Characteristics
Good operability, easy to demold
Moderate hardness
High tensile and tear strength
Cure at room temperature
Good flexibility
High duplication times
Technical Parameters
DC-C30 Silicone rubber with moderate hardness in high tensile and tear strength,which is suitable for middle or large size product with pattern by both pouring and brushing operation,especially popular for manufacturer of gypsum decoration and concrete molding,It is one of our best selling silicone.
|
Model
|
Color
|
Mixing ratio (%)
|
Pot life (mins,
under 25℃)
|
Curing time
(hrs,under 25℃ )
|
Hardness ( Shore A )
|
Tensile-
strength (MPa)
|
Tear-
strength (kN/m)
|
Viscosity
（After A/B mixed ,mPa.s）
|
Shrinkage
rate (%)
|
Elongation
（%）
|
|
DC-C30
|
White
|
2
|
30-40
|
3-5
|
30±2
|
>4.2
|
>25
|
27000±5000
|
≤0.25%
|
>450%
|
Description
DC-C30 RTV-2 Mold Making Silicone Rubber is a kind of room temperature vulcanized silicone rubber in condensation type. It’s generally named as two part silicone rubber, Part A is a flowable liquid silicone, Part B is the curing agent (Tin catalyst) . It’s mainly used for mold making.
Application
DC-C30 RTV-2 Mold Making Silicone Rubber is used for making molds of concrete stone, GRC(Glass-fiber Reinforced Composite), gypsum decoration, plaster ornaments, fiberglass products, polyester decoration, unsaturated resin crafts, polyresin crafts, polyurethane, bronze, wax, candle, and similar products.
