本品是以二硫化二異丙基黃原酸酯或十二碳硫醇為調節劑的氯丁二烯聚合物，結晶速度快，密度1.23，乳白色或米黃色片狀物。分子結構規整，內聚力高，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。
執行標準：Q/CHJT.J03.03.01-2022
項目 | 指標 | |
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 | |
揮發分，≤% | 1.2 | |
包裝：牛皮紙聚丙烯復合袋，凈重25kg/袋。
儲存：自生產之日起，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.
