Solprene® 4301

Solprene® 4301 is a linear block copolymer of styrene and butadiene, having 33% of styrene content, most of it forming a polystyrene block, which gives the polymer a thermoplastic behavior.


Easy handling and dissolution
Non staining antioxidant system
FDA Approved
High purity
Gel free
Clear color

Physical Form: Available in pellets and powder


Property Unit Value
Toluene solution viscosity @ 5.23% / 25°C cSt 12.8
Volatile matter % max 0.75
Total styrene % 33
Block Styrene % min 31
Melt Flow Index g/10' <1.0
Tensile Strength MPa 18.3
Elongation % 775

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