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styrene - butadiene - styrene three segment copolymer, also known as thermoplastic styrene butadiene styrene block copolymer or thermoplastic, referred to as SBS..
SBS has excellent tensile strength, elasticity and electrical properties, permanent deformation is small, good flexion and rebound, the surface friction. But the SBS anti-aging is poor.
Model | SBS1301 | SBS1401 | SBS4303 | |
Appearance | White solid | White solid | White solid | |
S / B (mass ratio) | 30/70(28/72) | 40/60(35/65) | 30/70 | |
Structure type | linear | linear | star | |
Oil filling rate/% | 0 | 0 | 0 | |
Tensile strength / MPa | 19.6-21.6 | 22.6-25.5 | 15.7-17.7 | |
300% constant stress | 1.8-1.96 | 1.9-2.9 | ≥1.96 | |
Tensile elongation /% | 600-750 | 600-700 | ≥600 | |
Tensile permanent deformation/% | ≤40 | ≤65 | ≤45 | |
Hardness (Shore A) | 55-80 | 65~90 | 65~84 | |
Melt flow rate, g / 10 min | 1.2 | 2.3 |
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Application | Adhesives, asphalt modified | Adhesives, footwear, asphalt modification, plastic modification, sealant | Asphalt modified |
