Factory price silicone rubber rtv 2 for concrete mould making

Factory price silicone rubber rtv 2 for concrete mould making 1.Description YJS-530isakindofroomtemperature vulcanizedsiliconerubberincondensationtype. It’sgenerallynamedastwopartsiliconerubber,PartAisaflowableliquid,partBisthecuringagentorcatalyst.It’smainlyusedformoldmaking. 2.Application YJS-530siliconerubberisusedformakingmolds ofgypsumdecoration,plasterornaments,polyesterdecoration, unsaturatedresincrafts, polyresincrafts,polyurethane,bronze,wax, candle, andsimilarproducts. 3.Characteristics Anexceptionalfluidityandgoodoperability,easytodemold Akindofsoftsilicone Goodtensilestrengthandtearstrength Cureatroomtemperature Goodflexibility Outstandingbubblereleasing Goodduplicationtimes 4.TechnicalParameters Product data Inspection Method Value(YJS-640) Hardness Shore A 40±2 Mix Ratio A:B 1:1/10:1 Color / translucent Pot life 25 °C (77F) 30-40mins Curing time 25 °C (77F) 3-4 hours Mixed viscosity mPa.s 9000±1000 Tear-strength kg/cm 12±2 Tensile-strength M.pa 6.0±1.0 Elongation % 450±50 Shrinkage % ≤0.1% 5.Package 25 KG/drumvacuumpackingforpartA+1 kg/bottlecatalystforpartB 200 KG/drumpackingforpartA+1 kg/bottlecatalystforpartB 6. Shelf life Twelve(12) months when stored under dry and cool place by original package under 25℃