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Polychloroprene Rubber CR 121

A sulfur-modified polychloroprene rubber with medium crystallization rate.Used in manufacture of rubber products such as cable shield,V-belt and synchronous belt.It is similar to Du Pont's neoprene type GNA and Denka'PM-40

Properties

Specification

A

B

C

Mooney viscosity 100 °C 1+4

CR1211

30-45

30-45

30-45

CR1212

46-60

46-60

46-60

Mooney scorch MSt5,min

30

25

20

Tensile strength,MPa

24

22

20

Modulus at 500%,Mpa

1-5

1-5

1-5

Elongation at break,%

900

850

800

Volatile matter,%

1.0

1.2

1.2

Ash content,%

1.0

1.2

1.2

Package: Woven polypropylene lined-kraft paper bags with a release polyethylene liner,25kg net Wt.

Storge life:One year below 20 °C and half a year below 30 °C from the date of production.

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