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| Synonyms:MCA Cyanuric acid, compound with melamine (1:1) Melamine isocyanurate Molecular Formula:C6H9N9O3 Molecular Weight: 255.2 HS Code: 2933699099 | |||||||||
37640-57-6
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37640-57-6
Test Item | Standard Value | Test Result |
Melamine Cyanurate, % | ≥99.5 | 99.61 |
Residual Cyanuric Acid, % | ≤0.2 | 0.010 |
Residual Melamine, % | ≤0.1 | 0.005 |
pH Value | 5.5-7.5 | 6.47 |
Supernatant Height | >85ml | 91 |
Bulk Density, g/cm³ | 0.3-0.4 | 0.34 |
Average Particle Size, μm | <4 | 0.94 |
Water Solubility, g/100ml water | <0.002 | 0.001 |
1. Halogen-Free Flame Retardant For Polyamides: Melamine cyanurate (MCA, CAS 37640-57-6) is a nitrogen-based halogen-free flame retardant widely used in PA6 and PA66 compounds, helping achieve UL94 V-0 ratings with low smoke density and good electrical insulation in connectors, switches and electronic housings.
2. For Engineering Plastics & Thermoplastic Polyurethane: MCA provides effective flame retardancy in PBT, PET and TPU formulations, supporting glass-fiber-reinforced and thin-wall injection-molded parts for automotive, electrical and consumer applications.
3. For Silicone Rubber & Elastomers: As a halogen-free additive for silicone rubber and elastomeric compounds, MCA improves flame retardancy and reduces smoke release while maintaining flexibility and processability in seals, gaskets and wire insulation.
4. For Lubricants & Friction Modifiers: MCA acts as a solid lubricant and friction modifier in greases, coatings and polymer sliding parts, reducing friction and wear while improving load-carrying performance in mechanical applications.
5. Thermal & Electrical Stability For Electronics: With high decomposition temperature, low acidity and excellent electrical properties, MCA supports flame-retardant and tracking-resistant performance in electrical and electronic components under demanding service conditions.
6. Consistent Quality For Global Industry: Supplied as high-purity white crystalline powder with fine particle size, consistent quality and flexible packaging, MCA gives polyamide, engineering plastic, rubber and lubricant manufacturers a dependable halogen-free flame-retardant and lubricating additive.
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