PTMG/TDI series

hardness:shore A 75A - shore D 60D The product has the characteristics of good operability, wide hardness range, good resilience, wear resistance and excellent mechanical properties. Used for making miscellaneous polyurethane elastomer products such as high elastic rubber wheel, screen plate, rubber roller, sealing ring.

   

D2135

D2142

D2150

D2162

D2170

D2196

NCO含量/%

3.5±0.1

4.2±0.2

5.0±0.2

6.2±0.2

7.0±0.2

9.65±0.2

20℃时的物态

白色固体

白色固体

白色固体

白色固体

白色固体

白色固体

MOCA100g预聚体用量/g

10

12.1

14.3

18

20.5

27

粘度(85℃)/mPa·s

1200

750

1200

480

320

350

混合温度/℃(预聚体/MOCA)

85/120

85/120

80/120

80/120

75/120

70/110

凝胶时间/min

11

10

8

6

4

2

后硫化时间(100℃) /h

10

10

10

10

10

10

硬    度(邵尔 A)

85±2

90±1

93±1

95±1

97±1

75±2

邵尔 D

100%定伸应力/MPa

5.4

7.5

9.1

12.8

18.5

32.6

300%定伸应力/MPa

9.6

14.1

17.2

36.3

42.6

-

拉伸强度/MPa

27

33

39

48

49

54

扯断伸长率/ %

550

500

440

350

320

220

撕裂强度(直角)/(KN/m)

65

78

88

95

111

160

撕裂强度(裤型)/(KN/m)

21

28

33

33

43

44

回    弹/ %

61

54

49

47

45

51

密度(25 C)/(g/cm3)

1.07

1.09

1.12

1.13

1.15

1.18

DIN磨耗/mm³

39

39

45

38

52

70

 

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