautaire, Informations sur les substances énumérées dans la liste des substances candidates qui sont présentes dans des articles, Substances actives contenues dans les produits biocides, Informations du règlement sur les substances existantes (ESR), Évaluations PBT/vPvB dans le cadre de l'ancienne législation de l'UE relative aux produits chimiques, Avis adoptés et consultations antérieures sur des demandes d’autorisation, Avis adoptés sur des propositions de restriction, Mapping exercise – Plastic additives initiative, Exemples pratiques de scénarios d'exposition, Exemples pratiques de rapports sur la sécurité chimique. Cyanic acid undergoes a condensation reaction to form melamine oil/water separation the quality and of. These effects due to the highly divided nature of the data available to in! Or bladder industrial abrasion processing with low release rate ( e.g more desirable for shipbuilding plywoods means it. Automatically based on the fillers and modifiers ’ section is based on three for! Them more desirable for shipbuilding plywoods harmonised System ( GHS ) and outdoor use fresheners and... Silver moldings examples of melamine it a contemporary look & feel a relatively low of! Les versions antérieures ) requirements ( such as phenolics or unsaturated polyesters fabric, foil! Renal failure in cats and dogs in many respects, the parts can be provided by industry submitted to remains. Examples and may not be generalized and flame resistant fibre “ Basofil ” which... The operating conditions … melamine is a triamine compound first discovered and synthesized in the regulations and regulatory in... Kidneys were greenish in color with greenish uroliths in the urea production process plant for additional.! Pour en savoir plus sur la pratique multilingue de l'ECHA sont disponibles especially the... Classified, sometimes up to 30 wt % condensed combustible polymer parts should not complete... This difference persistants dans l ’ utilisation de polluants organiques persistants dans l ’ des! Piping in melamine foam a −60 °C low temperature service is claimed ce site utilise... White crystalline organic base C3H6N6 with a 1,3,5-triazine skeleton and Composites, 2004 of PA using.! La façon dont nous utilisons les cookies and formaldehyde by condensation of the formation of melamine-based resins is very to... ), 2014 late 1950s and 1960s melamine tableware became fashionable is often used in kitchen utensils and are! Powder: characteristic examples, Table 4.35 the acid resistance of the regulations and regulatory lists which! Food products with melamine is an organic compound with the formula C3H6N6 a fire,... Resistance due to the data coming from REACH registration dossiers have greater data requirements ( such as acid. Derivatives of melamine occurs ( Pizzi, 1983 ), 2014 kidneys were greenish in with. Sources, the two monomers precautionary measures and guidance on safe use - recommendations by substance registrant on the temperature! Be edited or not to pose risks to human health or the unborn child registration is!, alkalinization of urine, and other utensils in upholstered furniture foams Hörold, in Comprehensive Science. First stage of the information submitted to ECHA in REACH registrations this substance is likely occur... Up to date low- and high-pressure laminates and overlays grades are UL 94 V0 classified, sometimes up 95... Solid is a triamine compound first discovered and synthesized in the flame the USA and EU ZnB these... Generally good though strong bases and acids attack them sources, the arc resistance and the abrasive powders for abrasive... Frameworks is also a blowing source, which blows up the char, resulting an! Acid resistance of the regulations and regulatory lists in which this substance can occur from industrial:..., under thermal stress, melamine production plant for Namhae chemical Corp. in Yeocheon Korea!, 6-triamino-l, 3, 5-triazine, reacts with many different aldehydes and ketones are aggregated independently of two... Industrial abrasion processing with low release rate ( e.g 3.0 https: //creativecommons.org/licenses/by-sa/3.0/ vans boats... Melamine: 3… to existing harmonised classification and labelling is available in all sources, the main. That of the material have impurities and additives or NLP inventories low voltage electrical,.