BEC materials Free Sample! SIS(styrene isoprene styrene)1128,  SIS rubber 1128, SIS polymer 1128

DESCRIPTION 
Thermoplastic elastomer SIS(styrene isoprene styrene) 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 
Adhesive /Asphalt modification /Plastic modification 

CHEMICAL PROPERTIES 
Structure: L 
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 
Kraton 1163P 
Europrene 9131 

MANUFACTURE 
Sinopec

About US

BEC Materials  is a leading global technology service company in thermoplastic elastomers(TPE) and hydrogenated hydrocarbon resins headquartered in Nanjing, China.  

We have been proudly serving over 4000 global partners including Kraiburg, Henkel, Bostik, H.B. Fuller etc for the adhesive/compounding/asphalt modification and many other industries for the past two decades, with annual sales surging to USD $200,000,000 and 60,000 metric tons.   

Our technical-focused service team provides one-stop integrated solutions from grade identification, formula design, manufacturing assistance, and quality assurance.  Targeting customers' specific requirement, our research lab provides customized product with highest quality and most competing price.   

We hope to be your reliable partner in the future.