Cel-Span® 897

Mixture of polycarbonic acids and carbonate. 40% active endothermic foaming agent concentrates recommended for extrusion applications for a variety of thermoplastic resins such as polyethylene, polypropylene, styrenics, MPPO and ABS. Recommended for extrusion, and structural foam molding of polyolefins, polystyrene, MPPO and ABS. Exhibits a very fine cell structure compare to a typical endothermic foaming agent in extrusion applications. Should be kept closed and stored in the original container, away from light, heat and high humidity environments.