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Aluminium Hydroxide

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Aluminium Hydroxide

Aluminium Hydroxide
A raw material in the production of Aluminium chemicals；A raw material in the manufacture of glass and glazes；A flame retardant additive in expoxy resin system；A flame retardant and smoke suppressant filler in plastics (for example: BMC/DMC/SMC and carpet backing)；A flame retardant and smoke suppressant filler in cable compound,rubber products；A polishing and cleansing agent；A filler of onyx and artificial marble surfaces.
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Product Description

Halogen-Free Flame Retardant

Aluminium Hydroxide / ATH

CAS No.: 21645-51-2
EINECS No.: 244-492-7
Al(OH)₃ Purity
≥ 99.6%
Whiteness (Wh)
≥ 98.0%
LOI (@1000°C)
34.5%
Particle D50
1.0-75 μm
     

Aluminium Hydroxide

Ultra-White & Fine Particle ATH Powder
Non-toxic | Zero-Halogen | High Oil Absorption Efficiency

         Performance Highlights

  • ✔            Flame Retardant & Smoke Suppressant: Absorbs massive heat when decomposing above 200°C, releasing non-corrosive water vapor to extinguish flames.
  • ✔            High Whiteness & Purity: Low iron and sodium content preserves original optical brilliance in polymers and artificial stone.
  • ✔            Optimized Dispersibility: Smooth particle size distribution allows maximum loading capacity in resins without compromising flowability.
Decomposition Reaction
2Al(OH)₃  — Heat (>200°C) →  Al₂O₃ + 3H₂O ↑
Technical Data Sheet (TDS)      Standard Specifications
PropertyUnitIndustrial GradeMicro-Fine Grade
Al(OH)₃ Purity%≥ 99.5%≥ 99.6%
SiO₂ Content%≤ 0.02%≤ 0.015%
Fe₂O₃ Content%≤ 0.02%≤ 0.01%
Na₂O Content%≤ 0.30%≤ 0.20%
Loss on Ignition (LOI)%34.5 ± 0.5%34.5 ± 0.5%
Whiteness (Wh)%≥ 93%≥ 96 - 98%

     Key Application Fields

Polymers & Plastics
Functional flame retardant for PVC, PE, PP, and epoxy resin matrices.
Solid Surfaces
Key filler for acrylic and polyester artificial marble, enhancing optical translucency.
Wire & Cable
Crucial element in Low-Smoke Zero-Halogen (LSZH) jacket compounds.
Chemical Synthesis
High-purity intermediate for PAC water treatment chemicals and catalyst bases.

Request ATH Grade Testing & Bulk Quotation

High-purity aluminium hydroxide supplied with full COA and MSDS compliance.

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