High Whiteness Nano ATH CAS 21645-51-2 is high-brightness nano aluminum hydroxide extender filler. It boasts high whiteness, fine particle size and great compatibility with acrylic resin. It can improve surface gloss, compactness, stain resistance and provide halogen-free flame retardancy, widely used in all kinds of acrylic resin products.

Product Detail

High Whiteness Nano ATH CAS 21645-51-2 Extender Filler for Acrylic Resin Products

Product Overview

High Whiteness Nano ATH (Nano Aluminum Hydroxide, CAS 21645-51-2) is a high-performance inorganic extender filler produced via high purification and nano ultrafine processing technology. It features excellent affinity with acrylic resin systems. Besides serving as cost-effective reinforcing filler, it optimizes surface gloss, structural compactness and stain resistance of acrylic products. Meanwhile, it provides inherent halogen-free flame retardancy and smoke suppression during combustion. It is an ideal multifunctional filler for cast acrylic, acrylic solid surface and acrylic coating materials.

Core Features

Superior High Whiteness: Stable high whiteness, low discoloration tendency, ideal for white, light color and translucent acrylic formulations.
Nano Uniform Particle Size: Good dispersion inside acrylic resin, effectively reduce surface defects and improve finish.
Multifunctional Performance: Acts as extender filler with additional flame retardant and smoke suppression functions.
Excellent Stain Resistance: Help form dense product surface and prevent penetration of oil, beverage and daily contaminants.
Good Resin Compatibility: Less bubbles during mixing and curing, stable curing reaction of acrylic resin.
Low Impurity Level: Minimal influence on color development, suitable for high-grade acrylic finished goods.

Product Specifications

Product Name: High Whiteness Nano ATH

CAS No: 21645-51-2

Chemical Name: Aluminum Hydroxide

Appearance: Bright white nano fine powder

Processing Technology: High purification, nano pulverization, precise classification

Core Function: Extender filler, reinforcing filler, halogen-free flame retardant, stain resistance additive

Applicable Systems: Cast acrylic resin, acrylic solid surface, acrylic coating, acrylic composite materials

Application Scope

This high whiteness nano ATH is specially developed for acrylic resin products. Widely used in acrylic solid surface countertops, acrylic decorative panels, acrylic handicrafts, acrylic casting parts, acrylic anticorrosion coatings and acrylic composite sheets. It can be flexibly adjusted in dosage according to gloss, hardness and flame retardant requirements of finished acrylic products.

Usage Guide

Mix evenly with acrylic resin, curing agent, pigment and other additives. Control stirring speed to reduce air entrainment. Optimize filling loading based on target viscosity, surface effect and physical indicators. Complete small batch trial production before formal mass production. Keep product sealed during storage to avoid moisture absorption affecting mixing performance.

Packaging & Storage

Packaging: 25kg plastic-lined woven bag, customized packaging is acceptable

Storage: Store in cool, dry and ventilated warehouse; maintain tight sealing to prevent moisture absorption

Shelf Life: 12 months under original sealed storage

Our Advantages

Our high whiteness nano ATH has narrow particle size distribution, stable whiteness and reliable batch consistency. Multiple particle size grades can be supplied to satisfy different acrylic product requirements. We offer professional formulation technical support for acrylic manufacturers. Direct factory supply guarantees sufficient inventory and timely delivery. Free samples can be provided for customer testing and evaluation.

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