Ultrakim Kimya

INDUSTRIES / Mold Making / RTV-2 Silicone Rubbers for Mold Making / Reproduction Ultrakim Kimya

NEVOSIL® MSC 1220
RTV-2 Silicone Rubber, Condensation Curing

NEVOSIL® MSC 1220 is a condensation-curing, two-component silicone rubber, which vulcanizes at room temperature.

NEVOSIL® MSC 1220 can be particularly used for the reproduction process of polyester/ polyurethane resin models, and models with extensive undercuts.

Product Data
(uncured)
NEVOSIL®
MSC 1220
CATALYST
7325
Test Method
Appearance White, liquid Yellowish, liquid
Viscosity (mPa.s) ~ 30.000 < 30 ISO 3219
Density (g/ml) ~ 1,40 ~ 0,96 ISO 2781
Product Data (catalyzed, @ 23°C)
Mixing ratio 100/5
Pot life (min) ~ 25
Curing time (h) ~ 6
Product Data (cured, after 4 days, @ 23°C and % 50 relative humidity)
Hardness (Shore A) ~ 16 ISO 868
Tensile strength (N/mm2) ~ 1,80 ISO 37
Elongation at break (%) ~ 1000 ISO 37
Tear strength (N/mm) ~ 20 ASTM D 624
Linear shrinkage (%) 0,5 After 7 days