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SIS 4019

SIS(Styrene Isoprene Rubbers) polymer 4019 -BEC Materials SIS(Styrene Isoprene Rubbers) polymer 4019 -BEC Materials
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DESCRIPTION

Thermoplastic elastomer SIS (styrene isoprene styrene block copolymer) rubber polymer 4019 is radiation type polystyrene-polyisoprene-polystyrene triblock copolymer with outstanding holding power, cutting performance and excellent heat-resistance for its structure. The styrene content of SIS rubber 4019 is 19%, and diblock content is 30%.

APPLICATION

Adhesives /Asphalt modification /Plastic modification

CHEMICAL PROPERTIES

  • Structure

    R

  • Molecular Structure Diagram

  • Styrene Content  (%)

    19 

  • Diblock Content  (%)

    30 

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

    － 

  • MFI  (g/10min)

    8-12  

  • Shore A  (/)

    42-48 

  • Tensile Strength  (Mpa)

    ≥7 

  • Elongation  (%)

    ≥1000 

FORMULA

  • HMPSA-Automotive (Parts by mass)

  • SIS（YH4019）

    35 - 45

  • Terpene Resins

    10 - 15

  • Petroleum Resin

    15 - 20

  • Naphthenic Oil

    10 - 15

  • Wax

    20 - 25

  • Antioxidants 1010

    0.5

  • Masterbatch

    5

  • Coupling WD-70

    2

ALTERNATIVE GRADES

                      Vector 4230
Zeon 3450

MANUFACTURE

Sinopec