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Polyfill® 302 Alumina Trihydrate is meticulously crafted for thermoset plastic and CASE applications necessitating heightened loading levels. This medium grind series enhances surface area, promoting improved flow and surface finish properties. By incorporating Polyfill® 302, you amplify flame retardancy and smoke suppression, bolstered by increased H2O molecule availability.

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

CASE Ingredients Features

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 Size12.0Microns
Particle Size (Retained on 325 Mesh)2.0%
Particle Size (Retained on 200 Mesh)0.1%
Oil Absorption33.0mil/110g
Specific Gravity2.42
Bulk Density (Loose)0.45lb./ft³
Bulk Factor0.0495gal/lb
Free Moisture0.5%
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