Mainly used in the production of polyurethane elastomer products with corresponding requirements, such as various industrial parts, rollers, rubber roller, rubber sheet, oil seal, buffer material, plate and so on.
Can be used for manual operation, more suitable for casting machine operation, chain extender for BDO and TMP.
Non-irritating smell, the product has good toughness and elasticity, wear resistance, water resistance excellent.
多元醇MDI型
HC-5265
HC-5285
HC-5295
HC-6265
HC-6285
HC-6295
预聚体
常温外观(25℃)
蜡状固体
蜡状固体
蜡状固体
蜡状固体
蜡状固体
蜡状固体
NCO含量(%)
5.5~6.5
6.6~7.2
7.5~8.5
5.0~6.0
6.0~6.8
7.2~8.0
使用配比(PHR)
5.6~6.6
6.7~7.3
7.6~8.6
5.1~6.1
6.1~6.9
7.3~8.1
釜中寿命
(75~78℃/min)
8~10
5~7
5~7
8~10
5~7
5~7
成品物性
硬度(邵A)
60±5
85±5
95±5
60±5
85±5
95±5
拉伸强度(MPa)
51.3
55.3
57.2
41.7
45.5
52.8
撕裂强度(kN/m)
78.4
135.0
135.7
70.6
123.2
127.5
扯断伸长率(%)
516
520
498
461
577
558
阿克隆磨耗(cm3/1.61km)
0.08
0.05
0.03
0.08
0.05
0.03