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Chemical Foaming Agents (CFA)
Chemical Foaming Agents or CFA's are additives that release gas when decomposed imparting a cellular structure to the material. The CFA gas remains dissolved in the melt while the melt is under pressure and when the melt is injected into the mold, the pressure is reduced allowing the gas to expand the polymer. Phoenix's CFA's are used to reduce weight and prevent the formation of sink marks, while maintaining good surface aesthetics. Phoenix manufactures endothermic, exothermic & binary CFA's for olefins, styrene's, & engineered grade resins as well as CFA's manufactured specifically for structural foam molding, extrusion, & film.
- Cel-Span 200 - 50% exothermic for polyolefins
- Cel-Span 833 - 30% endothermic for Polystyrene
- Cel-Span 840 - 40% endothermic for Polyolefins
- Cel-Span 844 - 80% endothermic for Polyolefins
- Cel-Span 963K - 40% binary for Styrenics & Noryl
- Cel-Span 1000 - Endothermic, small cellular structure
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