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Aluminum hydroxide, with the chemical formula Al(OH)3, is a hydroxide of aluminum. It is a kind of alkali because it shows a certain degree of acidity, it can also be called aluminate H3AlO3, but the actual reaction with alkali is meta aluminate, HAlO2·H2O. Molecular formula Al(OH)3, Al2O3·3H2O or H3AlO3. Molecular weight 78. Relative density 2.42, Mohs hardness 3.0. It has the characteristics of non-toxic, odorless, good dispersibility, high whiteness, and low iron content referred to as ATH. ATH is dehydrated by heat Decomposition, the heat absorption is 1967.2J/KJ, which can effectively inhibit the heating and thermal degradation of the polymer. The large amount of water vapor released by the thermal decomposition of aluminum hydroxide dilutes the combustible gas and inhibits the spread of combustion. At the same time, the high-temperature resistant Al2O3 produced forms a dense protective layer on the surface of the polymer to block the air and prevent the flame from further spreading. High-temperature resistant Al2O3 can promote the carbonization of polymers, absorb solid particles, and inhibit the production of dense smoke.
| Model | H-WF-10, H-WF-25, H-WF-90 |
|---|---|
| Moisture | ≤0.3 |
| Al(OH) | ≥99.7 |
| SiO2 | ≤0.03 |
| Fe2O3 | ≤0.01 |
| Na2O | ≤0.3 |
| D50(um) | 9-12, 23-28, 80-150 |
| Whiteness | ≥97, ≥97, ≥94 |
| Molecular weight | 78 |
| Mohs strength | 3 |
| Density | 2.42g/cm³ |
| Refractive index | 1.57 |
| Crystalline | Monoclinic system |
| Exterior | White powder |
High-white filler aluminum hydroxide series products are environmentally friendly inorganic flame-retardant fillers produced by a pure sintering process. They have the characteristics of high whiteness, uniform particle size distribution, and good fluidity. They are praised as Chinese white by European and American markets. High-white filler aluminum hydroxide is a white powder, easily soluble in strong alkali and strong acid solutions, and decomposes into alumina at 200 degrees, and releases water. It is non-toxic, tasteless, has good dispersibility, has high whiteness, and has low iron content.
package:
Plastic woven bag with inner plastic film, net weight of each bag is 25kg, 40kg, 50kg, or 1000 kg.
transport:
This product is a non-dangerous product. It should be protected from moisture, rain, and package damage during transportation.
use:
1. Used for flame retardant and filling of plastic, rubber, glass fiber reinforced plastic, and other products.
2. Used for filling artificial marble slabs.
3. Used for filling of SMCBMC and other molded products.
4. Used in electronic industries such as potting materials.
5。Used as a friction agent for medium and high gear toothpaste.
Items not listed can be produced by mutual agreement
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