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SIS 1128

Styrene Isoprene Styrene block copolymer | SIS rubber polymer 1128 - BEC Materials Styrene Isoprene Styrene block copolymer | SIS rubber polymer 1128 - BEC Materials
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DESCRIPTION

Thermoplastic elastomer SIS (styrene isoprene styrene block copolymer) rubber polymer 1128 is polystyrene-polyisoprene-polystyrene triblock copolymer with low melt viscosity, low coating temperature, and good inital tack and cutting performance. The styrene content of SIS rubber is 15%, and diblock content is 38%.

APPLICATION

Adhesives /Asphalt modification /Plastic modification

CHEMICAL PROPERTIES

  • Structure

    L

  • Molecular Structure Diagram

  • Styrene Content  (%)

    15 

  • Diblock Content  (%)

    38 

  • Solution Viscosity（25℃,25%）  (≤mPa.s)

    ≤1100 

  • MFI  (g/10min)

    20 

  • Shore A  (/)

    26-34 

  • Tensile Strength  (Mpa)

    ≥7.9 

  • Elongation  (%)

    ≥1300 

FORMULA

  • HMPSA (Parts by mass)

  • SIS（YH1128）

    25 - 28

  • SEPS

    3 - 4

  • C5/C9 Copolymer Resin

    20 - 25

  • Rosin Glycerol

    25 - 30

  • White Mineral Oil

    18 - 20

  • Antioxidants

    0.5 - 1

ALTERNATIVE GRADES

                      Vector 4114
Europrene 9131

MANUFACTURE

Sinopec