Tufprene™ A

About
The basic grade in the broad range of styrene-butadiene block copolymers from Asahi Kasei. A styrenic thermoplastic elastomer with superior elasticity, styrenic resins compatibility, moldability, adhesive performance, and asphalt blend characteristics. It is supplied in pellet form. Applications: Styrenic resins modifier, imparting increased impact strength, for food containers. Also used as adhesives and sealants component, and as asphalt modifier for reduced temperature sensitivity and heightened cohesive and adhesive strength.&&

Product Description
SupplierAsahi Kasei
GenericSBS
Material StatusCommercial: Active
FeaturesExcellent Processability,High impact resistance,High elastic,Block Copolymer,Good bond
AvailabilitysAsia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density0.950g/cm³ISO 1183
Melt Flow Rate ISO 1133
190℃,2.16kg2.6g/10minISO 1133
200℃,5.0kg13g/10minISO 1133
Styrene/Butadiene40/60 Internal Method
viscosity
25% toluene solution, 23 ℃0.65Pa·sInternal Method

MECHANICALNominal valueUnitTest method
Shore hardness
Shore A, 23 ℃, 2.00 mm, molded85 ISO 7619

elastic bodyNominal valueUnitTest method
tensile strength
Yield, 23 ℃, 2 mm14.0MPaISO 37
300% strain, 23 ℃, 2 mm2.50MPaISO 37
Tensile strain
Fracture, 23 ℃, 2 mm1100%ISO 37

Notes
1. Typical properties: these are not to be construed as specifications.
2. Type 1A
3. Compression Molded
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