Cel-Span® 815

Mixture of polycarbonic acids and carbonate. 15% active endothermic foaming agent concentrate suitable for a variety of thermoplastic resins such as polyethylene, polypropylene-styrenics, MPPO and ABS. Recommended for injection molding to remove sink marks and take stress out of molded parts. Allows for a more uniform blending and control of the CO2 gas during injection molding. Should be kept closed and stored in the original container, away from light, heat and high humidity environments.