Ultrakim Kimya

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

NEVOSIL® MSC 1121
RTV-2 Silicone Rubber, Condensation Curing

NEVOSIL® MSC 1121 is a condensation-curing, two-component silicone rubber, which vulcanizes at room temperature.

NEVOSIL® MSC 1121 can be particularly used for the reproduction process of polyester/ polyurethane resin models, and models with extensive undercuts.

Product Data
(uncured)
NEVOSIL®
MSC 1121
CATALYST
7325
CATALYST
7330
Test Method
Appearance White, liquid Yellowish, liquid Yellowish, liquid
Viscosity (mPa.s) ~ 20.000 < 30 < 30 ISO 3219
Density (g/ml) ~ 1,40 ~ 0,96 ~ 0,96 ISO 2781
Product Data (catalyzed, @ 23°C)
Mixing ratio 100/5 100/5
Pot life (min) ~ 45 ~ 15
Curing time (h) ~ 8 ~ 6
Product Data (cured, after 4 days, @ 23°C and % 50 relative humidity)
Hardness (Shore A) ~ 8 ~ 6 ISO 868
Tensile strength (N/mm2) ~ 1,5 ~ 1,8 ISO 37
Elongation at break (%) ~ 1000 ~ 1100 ISO 37
Tear strength (N/mm) ~ 14 ~ 18 ASTM D 624
Linear shrinkage (%) 0,5 0,5 After 7 days