Model number | D3123R | D3128R | D3136R | D3143R | D3128N | D3136N |
NCO content/% | 2.3±0.2 | 2.8±0.2 | 3.6±0.2 | 4.3±0.2 | 2.8±0.2 | 3.6±0.2 |
State of matter at 20ºC | Colorless/slightly yellow transparent liquid | Colorless/slightly yellow transparent liquid | Colorless/slightly yellow transparent liquid | Colorless/slightly yellow transparent liquid | Colorless/slightly yellow transparent liquid | Colorless/slightly yellow transparent liquid |
E-300 100g prepolymer dosage/g | 5.3 | 6.5 | 8.5 | 10 | 6.5 | 8.5 |
Mixing temperature/ºC (prepolymer/E-300) | 80/30-50 | 80/30-50 | 80/30-50 | 80/30-50 | 80/30-50 | 80/30-50 |
Gel time/min | 6 | 5 | 4 | 3 | 5 | 4 |
After curing time (100ºC) /h | 16 | 16 | 16 | 16 | 16 | 16 |
Hardness (Shore A) | 67±2 | 75±2 | 85±2 | 90±2 | 78±2 | 85±2 |
100% fixed elongation stress/MPa | 2.1 | 3.2 | 4.1 | 6.3 | 3.4 | 4.3 |
300% fixed elongation stress/MPa | 5.1 | 7.3 | 9.1 | 13 | 7.8 | 9.5 |
Tensile strength/MPa | 29 | 38 | 41 | 52 | 37 | 42 |
Elongation at break /% | 730 | 600 | 560 | 520 | 580 | 540 |
Tear strength (right angle)/(KN/m) | 55 | 72 | 75 | 90 | 68 | 73 |
Rebound /% | 39 | 34 | 30 | 32 | 26 | 25 |
Density (25 C)/(g/cm3) | 1.24 | 1.25 | 1.26 | 1.27 | 1.28 | 1.28 |