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聚合物,结晶速度快,密度1.23,乳白色或米黄色片状物。分子结构规整,内聚力高,在常温下有很高的粘接强度,是氯丁胶粘剂的主要基材。广泛用于橡胶、皮革、纤维、金属、木材、水泥制品等自粘或互粘。本品类似于日本电化公司A系列如A-90,美国杜邦公司AD系列如AD-20。
执行标准:Q/CHJT.J03.03.01-2022
项目 | 指标 | |
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 | |
剥离强度,≥N/cm | 90 | |
挥发分,≤% | 1.2 |
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 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.