Product Description

RTV Silicone rubber One: Short Introduction of the RTV silicone rubber RTV silicone rubber have many types , and it is widdly used for the molds making , pad printing , silicone potting for electronic products , such as for LED or LCD products , LIM silicone rubber can be used for the baby nipples , medical tubes ect . Two : Usage of the RTV silicone rubber : RTV silicone rubber can be used for many indrustrials , such as plaster crafts , PU products , resin crafts , concrete products , cement products , candle crafts , soap molds ,prototyping molds making ect . Three : Short technology information of our best selling RTV silicone rubber : Model Color Mixing ratio (%) Pot life (mins) Demould time ( hrs) Hardness ( A0 ) Tensile-strength (kgf/cm2) Tear-strength (kgf/cm) Viscosity (cps) Shrinkage rate (%) Elongation (%) type 625# white 100 : 3 30 4-6 25 ≥ 39 ≥ 25 23000 ≤0.3% 500% condensation 628# white 100 : 3 30 4-6 28 ≥ 48 ≥ 29 30000 ≤0.3% 500% condensation 638# white 100:3 30 4-6 35 ≥ 49 ≥ 31 32000 ≤0.3% 500% condensation 642# transparent 1:1 30 2-3 42 ≥ 78 ≥ 14 11000 ≤0.1% 380% addition 625# RTV silicone rubber is very suitable for the molds making in small size in pouring way , it is very similar to Dow Corning RTV3481#. RTV silicone rubber 628# is very suitable for molds making of middle and large size in pouring or brushing way , which is very similar to ACC MM928# and Smooth-On Max30 . RTV silicone rubber --638# is very suitable for molds making of stone and cement products. E642# RTV silicone rubber is a kind of addition silicone , it is very suitable for stone crafts , cement crafts , it can also be used for the phototyping products , and resin casting . Four.More information about our RTV silicone rubber, PLS contact with Miss Nancy TEL: 0086.-755-89948013 or Mob 86-18938867585