Cel-Span® 963K is a 40% binary blend which combines the best properties of our endothermic chemical foaming agents and our unique family of accelerator additives to complement our azodicarbamide compounds in order to meet specific molding, extrusion and color requirements. The polystyrene carrier resin for Cel-Span® 963K makes it very compatible for polystyrene, ABS and MPPO applications.
Chemical Composition 50% Binary
Appearance (Visual) Natural slight yellow pellets
Decomposition Temperature 370 - 550 ºF
Gas Volume 70 - 85 cc/gm
Gas Evolved CO2, N2
Extrusion 0.5 - 1.75 %
Industries Supplied Injection
Resin Compatibility PS, Noryl
Structural Foam Molding 1.5 - 2.75 %
Nucleation of Direct Gassed Foam 0.3 - 0.75 %
Gas Counter Pressure Applications 1.0 - 3.0 %
Cel-Span® 963K is recommended for extrusion, injection molding, and structural foam molding of polystyrene, MPPO and ABS especially in thick molded sections. The low level of Cel-Span® 963K is designed for injection and extrusion application where uniformity and consistency are required.
Packaging & Storage
Cel-Span® 963K is packaged in 55 lbs plastic bags or 1100 lb Gaylord boxes. We recommend that this product be kept closed, in its original package and in a dry location.