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High hardness type
Finished use:

Mainly used in the production of high hardness of the polyurethane elastomer products, such as all kinds of wheels, machinery parts.

Instructions:

Can be used for hand, more suitable for casting machine operation, chain extender for the MOCA.


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Product Details
High hardness type product introduction

Material pre-polymer viscosity is low, easy to operate; after forming the material has a high hardness and resilience, good toughness, not brittle fracture. In special occasions can be replaced casting nylon high hardness materials.


Product parameters


高硬度型

HC-8375D

HC-6560D

HC-6575D

预聚体

常温外观(25)

粘稠液体

蜡状固体

蜡状固体

NCO含量(%)

8.0~9.0

8.0~9.0

9.0~10.0

使用配比(PHR)

23.0~26.0

23.0~26.0

26.0~29.0

釜中寿命

(75~78/min)

1~2

2~3

3~5

成品物性

硬度(D)

75±5

60±5

75±5

拉伸强度(MPa)

37.7

57.5

63.4

撕裂强度(kN/m)

87.9

187.1

197.2

扯断伸长率(%)

402

331

210

阿克隆磨耗(cm3/1.61km)

0.1

0.05

0.05


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