Thermoplastic elastomers SIS block copolymer rubber polymer 4019

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SIS (styrene isoprene styrene) 4019,  SIS rubber 4019, SIS polymer 4019

 

DESCRIPTION

Thermoplastic elastomer SIS(styrene isoprene styrene) 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%.

SIS 1126

APPLICATION

Adhesive /Asphalt modification /Plastic modification

SIS-4019+

CHEMICAL PROPERTIES

Structure: R

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

 

view more:

http://www.becmaterials.com/products/37-sis_rubber_4019

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