Posted On: January 02, 2024
Posted On: July 12, 2023
Posted On: June 28, 2023
Posted On: March 15, 2020

Mold Max Series

Smooth-On's Mold Max Series
Tin Cure Silicone Mold Rubber

Mold Max RTV silicone mold rubbers will reproduce the finest detail from a variety of industrial and art related applications including reproducing prototypes, furniture, sculpture and architectural elements. Use them to cast a variety of materials including wax, gypsum, low melt alloys/metals and urethane, epoxy or polyester resins (without using a release agent). Can be pigmented with Silc Pig silicone colorants. Mold Max Silicones feature Smooth-On’s exclusive “Libra™” catalyst for long library life.

Mold Max 10, 20, 25, 30 and 40
Used in various production applications from small to large scale like making architectural elements. Mold Max 10, 20, 25 and 30 silicone can be thickened with THI-VEX™ additive for brush-on applications.

Mold Max 14NV  Low Viscosity
Offers low viscosity, fast cure and long library life. Does not require vacuum degassing and will reproduce the finest detail.

Mold Max XLS eXtra Low Shrinkage
Exhibits very low long-term shrinkage. XLS™ II molds last longer than other silicones in production when casting chemically harsh resins such as epoxies and polyesters as well as urethane foams.

Mold Max 60 Heat Resistance Silicone
Formulated for applications requiring high heat resistance (up to 560°F/294°C) including making foundry patterns, flat pattern reproductions and casting low-melt metal alloys such as tin and pewter.


Mold Max 10T, 15T and 27T are translucent silicone rubber allow for an infinite number of color effects that can be achieved by adding Silc Pig™ silicone pigments or Cast Magic™ powders.
Sort by: