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CR121型氯丁橡膠

       本品是以硫磺為調節劑的氯丁二烯聚合物,結晶速度中偏低,密度1.23,米黃色或淺棕色塊狀物。具有較好的抗撕裂,抗曲撓性??捎糜谥圃旄黝愊鹉z制品如輸送帶、多鍥帶、V帶及同步帶和礦纜護套等。本品類似于美國杜邦公司GNA型,日本電化公司PM-40型氯丁橡膠。

 

執行標準:GB/T14647-2008

 

項目

指標

門尼粘度ML

ML(1+4)100℃

CR1211

CR1212

CR1213

20-40

41-60

61-75

門尼焦燒,≥MSts min

30

拉伸強度,≥MPa

24

500%定伸應力,MPa

2-5

扯斷伸長率,≥%

900

揮發份,≤%

1.5

灰分,≤%

1.5

 

包裝:牛皮紙聚丙烯復合袋,凈重25kg/袋。

儲存:自生產之日起,20℃以下,儲存期為一年,20-30℃,儲存期為半年。

Polychloroprene Rubber CR121

Description:A sulfur-modified polychloroprene rubber with low to medium crystallization rate.The density is 1.23. It has good resistance to tear and flexure. It is similar to Du Pont' s neoprene GNA and Denka's  PM-40.

Application:For making rubber products such as conveyor belts, ribbed belts belts,V belts, timing belts, mine cable sheath, etc.

Product Standard:GB/T14647-2008

Specification:

 

Item

Index

Mooney Viscosity
  ML(1+4)100℃

CR1211

CR1212

CR1213

20-40

41-60

61-75

Mooney   ScorchMSt5,   min

30

Tensile   strength,MPa

24

Modulus   at 500%,MPa

2-5

Elongationat   break,%

900

Volatile   matter,%

1.5

Ash   content,%

1.5

Appearance

 light   brown chips

 

Packing: Packed in compound bags of kraft and polypropylene, 25kg net each.

Shelf Life: One year below 20°C and half a year between 20~30°C

from the date of production.

 

 

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