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Polyether type TDI system
Finished use:

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.

Instructions:

Suitable for manual and high-temperature casting machine operation, chain extender for the MOCA and so on.


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Product Details

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

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(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

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