addition cure rtv2 liquid silicone for making mold

1.Description YJS-620isatwo-component1:1Mixaddition(platinum) curedRTVsiliconerubberwhichcuresatroomtemperature.Becauseofitsconsiderablefluidity,itisrecommendedfortheduplicationofmodelswithmanyundercuts.Thisstuffisreallythinandeasytopour. 2.Features *highchemicalresistancetotheaggressivecomponentsofsometypesofresin *Highresistancetolaceration(thischaracteristicguaranteeshighresistancetowearandtear) *Highlevelofaccuracyinreproducingverysmallparticulars *Highdimensionalstabilityovertimeandnon-deformability *Considerableresistancetohightemperaturesandtoageing *Excellentnon-stickeffect *Soft,stretchy,hightearresistance, *Willnotshrinkinservice 3.Technicaldatasheet Typical general characteristics Inspection Method Value Product data (Catalyzed A+B) YJS-620 Hardness Shore A 20±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 5000±1000 Tear-strength kg/cm 20±2 Tensile-strength M.pa 4.0±1.0 Elongation % 500±50 Shrinkage % ≤0.1% 3.Commonuses *Wax *Urethane(polyurethane) *PlasterHydrocal,Hydrostone *Polyestercastingresin *Lowmeltmetals(moldlifecanbeshort) *Cement,Concrete *Epoxy *Soap *Chocolate 4.SHELF LIFE: When stored at or below 32°C (89.6°F) in the original unopened containers, G-8 series Silicone have a usable life of 12 months. 5.Package 1kg/drum; 20kg/drum;25kg/drum;200kg/drum.