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.
SBS model :
Model | SBS1301 | SBS1401 | SBS4303 | SBS4402 |
Appearance | White solid | White solid | White solid | White solid |
S / B (mass ratio) | 30/70(28/72) | 40/60(35/65) | 30/70 | 40/60 |
Structure type | linear | linear | star | star |
Oil filling rate/% | 0 | 0 | 0 | 0 |
Tensile strength / MPa | 19.6-21.6 | 22.6-25.5 | 15.7-17.7 | 28.5-24.5 |
300% constant stress | 1.8-1.96 | 1.9-2.9 | ≥1.96 | ≥2.94 |
Tensile elongation /% | 600-750 | 600-700 | ≥600 | ≥550 |
Tensile permanent deformation/% | ≤40 | ≤65 | ≤45 | ≤65 |
Hardness (Shore A) | 55-80 | 65~90 | 65~84 | 80~95 |
Melt flow rate, g / 10 min | 1.2 | 2.3 | | 0.06 |
Application | Adhesives, asphalt modified | Adhesives, footwear, asphalt modification, plastic modification, sealant | Asphalt modified | Adhesives, footwear, plastic modification |
