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
Material characteristics General-purpose products, the use of the widest range. Its products have the advantages of high mechanical strength, good wear resistance, oil resistance, solvent resistance, good heat resistance.
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 |
|
About Yoe
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Cast polyurethane prepolymer seriesCasting polyurethane series of materials Special properties of polyurethane prepolymer series Special field of polyurethane prepolymer series Environmental adhesive seriesShin-finished products
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