Firestone Polymers



Styrene Butadiene Modifier for Plastics

Stereon™ 721AC is a low styrene block copolymer with a low solution viscosity. Providing excellent performance for impact enhancement of styrene based polymers. The low viscosity allows:
Click on a Stereon™ number to access that Technical Data Sheet.
OR Click on "MSDS" to access the matching file.
Stereon™ MSDS Type Bound Styrene % Vinyl ML/4 MOONEY Solution Viscosity,cP Melt Flow FR-200/5.0 Specific Gravity
721A MSDS Diblock 10.25 10 35 29 -- 0.91

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Stereon® butadiene-styrene SB and SBS block copolymers – for grafting and melt blending plastic applications, as well as for non-woven hot melt adhesives, bookbinding adhesives, and roofing and paving asphalts.

Diene™ solution-polymerized polybutadiene rubber grades – for a variety of applications, including plastics, tires, mechanical rubber goods, and golf balls.

Duradene® solution-polymerized styrene- butadiene rubber, (SBR) – for performance tire compounds and demanding extruded and molded rubber goods applications.