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Help CenterAluminum Hydrxoide
Product Spotlights
UL94 V-0 flame retardant, low loading
60%+ lower smoke than halogen alternatives
99.5%+ purity, consistent batches
Custom surface treatment, no agglomeration
Full particle size range for all industries
High whiteness, cuts formulation cost
Stable supply, on-time bulk delivery
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1、Product Parameters
| Parameter Item | Standard English Term |
|---|---|
| Product Name | Aluminum Hydroxide (Alumina Trihydrate, ATH) |
| CAS No. | 21645-51-2 |
| Molecular Formula | Al(OH)₃ |
| Molecular Weight | 78.00 |
| Purity | ≥99.5% |
| Al₂O₃ Content | ≥64.5% |
| Appearance | White amorphous powder |
| Density | 2.4 g/cm³ |
| Decomposition Temperature | 180-220 °C |
| Particle Size (D50) | 1-50 μm (customizable) |
| Specific Surface Area | 5-640 m²/g (grade-dependent) |
| Oil Absorption | 35-40 ml/100g |
| Moisture Content | ≤0.25% |
| Ignition Loss | 34.5% ± 0.5% |
| Impurity Content (SiO₂) | ≤0.06% |
| Impurity Content (Fe₂O₃) | ≤0.03% |
| Impurity Content (Na₂O) | ≤0.04% |
| Surface Treatment Type | Stearic acid / Silicone oil / Silane coupling agent (optional) |
| Packaging Specification | 25kg/bag, 500kg/bag, 1000kg/bag (customizable) |
2、Application Fields
Polymer & Plastic Industry
Widely used as a halogen-free flame retardant and smoke suppressant in PP, PE, EVA, ABS, HIPS, PVC and other thermoplastics, to achieve UL94 V-0 rating while maintaining good material mechanical properties.Rubber Products
Applied in flame-retardant rubber hoses, conveyor belts, air duct fabrics and insulating rubber parts, improving the anti-tracking performance and fire safety level of rubber materials.Construction & Building Materials
Used in fire-retardant coatings, fiberglass reinforced plastics, thermal insulation materials, ceramic and glass products, to reduce fire spread risk and meet building fire protection standards.Electrical & Electronic Industry
Added to wire and cable sheaths, electrical insulating materials, electronic component packaging materials, providing low-smoke, non-toxic flame retardant performance for public power facilities.Other Scenarios
Served as an antacid raw material in pharmaceutical production, a filler for environmentally friendly paper, and a raw material for water treatment and other fine chemical fields.
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