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, 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.
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