Liquid Silicone Rubber for Molding
Description
RTV-2 is a two-component Room-Temperature-Vulcanizing (RTV-2) silicone rubber. Depending on its curing mechanism, two types of RTV-2 are available: "condensation" cure type and "addition" cure type.As a kind of two-component material, MC RTV-2 silicone rubber for mold making is composed of Part A base silicone and Part B CA curing agent. Because a condensation reaction, the Part A base silicone and Part B CA curing agent can cure at room temperature, and become a cured silicone mold. Then the silicone mold can be poured the material below to duplication: plaster polyurethane, PU, GRC, cement, resin, polyester, wax etc...
Item No.MCSIL-H20AppearanceWhiteViscosity(cpsMix ratio(by weight)100:5Pot Life(mins)90-120Curing Time(hrs)24Hardness(shore A)19-20Tensile Strength(Mpa)4.8Tearing Strength(KN/M)25Elongation(%)>550Shrinkage(%)0.20
Storage of RTV-2 Silicone Rubber
When the silicone rubber is stored at or below 30 ℃ (85 ℉) in the original unopened containers, RTV2 Silicone Base and CA30 Curing agent have a usable life of 12 months from the date of production. After 12 months, please use a stirring mill to stir the Part A silicone for some minutes, then the silicone can be use again, without any influence to the characteristics.
Packing of RTV-2 Silicone Rubber
Part A base silicone: 20kg/drum, 25kg/drum or 200kg/drum
Part B CA30 Curing Agent: 0.25kg/bottle,1kg/bottle and 10kg/bottle
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