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CR322型氯丁橡膠

       本品是以硫磺和二硫化二異丙基黃原酸酯為混合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??顾毫褟姸雀?,加工性能優于硫磺調節型膠??捎糜谥圃炷z管膠帶、電纜護套及其他橡膠制品等。本品類似于美國杜邦公司GW型膠。

執行標準:GB/T15257-2008

項目

指標

門尼粘度

ML(1+4)100

CR3221

CR3222

CR3223

25-40

41-60

61-80

門尼焦燒,≥MSt5,min

25

拉伸強度,≥MPa

25

500%定伸應力,MPa

2-5

扯斷伸長率,≥%

800

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-年,20~30℃以下,儲存期為半年。

 


 

Polychloroprene Rubber CR322

DescriptionA sulfur and xanthogen mixed-modified polychloroprene rubber with low to medium crystallization rate.The density is 1.23.It has high tear strength, and has better processibility over sulfur-modified grade.It is similar to Du Pont’s neoprene GW.

ApplicationFor making rubber products such as hoses,belts and cable sheath, etc.

Product StandardGB/T15257-2008

Specification:

Item

Index

Mooney Viscosity
  ML(1+4)100℃

CR3221

CR3222

CR3223

25-40

41-60

61-75

Mooney   Scorch(MSt5, min)

25

Tensile   strength,MPa

25

Modulus   at 500%, MPa

2-5

Elongationat   break,%

800

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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