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Polyester 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 Polyester 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



聚酯TDI

HC-5665

HC-5675

HC-5680

HC-5685

HC-5690

HC-5695

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(%)

2.4~2.6

3.0~3.5

3.6~4.2

4.0~4.5

4.5~4.8

5.0~5.8

使用配比(PHR)

6.9~7.5

8.6~9.5

9.0~10.0

11.0~12.0

13.5~14.5

15.0~16.0

釜中寿命

(75~78/min)

5~7

5~7

5~7

5~7

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)

28.7

33.5

42.3

45.5

48.8

52.6

撕裂强度(kN/m)

35.9

49.0

52.0

55.1

58.3

60.0

扯断伸长率(%)

498

474

451

440

410

337

阿克隆磨耗(cm3/1.61km)

0.05

0.03

0.03

0.02

0.02

0.02


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