About |
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VECTOR 4461 Styrene-Butadiene-Styrene (SBS) Block Copolymer SBS(1) triblock copolymer. Contains <1% diblock copolymer. High styrene, high melt flow block copolymer. Supplied as a porous pellet, dusted with talc. VECTOR styrenic block copolymers find use under certain regulations as articles or as ingredients in articles intended for food contact or medical applications. Please contact your Dexco Polymers agent for a detailed letter of certification or further information. VECTOR 4461 linear, pure SBS block copolymer is produced via proprietary sequential anionic polymerization technology from Dexco Polymers LP, a Dow/ExxonMobil Venture. It is formulated with the antioxidant TNPP (tris(nonylphenyl) phosphite). It has the lowest elasticity of the SBS family of products while providing high modulus, low creep resistance, excellent cohesive strength, and good melt processability. It is particularly suited for hot melt adhesives requiring high strength and low viscosity.&& |
Product Description | |
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Generic | SBS |
Material Status | Commercial: Active |
Features | Good Rigidity,Excellent Processability,Good flexibility,High liquidity,Low Viscosity,Porous,Food contact compliance |
Availabilitys | North America |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 0.958 | g/cm³ | ASTM D792 |
Melt Flow Rate | |||
200℃,5.0kg | 2.3 | g/10min | ASTM D1238 |
Solution viscosity | 850 | mPa·s | ASTM D2196 |
styrene content | 43.0 | wt% | Internal Method |
Ash Content | 0.5 | % | ASTM D1415 |
MECHANICAL | Nominal value | Unit | Test method |
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Shore hardness | |||
Shore A, 1 second | 87 | ASTM D2240 |
elastic body | Nominal value | Unit | Test method |
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tensile strength | |||
Yield, 25 ℃ | 31.0 | MPa | ASTM D412 |
300% strain, 25 ℃ | 8.27 | MPa | ASTM D412 |
Tensile strain | |||
Fracture, 25 ℃ | 700 | % | ASTM D412 |
Supplementary information | Nominal value | Unit | Test method |
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Diblock Content | wt% | Internal Method | |
volatility | 0.4 | wt% | Internal Method |
Notes |
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