本品是以二硫化二异丙基黄原酸酯或十二碳硫醇为调节剂的氯丁二烯和二氯丁二烯的共聚合物 。密度1.23 ，乳白色或米黄色块状物 。具有优良的抗结晶性能 。主要用于高寒地区防尘罩 、路桥减振垫 、密封条和其它制品等。本品类似于美国杜邦公司WRT型 、日本电化公司S-40V型氯丁橡胶 。
执行标准：Q/CHJT.J03.03.05-2022
项目 | 指标 | |||
门尼粘度 ML（1+4）100℃ | DCR2131 | DCR2132 | DCR2133 | DCR2134 |
35-45 | 46-55 | 60-90 | 91-120 | |
门尼焦烧 ，≥MSt5,min | 14 | 11 | ||
拉伸强度 ，≥MPa | 12 | 12 | ||
500%定伸应力 ，MPa | 2-7 | 5-10 | ||
扯断伸长率，≥% | 700 | 550 | ||
挥发份 ，≤% | 1.5 | 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℃以下 ，储存期为半年
Polychloroprene Rubber DCR213
Description：A xanthogen or dodecyl mercaptan modified copolymer of chloro-butadiene and dichloro-butadiene,with excellent anti-crystallization performance. The density is 1.23.It is similar to Du Pont’s Neoprene WRT and Denka’s S-40.
Application ：Mainly used for making dust covers,highway and bridge vibration cushions,seals and other products of low temperature application in alpine areas.
Product Standard：Q/CHJT.J03.03.05-2022
Specification:
Item | Index | |||
Mooney Viscosity | DCR2131 | DCR2132 | DCR2133 | DCR2134 |
30-45 | 46-55 | 60-90 | 91-120 | |
Mooney Scorch(MSt5, min) | 14 | 11 | ||
Tensile strength，≥MPa | 12 | 12 | ||
Modulus at 500% ，MPa | 2-7 | 5-10 | ||
Elongationat break，≥≥% | 700 | 550 | ||
Volatile matter，≤% | 1.5 | 1.5 | ||
Appearance | Milk white 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.
