Polyether / TDI hom prepolymer
Cov khoom muaj kev hnav zoo, dej tsis kam, pwm ua haujlwm, zoo heev txhua yam khoom, thiab xim tuaj yeem muab ntxiv los kho xim.Nws yog siv los ua cov khoom siv polyurethane xws li roj hmab nplaum, roj hmab log, phaj, roj hmab txheej thiab lwm yam.
| Qauv | D1140 | D1145 | D1155 | D1160 | D1180 | D1185 |
| NCO/% | 4.0 ± 0.2 | 4.5 ± 0.2 | 5.5 ± 0.2 | 6.0 ± 0.2 | 8.0 ± 0.2 | 8.5 ± 0.2 |
| Lub xeev ntawm 20 ℃ | Colorless pob tshab kua | |||||
| MOCA100g Prepolymer / g | 11.5 | 13.0 Nws | 16.0 Nws | 17.5 Nws | 23 | 24.0 Nws |
| Viscosity (85 ℃) / mPa · s | 340 | 300 | 250 | 250 | 450 | 400 |
| Sib tov kub / ℃ (Prepolymer / MOCA) | 80/120 | 80/120 | 80/120 | 80/120 | 75/110 ib | 75/110 ib |
| Lub sijhawm gel / min | 10 | 9.5 ib | 9 | 6 | 2 | 2 |
| Tom qab vulcanization lub sij hawm (100 ℃) / h | 10 | 10 | 10 | 10 | 10 | 10 |
| Hardness (Shore A) | 78 ± 2 | 82 ± 2 | 88 ± 1 | 92 ± 1 |
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| Hardness (Shore D) |
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| 70 ± 1 | 78 ± 1 |
| 100% Modulus / MPa | 4.6 | 5.0 | 5.5 | 6.2 | 23.2 | 32.5 ib |
| 300% Modulus / MPa | 8.2 | 9.2 ib | 13.0 Nws | 20.8 ib | - | - |
| Tensile zog / MPa | 27 | 28 | 32 | 35 | 39 | 42 |
| Elongation /% | 550 | 480 | 400 | 350 | 230 | 180 |
| Tear zog / (KN / m) | 46 | 55 | 76 | 78 | 123 | 145 |
| Rov qab /% | 28 | 24 | 24 | 33 | 40 | 51 |
| Qhov ceev (24 ℃) / （g / cm3） | 1.11 | 1.12 | 1.14 | 1.14 | 1.18 | 1.18 |
| Din hnav /mm³ | 148 | 112 | 109 | 141 | 131 | 89 |
| Qauv | D1230 | D1235 | D1240 | D1245 | D1250 | D1262 | D1265 | D1270 |
| NCO/% | 3.0 ± 0.1 | 3.5 ± 0.1 | 4.0 ± 0.1 | 4.5 ± 0.2 | 5.0 ± 0.2 | 6.2 ± 0.2 | 6.5 ± 0.2 | 7.0 ± 0.2 |
| Lub xeev ntawm 20 ℃ | Colorless pob tshab kua | |||||||
| MOCA 100g Prepolymer / g | 8.6 | 10.3 | 11.5 | 13 | 14.5 ib | 18 | 19 | 20.5 ib |
| Viscosity (85 ℃) / mPa · s | 200 | 250 | 350 | 400 | 450 | 240 | 300 | 400 |
| Sib tov kub / ℃ (Prepolymer / MOCA) | 85/120 ib | 85/120 ib | 80/120 | 80/120 | 80/120 | 75/120 ib | 75/120 ib | 75/120 ib |
| Lub sijhawm gel / min | 9 | 5 | 4.5 | 4 | 3.5 | 3 | 2.5 | 2 |
| Tom qab vulcanization lub sij hawm (100 ℃) / h | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Hardness (Shore A) | 70 ± 2 | 78 ± 2 | 84 ± 2 | 86 ± 2 | 90 ± 1 | 94 ± 1 | 97 ± 1 (53D) | 60D ± 1 |
| 100% Modulus / MPa | 2.1 | 4.2 | 5.4 | 5.9 | 8.9 ib | 9.2 ib | 15.2 | 15.8 ib |
| 300% Modulus / MPa | 3.0 | 6.3 | 10.0 | 10.3 | 14.6 ib | 16.8 ib | 24.6 ib | 23 |
| Tensile zog / MPa | 7 | 10 | 19 | 21 | 31 | 32 | 35 | 33 |
| Elongation /% | 600 | 550 | 500 | 480 | 460 | 450 | 440 | 420 |
| Tear zog / (KN / m) | 34 | 44 | 53 | 57 | 73 | 78 | 95 | 120 |
| Rov qab /% | 50 | 48 | 41 | 31 | 30 | 31 | 41 | 43 |
| Qhov ceev (24 ℃) / （g / cm3） | 1.08 Nws | 1.09 Nws | 1.11 | 1.13 | 1.14 | 1.15 | 1.16 | 1.17 |
| Din hnav /mm³ | 163 | 159 | 116 | 157 | 135 | 117 | 143 | 135.6 ib |
