
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)劑的氯丁二烯聚合物,結(jié)晶速度快,密度1.23,乳白色或米黃色片狀物。分子結(jié)構(gòu)規(guī)整,內(nèi)聚力高,在常溫下有很高的粘接強度,是氯丁膠粘劑的主要基材。廣泛用于橡膠、皮革、纖維、金屬、木材、水泥制品等自粘或互粘。本品類似于日本電化公司A系列如A-90,美國杜邦公司AD系列如AD-20。
執(zhí)行標(biāo)準(zhǔn):Q/CHJT.J03.03.01-2022
項目 | 指標(biāo) | |
5%甲苯溶液粘度, mpa.s | CR2440 | 13-24 |
CR2441 | 25-34 | |
CR2442 | 35-53 | |
CR2443 | 54-75 | |
CR2444 | 76-115 | |
CR244A | 116-140 | |
CR244B | 140-400 | |
剝離強度,≥N/cm | 90 | |
揮發(fā)分,≤% | 1.2 |
包裝:牛皮紙聚丙烯復(fù)合袋,凈重25kg/袋。
儲存:自生產(chǎn)之日起,20℃以下,儲存期為一年,20-30℃,儲存期為半年。
Polychloroprene Rubber CR244
Description:A xanthogen or dodecyl mercaptan modified polychloroprene rubber with fast crystallization rate and bonding strengh at room temperature.The density is 1.23.It is similar to Deka’s A range such as A-90 and Du Pont' s Neoprene AD range such as AD-20.
Application:For making Chloroprene adhesives. The Chloroprene adhesives are used for bonding and self adhesion between rubber, leather, fiber, metal, wood and cement products,etc.
Product Standard:Q/CHJT.J03.03.01-2022
Specification:
Item | Index | |
Viscosity in 5% toluene solution,mpa·s | CR2440 | 13-24 |
CR2441 | 25-34 | |
CR2442 | 35-53 | |
CR2443 | 54-75 | |
CR2444 | 76-115 | |
CR244A | 116-140 | |
CR244B | 141-400 | |
Peel Strength,≥N/m | 90 | |
Volatile,≤% | 1.2 | |
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.