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Aluminum Hydroxide (CAS NO : 21645-51-2)

Aluminum Hydroxide (Aluminium Trihydrate) is a Non-toxic, halogen-free, eco-friendly flame retardant additive and functional filler with excellent smoke suppression properties. (Hydroxide, Aluminum) decomposes endothermically, releasing water vapor and reducing combustion heat in polymer formulations. Also referred to as ATH and Aluminum hydroxide by supplier and manufacturer, it is used in cable insulation, roofing membranes, and cast polymers. Al(OH)3 is also scientifically known as Dried aluminium hydroxide. Supplied as technical grade powder for industrial B2B applications in polymer compounding, cable insulation, and coatings. We are the leading, trusted Aluminium Trihydrate supplier worldwide and in the United States, with reliable lead times and global supply capability.

Aluminum Hydroxide

Aluminum Hydroxide (Aluminium Trihydrate) is a Non-toxic, halogen-free, eco-friendly flame retardant additive and functional filler with excellent smoke suppression properties. (Hydroxide, Aluminum) decomposes endothermically, releasing water vapor and reducing combustion heat in polymer formulations. Also referred to as ATH and Aluminum hydroxide by supplier and manufacturer, it is used in cable insulation, roofing membranes, and cast polymers. Al(OH)3 is also scientifically known as Dried aluminium hydroxide. Supplied as technical grade powder for industrial B2B applications in polymer compounding, cable insulation, and coatings. We are the leading, trusted Aluminium Trihydrate supplier worldwide and in the United States, with reliable lead times and global supply capability.

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Industrial Chemicals

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Inorganic Chemicals

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Flame Retardant

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Chemical Properties & Specifications

Applications of Aluminum Hydroxide

Flame Retardant & Smoke Suppressant

Universal peferrence in plastics, rubber, wire & cable insulation, textiles

Acts by releasing water vapor and forming a protective alumina layer, reducing smoke and slowing combustion.

Used in PVC, polyethylene, and Thermoplastics as a halogen-free flame retardant.

Used in epoxy resins, potting compounds, and encapsulation materials for insulation and fire resistance

Filler in Polymers & Composites

Enhances mechanical strength, thermal stability, and reduces cost

Industrial Usage

Used in paints, coatings, adhesives, sealants, cable insulation, wire sheathing, molded plastics, and coatings

Electrical Industry

Improves transparency, strength, and heat resistance

Paper Industry

Used as a filler and coating pigment to improve brightness and printability

Water treatment

Used in water treatment as a coagulant precursor (alum production)

Pharmaceutical & Healthcare

High-purity grades used as antacids and as an excipient

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