| Product Name: | SKYPRENE
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| Generic Name: | Polychloroprene Rubber (CR)
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| Chemical Formula / Diagram: | 
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| Product Overview: | SKYPRENE polychloroprene rubbers are often specified by design engineers because of their superior properties, such as their resistance to cold, heat, abrasion, ozone, oil and chemicals.
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TYPICAL PROPERTIES/GRADES:
| GRADE | Type | Mooney Viscosity (ML1+4 at 100ºC) | Crystallization Rate | Main Applications |
| B-5 | Mercaptan modified
| 45~53 | Very slow | -Wire and cable jackets
-Automotive parts
-General industrial parts
-Sponge
-Construction materials for buildings and public works
|
B-10
| 47~55
|
B-30
| 45~53
| Medium |
B-31
| 36~44
|
E-20
| 43 | 45~53
| Very slow | -Extruded products (various hoses, window frames, etc.)
-Calendered products |
| E-33 | | 45~53
| Medium |
| Y-20E | | 45~53
|
| Y-30* | | 111~35 | -General industrial parts for high loading
-Adhesives |
| Y-31 | | 90~110 |
| Y-30H* | | 1,460~2,500cps*** | -Adhesives for high viscosity |
| R-10 | | 40~60 (at the time of production) | Very slow | -Belts
-Rolls
-Wet suits
-Thread rubber
-Linings |
| R-22 | | 35~55 (at the time of production) | Medium | |
| G-40S* | | 81~95** | Rapid | -MMA graft application
-Various adhesives for construction, automobiles, shoe-making, carpentry, tiles, etc. |
| G-40S-1* | | 81~95** |
| G-40T* | | 96~113** |
| G-41H* | | |
*Chips are thinner than other grades for easy solution
**ML1+2.5 (100ºC)
***10% toluene solution viscosity (Brookfield's viscometer, 23ºC)
SKYPRENE Family Relationship
