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Polyfill® 405 Alumina Trihydrate is a specialized product meticulously designed for wire/cable-elastomers, coatings, and thermoset/plastic applications. Engineered with precision, it boasts a controlled particle size distribution and essential physical properties, empowering compounders to achieve elevated loading levels and superior overall performance. The enhanced surface area enables exceptional surface finish and impact characteristics, while meticulous particle distribution control allows for maximum loading levels.

Chemical Name: Alumina Trihydrate (ATH)

Chemical Family: Aluminum Compounds

Functions: Flame Retardant, Smoke Suppressant

Compatible Polymers & Resins: Epoxies (EP), Polyvinyl Chloride (PVC)

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions
Composite Materials Functions
Industrial Additives Functions
Plastics & Elastomers Functions

Features & Benefits

Applications & Uses

Compatible Polymers & Resins
Industrial Additives End Use
Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods

Properties

Physical Form
Typical Physical Properties
ValueUnitsTest Method / Conditions
Median Particle Size5.0Microns
Oil Absorption41.0mil/110g
Specific Gravity2.42
Bulk Density (Loose)0.41lb./ft³
Bulk Factor0.0495gal/lb
Free Moisture0.8%
Brightness (L*)97.0
Chemical Properties
ValueUnitsTest Method / Conditions
Aluminum Oxide Content (Al₂O₃)64.9
Silica Content (SiO₂)0.01
Ferric Oxide Content (Fe₂O₃)0.009
Soluble Soda (Na₂O)max. 00.050
Total Soda Contentmax. 0.300
Loss on Ignition (H₂O)34.6
Note

*Performed on HunterLab UltraScan Pro unit.

Regulatory & Compliance

Certifications & Compliance