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      CR232型氯丁橡胶

             本品是以二硫化二异丙基两原酸酯或十二碳硫醇为调节剂的氯丁二烯聚合物   ,结晶速度中等 ,密度1.23 ,乳白色或米黄色块状物。具有较好的耐热性和高温稳定性。分为通用型和粘接型  ,通用型可用于制造各类浅色橡胶制品,如密封件、防尘罩、胶辊、衬里 、水坝及胶管外层护套等橡胶制品和杂件。粘接型可与CR244混用   ,调节开放时间  。本品类似于美国杜邦公司W型,日本电化公司M-40氯丁橡胶。

      执行标准 :Q/CHJT.J03.03.04-2022

      通用型 

      项目

      指标

      门尼粘度

      ML(1+4)100

      CR2321

      CR2322

      CR2323

      CR2324

      35-45

      46-55

      90-110

      111-130

      门尼焦烧 ,≥MSt5,min

      11

      11

      拉伸强度,≥MPa

      12

      12

      500%定伸应力  ,MPa

      2-7

      5-10

      扯断伸长率,≥%

      750

      550

      挥发份 ,≤%

      1.5

      1.5

      粘接型

      项目

      指标

       

      10%甲苯溶液黏度mPa.s

      CR 2323A

      500-1500

      CR 2324A

      1501-2500

      CR 2325A

      2501-5000

      挥发分质量分数   ,%         ≤

      1.2

      包装  :牛皮纸聚丙烯复合袋,净重25kg/袋     。

      储存  :自生产之日起    ,20℃以下,储存期为一年 ,20-30℃以下 ,储存期为半年 。

      Polychloroprene Rubber CR232

      Description:A xanthogen or dodecyl mercaptan modified polychloroprene rubber with medium crystallization rate.The density is 1.23.It has good heat resistance and high temperature stability. Applied i-n both industrial and adhesive purposes, It is similar to Deka’s M-40 and Du Pont's neoprene W.

      Application  :Industrial purposes for making light-coloured rubber products , such as seals,dust covers,rubber rollers,liners,rubber dams and hose outer sheath,etc;Adhesive purposes for mixing with CR244 to adjust the open time.

      Product Standard:Q/CHJT.J03.03.04-2022

      Specification of industrial application:

      Item

      Index

      Mooney Viscosity
      ML(1+4)100℃ 

      CR2321

      CR2322

      CR2323

      CR2324

      35-45

      45-55

      90-110

      111-130

      Mooney   Scorch(MSt5, min)

      11

      11

      Tensile   strength  ,MPa

      12

      12

      Modulus   at 500%, MPa

      2-7

      5-10

      Elongationat   break    ,%

      750

      550

      Volatile   matter,%

      1.5

      1.5

      Appearance

      milk white chips

       

      Specification of adhesive application  :

      Item

      Index

       

      Viscosity   in 10% toluene solution     ,mpa.s

      CR 2323A

      500-1500

      CR 2324A

      1501-2500

      CR 2325A

      2501-5000

      Volatile  ,%

      1.2

      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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