C 540

Calprene® 540

Calprene® 540 is a 60/40 Butadiene/Styrene thermoplastic copolymer, polymerized in solution and having a linear structure.

Benefits

  • Clear color
  • Non staining antioxidant system
  • FDA approved
  • Excellent optical properties
  • Gel free

Physical Form: Available in pellets and powder

Characteristics

Property Unit Value
Toluene solution viscosity @ 25% Pa-s 0.6
Melt flow index @ 190°C, 5kg g/10' 5
Volatile Matter % max 0.4
Yellowness index --- 3
Total styrene % 40
Hardness ºShore A 90
Abrasion mm3 100
Insolubles in toluene 325 mesh % <0.1
Ashes % <0.35

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