Mainly used in the production of ordinary polyurethane elastomer products, such as various industrial components, rollers, rubber roller, rubber sheet, oil seal, buffer materials, plates and so on.
Suitable for manual and high-temperature casting machine operation, chain extender for the MOCA and so on.
Introduction of polyether TDI system
General-purpose products. Its products have the advantages of high mechanical strength, good wear resistance, good hydrolysis resistance, easy operation, low prices.
Product parameters
聚醚TDI型 |
HC-8665 |
HC-8675 |
HC-8680 |
HC-8685 |
HC-8690 |
HC-8695 |
|
预聚体 |
常温外观(25℃) |
粘稠液体 |
粘稠液体 |
粘稠液体 |
粘稠液体 |
粘稠液体 |
粘稠液体 |
NCO含量(%) |
2.8~3.0 |
3.6~4.0 |
4.2~4.5 |
4.8~5.5 |
5.5~6.0 |
6.0~6.8 |
|
使用配比(PHR) |
8.0~8.5 |
10.0~11.5 |
12.0~13.0 |
13.5~15.8 |
15.5~16.0 |
16.0~18.8 |
|
釜中寿命 (75~78℃/min) |
8~10 |
5~7 |
5~7 |
3~5 |
3~5 |
3~5 |
|
成品物性 |
硬度(邵A) |
60±5 |
75±2 |
80±2 |
85±2 |
90±2 |
95±2 |
拉伸强度(MPa) |
20.7 |
22.5 |
22.8 |
26.1 |
32.6 |
35.6 |
|
撕裂强度(kN/m) |
22.6 |
27.2 |
27.5 |
33.4 |
38.2 |
38.2 |
|
扯断伸长率(%) |
401 |
377 |
358 |
350 |
320 |
313 |
|
阿克隆磨耗(cm3/1.61km) |
0.05 |
0.05 |
0.05 |
0.05 |
0.03 |
0.03 |