Easter Closing Times - We will be closed Friday 29th March and Monday 1st April for Easter bank holiday
Any orders placed during this time will be dispatched from Tuesday 2nd April

Mold Star™ Series – Easy to Use Platinum Silicone Mold Rubber

Mold Star™ silicones cure to soft, strong rubbers which are tear resistant and exhibit very low long term shrinkage. Molds made with Mold Star™ will last a long time in your mold library and are good for casting wax, gypsum, resins, concrete and other materials. Cured Mold Star™ rubber is heat resistant up to 450°F (232°C) and is suitable for casting low-temperature melt metal alloys.

Select a Product Below Hardness Pot Life Cure Time Color
 Mold Star™ 15 SLOW 15 A 50 mins 4 hrs Green
 Mold Star™ 16 FAST 16 A 6 mins 30 mins Blue-Green
 Mold Star™ 20T 20 A 6 mins 30 mins Translucent
 Mold Star™ 30 30 A 45 mins 6 hrs Blue

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One to One Mix Ratio

One to One Mix Ratio

Mold Star™ rubbers are mixed 1A:1B by volume (no weighing scale necessary) for precise measurements even at a very low mass and cure at room temperature with negligible shrinkage.

No Scale Necessary No Scale Necessary
One to One Mix Ratio One to One Mix Ratio

No Vacuum Degassing

No Vacuum Degassing

Mold Star™ silicones feature relatively low viscosities making vacuum degassing optional and is not required for most applications. A uniform flow will help minimize entrapped air.

Low Viscosity Low Viscosity
No Vacuum Degassing No Vacuum Degassing

Translucent Options

Make Fast Cut Molds or Castings

Translucent Options

Mold Star™ 19T, 20T, and 31T are translucent silicones for making fast molds or casting into alginate molds. They offer fast cure times, multiple hardnesses, and an infinite number of color effects achieved by adding Silc Pig™ silicone pigments or Cast Magic™ effects powders.

Easy to Color Easy to Color
Fast Cure Time Fast Cure Time

Make Molds Fast

Make Molds Fast

Mold Star™ 16 is available in a 400ml cartridge and is one of the fastest ways to make a silicone mold. With a 6 minute pot life and 30 minute cure time It can even be used in forensics to capture evidence impressions in the field.

Fast Cure Time Fast Cure Time