Chloroprene Rubber CR244: bisulfide propyl xanthic acid as the extender??ith fast crystallization rate,density is 1.23,milk white or brown,non-pollution,high cohesion,it's the main material of viscous polychloroprene,widely used in adhibiting rubber leather fibre metal lignum.similar to DuPontps neoprene type AD-20 and A-90 in Japan. specification: 1.color and form:milk wihte or brown 2.mooney viscosity:35-55 3.Volatile Matter: ≤ 1.5% 4.Ash Content: ≤ 1.5% 5.Peel Strength: ≥ 75 N/cm 6.ADHESIVE STRENGTH N/CM :≥70(CANVAS/CANVAS)