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Appearance | White color, 50+_10um(D-50) | Application | Flame retardant/Smoke suppressor | CAS No. | 8064-00-4 |
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Place of Origin | South Korea | Purity | 99% |
Alumina Trihydrate
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Alumina Trihydrate (AI2O3?3H2O) is the most widely used flame retardant in the world due to its versatility and low cost. ?It can be used in a wide range of polymers at processing temperatures below 220°C. ?Alumina Trihydrate is non-toxic, halogen-free, chemically inert, and has low abrasiveness. Additional benefits are arc and track resistance in plastics exposed to electrical arcing, acid resistance, and smoke suppression. At about 220°C, ATH begins to decompose endothermically releasing approximately 35% of its weight as water vapor.
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AI2O3?3H2O +?HEAT?—–> AI2O3?+?3 H2O
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Alumina Trihydrate acts as heat sink thereby retarding pyrolysis and reducing the burning rate. The water vapor released has an added effect of diluting combustion gases and toxic fumes.
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