Polyfill® 302

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.

Brand: Polyfill (16 products)

Chemical Name: Alumina Trihydrate (ATH)

Chemical Family: Aluminum Compounds

Functions: Flame Retardant, Smoke Suppressant

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

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Chemical Family: Aluminum Compounds
Chemical Name: Alumina Trihydrate (ATH)
CASE Ingredients Functions: Flame Retardant
Composite Materials Functions: Flame Retardant,
Smoke Suppressant
Industrial Additives Functions: Flame Retardant
Plastics & Elastomers Functions: Flame Retardant,
Smoke Suppressant
Technologies: CASE Ingredients,
Composite Materials,
Elastomers,
Industrial Additives & Materials,
Plastics
Product Families: CASE Ingredients — Additives
Functional Additives
Composite Materials — Additives
Fire Retardants
Elastomers — Elastomer Additives
Flame Retardants
Plastics — Polymer Additives
Flame Retardants
Industrial Additives & Materials — Processing Aids
Glass & Ceramic Additives
Industrial Additives & Materials — Textile & Leather Chemicals
Finishing Additives & Treatments

Features & Benefits

CASE Ingredients Features: High Loading Capacity
Materials Features: Good Flow,
Good Surface Finish,
High Surface Area,
Odorless

Applications & Uses

Markets: Adhesives & Sealants,
Building & Construction,
Consumer Goods,
Electrical & Electronics,
Industrial
Applications: Adhesives & Sealants — Building & Construction
Sealants & Caulks
Building & Construction — Building Materials
Sealants & Caulks
Consumer Goods — Carpet & Upholstery
Industrial — Chemical & Industrial Manufacturing
Ceramics & Refractory
Building & Construction — Decorative Materials & Finishes
Carpet
Electrical & Electronics — Wire & Cable
Jacketing & Insulation
Compatible Polymers & Resins: Epoxies (EP),
Polyvinyl Chloride (PVC)
Composites End Use: Cables,
Carpet Backing,
Floors,
Wire
Industrial Additives End Use: Carpet,
Ceramics
Plastics & Elastomers End Uses: Cables,
Carpet Backing,
Flooring,
Wires
Composites Processing Methods: Pultrusion,
Resin Transfer Molding (RTM),
Spray Lay-up
Plastics & Elastomers Processing Methods: Extrusion,
Pultrusion,
Resin Transfer Molding,
Spray Lay-Up

Properties

Physical Form

Typical Physical Properties


	Value	Units	Test Method / Conditions
Median Particle Size	12.0	Microns	-
Particle Size (Retained on 325 Mesh)	2.0	%	-
Particle Size (Retained on 200 Mesh)	0.1	%	-
Oil Absorption	33.0	mil/110g	-
Specific Gravity	2.42	-	-
Bulk Density (Loose)	0.45	lb./ft³	-
Bulk Factor	0.0495	gal/lb	-
Free Moisture	0.5	%	-
Brightness (L*)	97.0	-	-

Chemical Properties


	Value	Units	Test 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 Content	max. 0.300	-	-
Loss on Ignition (H₂O)	34.6	-	-

Note

*Performed on HunterLab UltraScan Pro unit.

Regulatory & Compliance

Certifications & Compliance: ISO 9001,
REACH (Europe)
Chemical Inventories: AICS (Australia),
DSL (Canada),
ENCS (Japan),
IECSC (China),
INSQ (Mexico),
ISHL (Japan),
JSCI Compliant (Japan),
KECI (Korea),
MITI Listed (Japan),
NECI Listed (Taiwan),
NZIoC (New Zealand),
PICCS (Phillipines),
TCSI (Taiwan),
TSCA (USA)