High White Aluminum Hydroxide
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High White Aluminum Hydroxide

High White Aluminum Hydroxide is a high-purity aluminum hydroxide (ATH) flame retardant filler manufactured through carefully selected raw materials and controlled processing technology to minimize coloring impurities such as iron (Fe) and titanium (Ti).

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Description

Technical Parameters

Product Introduction

Technical Parameters

Product Model	AH-01	AH-01DD	AH-01DG	AH-02F	AH-01DH	AH-01S	AH-101	AH-008
AL(OH)₃ (%)	≥99.7	≥99.7	≥99.7	≥99.7	≥99.7	≥99.7	≥99.7	≥99.7
SiO₂ (%)	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01
Fe₂O₃ (%)	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01	≤0.01
Na₂O (%)	≤0.25	≤0.25	≤0.20	≤0.20	≤0.20	≤0.25	≤0.20	≤0.25
L.O.I (%)	34.5	34.5	34.5	34.5	34.5	34.5	34.5	34.5
Free Alkali (%)	≤0.05	≤0.04	≤0.03	≤0.03	≤0.03	≤0.05	≤0.03	≤0.05
Attached Water (%)	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3
D50 Particle Size (μm)	1.15-1.40	1.55-1.75	1.70-1.90	1.70-1.90	1.50-1.65	1.15-1.25	1.15-1.25	0.90-1.10
Specific Surface Area (m²/g)	4.5-6.5	3.5-5.5	2.5-4.5	6.0-8.0	3.5-4.5	5.0-7.0	6.0-9.0	7.5-9.5
Whiteness (%)	≥97.5	≥97.5	≥97.5	≥97.5	≥97.5	≥97.5	≥97.5	≥97.5
Oil Absorption (ml/100g)	≤47	≤45	≤37	≤37	≤32	≤47	≤37	≤45
Conductivity (μs/cm)	≤150	≤100	≤80	≤60	≤60	≤150	≤150	≤150
325 Mesh Residue (%)	≤0.02	≤0.02	≤0.02	≤0.02	≤0.02	≤0.02	≤0.02	≤0.02

Core Features

Exceptional Whiteness and Color Stability
Controlled raw materials and low impurity levels provide whiteness ≥97.5%, supporting white and light-colored applications requiring stable appearance and reduced color variation.
High Chemical Purity
AL(OH)₃ content reaches ≥99.7%, while controlled levels of SiO₂, Fe₂O₃, and other impurities support stable flame retardant performance.
Halogen-Free Flame Retardant Performance
The product provides halogen-free flame retardant function through endothermic decomposition and water release, supporting low-smoke and environmentally preferred formulations.
Low Moisture Content
Attached water content ≤0.3% helps improve processing stability and reduce moisture-related issues during polymer compounding.

Grade Selection Guide

Different High White Aluminum Hydroxide grades are available to meet specific requirements for whiteness, dispersion, electrical performance, and processing behavior.

Fine particle grades provide improved filler dispersion and smoother surface appearance for applications requiring high uniformity.

High whiteness grades are suitable for white and light-colored products where appearance consistency and color stability are important.

High surface area grades improve filler interaction with polymer matrices and are suitable for formulations requiring enhanced powder-polymer compatibility.

Low conductivity grades are suitable for cable compounds and electrical insulation materials requiring stable electrical properties.

Grades with balanced particle size and oil absorption help manufacturers achieve a balance between flame retardant loading, processing efficiency, and final product appearance.

Grade selection should consider polymer type, processing conditions, flame retardant loading level, electrical requirements, and final product performance requirements.

Typical Applications

White and Light-Colored Cable Compounds
Used in flame-retardant cable materials requiring high whiteness, stable electrical performance, and long-term color consistency.
Electrical and Electronic Housings
Suitable for polymer housings and components requiring flame retardancy combined with stable appearance.
Flame-Retardant Polymer Compounds
Applied in PP, PE, EVA, and other polymer systems requiring halogen-free flame retardant performance and stable processing behavior.
Household Appliance Components
Used for white plastic components where appearance retention and flame safety are required.
Building and Construction Materials
Suitable for flame-retardant materials requiring environmentally preferred additive systems and stable processing behavior.

Quality Control & Material Testing Support

Quality Control & Material Testing Support
ZC-TECH applies professional material analysis and testing methods to monitor chemical composition, powder characteristics, and product consistency.
Chemical Composition Analysis
ICP-OES testing evaluates elemental composition and impurity levels to verify material consistency and coloring impurity control.
Particle Size Distribution Analysis
Laser particle size analysis monitors particle size distribution to support stable processing behavior between batches.
Whiteness Evaluation
Whiteness testing verifies appearance performance and supports consistent color quality between batches.
Powder Property Testing
Testing of specific surface area, oil absorption, conductivity, moisture content, and sieve residue supports grade evaluation and application matching.

Packaging & Logistics Support

ZC-TECH provides suitable packaging solutions to maintain High White Aluminum Hydroxide powder quality during storage, handling, and international transportation.

Moisture Protection
Packaging solutions help reduce moisture exposure and maintain stable powder performance during shipment.
Flexible Packaging Options
Packaging can be selected according to customer handling systems, storage conditions, and transportation requirements.
Secure Shipment Preparation
Palletized packaging and protective wrapping can be arranged when required to improve handling efficiency and shipment safety.
Order Support
ZC-TECH supports order execution through packaging confirmation, shipment coordination, and technical communication.

FAQ

Q: What makes High White Aluminum Hydroxide different from ordinary ATH?

A: High White Aluminum Hydroxide uses controlled raw materials and processing technology to reduce coloring impurities, providing higher whiteness, better color stability, and improved suitability for white and light-colored flame retardant applications.

Q: Why is whiteness important for aluminum hydroxide flame retardants?

A: Whiteness affects the appearance of final polymer products. Lower impurity levels help maintain stable color performance in white and light-colored applications.

Q: How does High White Aluminum Hydroxide support polymer processing?

A: Controlled moisture content, particle characteristics, and powder properties help manufacturers achieve more stable processing performance in polymer compounding.

Q: Can different particle size grades be supplied?

A: Yes. Different grades are available with controlled particle size distribution, specific surface area, conductivity, and oil absorption characteristics to meet different formulation requirements.

Q: Does High White Aluminum Hydroxide provide halogen-free flame retardant performance?

A: Yes. It provides flame retardant performance through endothermic decomposition and water release, supporting halogen-free and low-smoke formulations.

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