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Polyfill® 302

CASE Ingredients Features
High Loading Capacity
Chemical Name
Alumina Trihydrate (ATH)
Chemical Family
Aluminum Compounds

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.

Properties

Physical Form
Powder

Identification

CASE Ingredients Functions
Flame Retardant

Other characteristics

Brand
Polyfill
Functions
Flame Retardant, Smoke Suppressant
Compatible Polymers & Resins
Epoxies (EP), Polyvinyl Chloride (PVC)
Note
*Performed on HunterLab UltraScan Pro unit.
Markets
  • Adhesives & Sealants
  • Building & Construction
  • Consumer Goods
  • Electrical & Electronics
  • Industrial
Technology
  • CASE Ingredients
  • Composite Materials
  • Elastomers
  • Industrial Additives & Materials
  • Plastics
Composites End Use
  • Cables
  • Carpet Backing
  • Floors
  • Wire
Material Features
  • Good Flow
  • Good Surface Finish
  • High Surface Area
  • Odorless
Chemical Inventories
  • AICS (Australia)
  • DSL (Canada)
  • ENCS (Japan)
  • IECSC (China)
  • INSQ (Mexico)
  • ISHL (Japan)
  • JSCI Compliant (Japan)
  • KECI (Korea)
Certifications and Compliance
  • ISO 9001
  • REACH (Europe)
Compatible Polymers and Resins
  • Epoxies (EP)
  • Polyvinyl Chloride (PVC)
Industrial Additives End Use
  • Carpet
  • Ceramics
Composite Materials Functions
  • Flame Retardant
  • Smoke Suppressant
Composites Processing Methods
  • Pultrusion
  • Resin Transfer Molding (RTM)
  • Spray Lay-up
Industrial Additives Functions
Flame Retardant

Technical data

Table 1 of 2

9 rows
CharacteristicValueUnit
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—

Table 2 of 2

6 rows
CharacteristicValue
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

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