本品是以硫磺为调节剂的氯丁二烯聚合物，结晶速度中偏低，密度1.23，米黄色或浅棕色块状物。具有较好的抗撕裂，抗曲挠性。可用于制造各类橡胶制品如输送带、多锲带、V带及同步带和矿缆护套等。本品类似于美国杜邦公司GNA型,日本电化公司PM-40型氯丁橡胶。
执行标准：GB/T14647-2008
项目 | 指标 | ||
门尼粘度ML ML(1＋4)100℃ | CR1211 | CR1212 | CR1213 |
20-40 | 41-60 | 61-75 | |
门尼焦烧，≥MSts min | 30 | ||
拉伸强度，≥MPa | 24 | ||
500%定伸应力，MPa | 2-5 | ||
扯断伸长率，≥% | 900 | ||
挥发份，≤% | 1.5 | ||
灰分，≤% | 1.5 | ||
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℃，储存期为半年。
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 | CR1211 | CR1212 | CR1213 |
20-40 | 41-60 | 61-75 | |
Mooney Scorch（MSt5, 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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