S-4302

Solprene® 4302

Solprene® 4302 is a linear block copolymer of styrene and butadiene, having 31% of styrene content, most of it forming a polystyrene block, which gives the polymer a thermoplastic behavior.

Benefits

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

Physical Form: Available in pellets and powder

Characteristics

Property Unit Value
Volatile matter % max 0.75
Total styrene % 31
Block polystyrene % min 29
Melt flow index g/10' 6
Hardness ºShore A 62
Toluene solution viscosity@ 25% / 25°C cps 890
Toluene solution viscosity @ 5.23% / 25°C cSt 7
Tensile strength MPa 17
Elongation % 1275
Tg ºC -89

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