Typical Properties： Fluorine Content 68.5% Specific Gravity 1.86 Physical form Slab Color Off-white Solubility Ketones and Esters Mooney Viscosity ML 1+10@ 121oC 50 Instruction： WF61FNC is a fluoroelastomer precompound which include copolymer of hexafluoropropylene and vinylidene fluoride, curatives.Calcium hydroxide is not required. So the problem caused by Calcium hydroxide such as dispersion and hygroscopy can be eliminated. It is designed for the bonding seal such as crank shaft seals and valve stem seals. Features of WF61FNC are: 1.Fast and safe cure. 2.Excellent hot tear resistance 3.Excellent bonding performance 4.Good mold flow Recommended Processing Procedures： WF61FNC can be compounded with internal mixers or two-roll mills with standard fillers and other ingredients that are used in typical fluoroelastomer formulations. All the dry ingredients should be blended before adding to the rubbery solid. During compounding, full cooling should be accompanied. After mixing, the compound should be cooled as quickly as possible. Packing information WF61FNC is package with PE film in carton. The weight is 20kg net per carton. Safety and handling： 1.Store in well ventilated place 2.Smoking is forbidden Strictly in working areas 3.Avoid eye contact 4.Wash thoroughly any contacted skin and clothing After handling. 5.Further safety and handing guide, can follow the products Material Safety Data Sheet.