东曹物性比较.docVIP

? Product name SKYPRENE? Generic name Polychloroprene rubber (CR) Chemical formula / Diagram Product Overview SKYPRENE? polychloroprene rubbers are often specified by design engineers because of their superior properties, such as their resistance to cold, hear, abrasion, ozone, oil and chemicals. Typical properties/Grades Grade Type Mooney viscosity(ML1+4 at 100°C) Crystallizationrate Main applications B-5 Mercaptanmodified 45~53 Very slow Wire and cable jackets, automotive parts, general industrial parts, sponge and construction materials for buildings and public works. B-10 47~55 B-30 45~53 Medium B-31 36~44 E-20 Mercaptanmodified 43~53 Very slow Extruded products (various hoses, windows frames, etc.), calendered products. E-33 43~53 Medium Y-20E 43~53 Y-30* 111~35 General industrial parts for high loading and adhesives Y-31 90~110 Y-30H* 1,460~2,500cps*** Adhesives for high viscosity. R-10 Sulfur modified 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* Mercaptanmodified 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 (100°C)***10% toluene solution viscosity (Brookfield viscometer, 23°C) Relationship of SKYPRENE? Family