Description of RTV-2 Silicone Rubber for Moldmaking
MC RTV2 mold making Silicone rubber is a two-component material, and the silicone rubber includes Part A base silicone and Part B CA30 curing agent. The Part A base silicone and Part B curing agent can cure at room temperature by a condensation reaction. These silicone materials can be cast into the cured silicone mold: plaster, polyurethane, PU, GRC, cement, resin, polyester, wax etc...
Features of RTV-2 Silicone Rubber for Moldmaking
1. Good flow ability and long working time
2. Medium hardness
3. High tear and tensile strength
4. Easy de-mould from complex replica parts
5. Acid and alkali-resistance
6. Low linear shrinkage
Applications of RTV-2 Silicone Rubber for Moldmaking
MC RTV2 Silicone rubber series are suited for reproduction of cement molding, concrete stones, artificial stones, plaster molding, figures, art objects, decoration molding, GRC products, gypsum products, resin products, PU molds. Etc.
Data of RTV-2 Silicone Rubber for Moldmaking
Item  RTV 2028
Color off-white
Curing agent CA30
Mixing ratio 100:2
Mixed viscosity 28000-30000 cps
Working time 30-40 mins
Curing time 4-6 Hours
Hardness 27-28 Shore A
Tear Strength 30 N/mm
Tensile Strength 4.5 Mpa
Shrinkage ≤0.3%
Relative density 1.11-1.15g/cm3
Elongation at break 511% |
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