chloroprene rubber Neoprene Polychloroprene Rubber
Polychloroprene Rubber CR244
A Xanthogen-modified polychloroprene rubber with fast crystallization rate,high cohesion force and adhesion strength at normal temperature,Used mainly for production of adhesives.
Chloroprene Rubber:
Appearance: faint yellow platy
CAS NO.: 9010-98-4
Molecular formula: (C4H5Cl)n
Molecular weight : 88.5365
Specification:
Properties | Specification | |
Viscosity in 5% toluene solution,mPa.s | CR2441 | 25-34 |
CR2442 | 35-53 | |
CR2443 | 54-75 | |
CR2444 | 76-115 | |
CR244 high A | 116-150 | |
CR244 high B | 150 above | |
Viscosity in 15% toluene solution,mPa.s | CR2441 | 1000-2000 |
CR2442 | 2001-3000 | |
CR2443 | 3001-5000 | |
CR2444 | 5001-7000 | |
CR244 high A | 7001-9000 | |
CR244 high B | 9001-10000 | |
Peel strength,N/cm | 90min. | |
Volatile matter,% | 1.5max | |
Ash content,% | 1.5max. |
Package: Woven polypropylene lined-kraft paper bags with a release polyethylene liner,25kg net wt.
Storage life: One year below 25℃ from the date of production.
Application :
A sulfur-modified polychloroprene rubber with medium erystallization rate.
Used in manufacture of rubber products and shoes .
It is similar to Du Ponts neoprene type GNA and DenkaPM-40.
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