本品是以二硫化二異丙基黃原酸酯或十二碳硫醇為調(diào)節(jié)劑的氯丁二烯和二氯丁二烯的共聚合物。密度1.23，乳白色或米黃色塊狀物。具有優(yōu)良的抗結(jié)晶性能。主要用于高寒地區(qū)防塵罩、路橋減振墊、密封條和其它制品等。本品類似于美國(guó)杜邦公司W(wǎng)RT型、日本電化公司S-40V型氯丁橡膠。
執(zhí)行標(biāo)準(zhǔn)：Q/CHJT.J03.03.05-2022
項(xiàng)目 | 指標(biāo) | |||
門尼粘度 ML（1+4）100℃ | DCR2131 | DCR2132 | DCR2133 | DCR2134 |
35-45 | 46-55 | 60-90 | 91-120 | |
門尼焦燒，≥MSt5,min | 14 | 11 | ||
拉伸強(qiáng)度，≥MPa | 12 | 12 | ||
500%定伸應(yīng)力，MPa | 2-7 | 5-10 | ||
扯斷伸長(zhǎng)率，≥% | 700 | 550 | ||
揮發(fā)份，≤% | 1.5 | 1.5 | ||
包裝：牛皮紙聚丙烯復(fù)合袋，凈重25kg/袋。
儲(chǔ)存：自生產(chǎn)之日起，20℃以下，儲(chǔ)存期為一年，20~30℃以下，儲(chǔ)存期為半年
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.
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