Silicone Rubber, Packaging Type : White

We are offering silicone rubber.
Description
rtv3020 shoe mold making silicone rubber is a two-component material, rtv3020 consists of part a silicone base and part b ca30 curing agent, and the silicone base and curing agent can cure at room temperature by a condensation reaction. These silicone materials can be cast into the cured silicone mold: shoe mold making, sand casting etc.
specifications
1. Good flow ability and long working time
2. Medium hardness
3. Easy de-mould from shoe mold
4. Low linear shrinkage
applications
rtv3020 silicone rubber is suited for shoe mold, simple products, sand casting mold making, and shoe mold by pouring way.
base and curing agent mixture (100:2 by weight) in 25℃(77℉) testing
item rtv3020
color white
curing agent ca30
mixing ratio 100:2
mixed viscosity 22,000 mpa.s
working time 30 minutes
curing time 6 hours
hardness 20±2 shore a
tear strength 1.0 kn/m
tensile strength 1.5 mpa
relative density 1.20
elongation at break 550 %
storage
when the silicone rubber is stored at or below 30 ℃ (85℉) in the original unopened containers, rtv3020 silicone base and ca30 curing agent have a usable life of 9 months from the date of production.
note
rtv3020 silicone rubber is an industrial product and must not be used in food molding, dental human skin molding applications.