本品是以硫磺和二硫化二异丙基黄原酸酯为混合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。抗撕裂强度高，加工性能优于硫磺调节型胶。可用于制造胶管胶带、电缆护套及其他橡胶制品等。本品类似于美国杜邦公司GW型胶。
执行标准：GB/T15257-2008
项目 | 指标 | ||
门尼粘度 ML（1+4）100℃ | CR3221 | CR3222 | CR3223 |
25-40 | 41-60 | 61-80 | |
门尼焦烧，≥MSt5,min | 25 | ||
拉伸强度，≥MPa | 25 | ||
500%定伸应力，MPa | 2-5 | ||
扯断伸长率，≥% | 800 | ||
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-年，20~30℃以下，储存期为半年。
Polychloroprene Rubber CR322
Description：A 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.
Application：For making rubber products such as hoses,belts and cable sheath, etc.
Product Standard：GB/T15257-2008
Specification:
Item | Index | ||
Mooney Viscosity | 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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