30/31 series products: Xuchuan Chemical provides high-quality and diverse thermoplastic polyurethane elastomer raw materials for high-end injection molding and other industries. They have the characteristics of high transparency, high anti yellowing performance, and good adhesion with PC, and can be widely used in high-quality mobile phone cases, transparent shoe accessories and other industries.
Characteristic：Good transparency, fast molding, suitable processing temperature, and excellent mechanical properties
Application：Injection molding, transparent shoe accessories, mobile phone covers, encapsulation, blending modification, industrial products
Characteristic | Test method | Test Unit | 3165P1 | 3170P1 | 3175P1 | 3180P1 | 3185 | 3190 | 3090 | 3190U | 3095 | 3195U |
Hardness | ASTM D2240 | Shore A | 66±2 | 72±2 | 76±2 | 82±2 | 86±2 | 92±2 | 92±2 | 93±2 | 97±2 | 97±2 |
Density | ASTM D792 | g/cm3 | 1.19 | 1.19 | 1.19 | 1.20 | 1.21 | 1.21 | 1.22 | 1.21 | 1.23 | 1.22 |
Tensile strength | ASTM D412 | MPa | 12 | 14 | 22 | 25 | 35 | 35 | 30 | 30 | 38 | 35 |
Elongation at break | ASTM D412 | % | 1300 | 900 | 800 | 700 | 600 | 550 | 550 | 550 | 400 | 500 |
100% modulus | ASTM D412 | MPa | 2.2 | 2.9 | 3.1 | 4.2 | 6 | 9 | 8.5 | 9.5 | 13 | 12.5 |
Tear strength | ASTM D624 | kN/m | 65 | 68 | 82 | 95 | 110 | 125 | 110 | 130 | 140 | 150 |
Friction loss | ASTM D5963 | mm3 | ≤ 110 | ≤ 100 | ≤ 100 | ≤ 100 | ≤ 90 | ≤ 80 | ≤ 80 | ≤ 70 | ≤ 70 | |
Suggested processing temperature | ℃ | 170±10 | 180±10 | 190±10 | 190±10 | 200±10 | 205±10 | 205±10 | 205±10 | 205±10 | 205±10 |
