Aluminum hydroxide
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Aluminum hydroxide flame retardant, not only has the function of non-toxic, good stability, does not produce toxic gases at high temperature, but also reduce the advantages of plastic burning smoke emission, and low-temperature endothermic dehydration, at about 235-350℃. The aluminum hydroxide flame retardant polyolefin can be used as building materials and interior decoration materials of the automobile, ship, etc.
It is widely used in artificial marble, wire and cable, resin, rubber, plastic and other environmentally friendly flame retardant.
The special aluminum hydroxide sintering production process, the low iron content of aluminum hydroxide, high whiteness, can be used to produce solid surface materials (artificial marble) polyester resin or acrylic resin with the filler, the basic raw material of toothpaste. Widely used in artificial marble, DuPont, rubber, plastic, resin crafts, etc.
Low iron content agate grade aluminum hydroxide, high whiteness, it is the good material to produce solid surface materials (artificial marble) with polyester resin filler, toothpaste, artificial agate raw materials etc. The artificial agate made from this kind of ATH will be in good brightness and smooth surface, good abrasion resistance, stain resistance, impact resistance, high structural strength, is good filler in ideal modern new building materials and technology.
This product is low sodium content in ferrosilicon powder, can improve the optical properties of glass, reduce the swelling rate, whiteness, transparency, gloss, brightness enhancement of thermal shock resistance and chemical corrosion resistance can increase the glass.
Micron aluminum hydroxide property is to flame retardant self-extinguishing, thus adding advanced composite materials in the plastic and rubber products, it will not only have the function of flame retardant and smoke suppression effect but also anti-leakage resistance, abrasion resistance enhancement.
Product Characteristic Index
Physical and chemical indicators
Product grade
Chemical composition % Oil absorption rate
ml/100gAttached water
%Whiteness
%Median particle size
D₅₀ μmAI(OH)₃
≥SiO₂
≤Fe₂0₃
≤Na₂o
≤Na₂O(s)
≤≤ ≤ ≥ H-WF-8 99.6 0 1 0.02 0.3 0.03 33 0.4 96 8±2 H-WF-10 99.6 0 1 0.02 0.3 0.03 33 0.3 96 10±2 H-WF-14 99.6 0 1 0.02 0.3 0.03 30 0.3 95 14±3 H-WF-20SP 99.6 0.06 0.02 0.2 0.02 26 0.2 95 19±3 H-MF-9-LV 99.6 0.05 0.02 0.4 0.05 28 0.3 91 7-12 H-WF-10-LV 99.6 0.05 0.02 0.4 0.05 28 0.3 94 7-12 H-I-D 99.5 0.03 0.02 0.5 0.05 － 0.2 － － H-I-D-20 99.5 0.03 0.02 0.5 0.05 28 0.3 － 12-22
Primary Application Fields
1. Flame Retardant
Key Advantages: Endothermic decomposition absorbs heat, releases water vapor to dilute oxygen, and forms a protective alumina barrier—all without emitting toxic gases.
Applications:
Plastics & Rubber: Enhances flame resistance in polyethylene (PE), polypropylene (PP), etc., used in cables and construction materials.
Coatings: Micron-sized particles (1-9 μm) improve flame retardancy while maintaining high gloss.
2. Pharmaceuticals
Antacid: Neutralizes gastric acid to relieve heartburn, indigestion, and chronic gastritis, with higher safety than strong alkaline agents.
Example formulations: Compound Vitamin U Belladonna Aluminium Capsules, Aluminium Hydroxide Tablets.
Vaccine Adjuvant: Boosts immune response to antigens.
3. Water Purification
Coagulant: Forms colloidal aggregates that adsorb suspended solids, pigments, and heavy metals (e.g., lead, cadmium) for wastewater clarification.
Mechanism basis: Alum (KAl(SO₄)₂·12H₂O) relies on Al(OH)₃’s purification principles.
4. Industrial Raw Material
Paper Manufacturing: Filler improving brightness, smoothness, and printability.
Ceramics/Glass: Enhances thermal stability and transparency.
Chemical Industry: Intermediate for producing alumina, aluminium fluoride, and aluminium salts.
5. Other Applications
Food Additive Carrier: e.g., Carmine Aluminium Lake (for coloring candies and beverages).
Inks & Waterproof Textiles: Thickening agent and functional coating.Typical code: H-WF-14
SPECIFICATION
H-WF-14
AL(OH)3
99.6%min
SiO2
0.05%MAX
Fe2O3
0.02%MAX
NaO
0.30%MAX
Na2O(s)
0.30%MAX
Absorption of oil ml/100g
32
Whiteness
95%min
Particle size
D50
15±3
+325mesh
15%
Moisture
0.3%max
Packing
25KG/BAG.
24000kg/20GP，20pallet/20GP
Aluminum hydroxide
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