FKM Precompound

Typical properties      (Note: not for specification purpose)Gumstock propertiesGradeHF-A361CHF-F2462PHF-A401CHF-F2602APSolubilitysoluble in low molecular weight ketones, some esterChlorine Content, %66696666Specific Gravity1.821.881.821.82Mooney Viscosity ML 1+10 @ 121 OC30404238Recommended Vulcanization Formulation for testPrecompounds            100 phrMT Carbon Black (N 990)     30 phrCa(OH)2                6 phrMgO                   3 phrRheological Properties (moving die rheometer, 177oC, 6 min.)GradeHF-A361CHF-F2462PHF-A401CHF-F2602APML, N.m0.220.280.300.31MH, N.m1.951.662.922.29T901'49"1'57"1'55"1'55"Ts20'59"0'52"0'55"0'57"Physical properties of vulcanizateGradeHF-A361CHF-F2462PHF-A401CHF-F2602APpress cure6 min. @177oCpost cure24hr. @ 230oC24hr. @ 230oC / 12hr. @ 200oCTensile Strength, MPa14.314.014.014.0 / 13.0Elongation at Break, %230240190230 / 240Hardness, Shore A77797776Compression Set after 70hr. @ 200oC aging, %16141516Main grades and ApplicationsHF-A361C:Excellent mold flow, good metal bonding and scorch safetyImproved mold release, less mold foulingRecommended for compression or transfer molding of O-rings, gaskets. HF-A401C:Excellent mold release, good scorch safetyRecommended for compression or transfer molding of O-rings, gaskets. HF-F2462P:Excellent mold release, good scorch safety.Recommended for sealing applications that require improved solvent resistance and permeation resistance to fuels, also for fuel tube extrusion HF-F2602AP:Excellent mold flow, easier mold release, good scorch safetyRecommended for sealing articles with multi-configurationShanghai Fluorochem Industry Co.,Ltd supply high quality Precompound FKM, we can also customize Precompound FKM as per customer's different requirements.Processing•Our precompounds could be mixed with conventional fillers and other aids by rubber processing equipment.•Fillers and other additives should be mixed uniformly, then added in precompoundsProcessing methods: compression molding, transfer molding. Additionally, F2462P and F2602AP could be used in extrusion, A361C could be used in injection moldingPackage:Net 25kgs in cardboard cartons.