Model Making Materials

+44 (0)20 7264 1288
Mold Star 16 FAST
Mold Star 16 FAST
Mold Star 15 SLOW
Mold Star 15 SLOW
Mold Star 30 SLOW
Mold Star 30 SLOW
Mold Star Series Silicone Rubber
Mold Star Series Silicone Rubber


From £47.00 inc.VAT

Mold Star Series Silicone Rubber

Mold Star Series Silicone Rubber are addition-cure silicone mould rubbers ideal for beginners and experts alike, featuring a 1A:1B by volume mix ratio and low mixed viscosity. Cured Mold Star is tear resistant, exhibits minimal long-term shrinkage, and will last a long time in your mould library.


  • Applications include casting wax, gypsum, resins, concrete and other materials.
  • Heat resistant up to 232°C, so suitable for casting some low-temperature melt metal alloys.
  • No gram scale or vacuum chamber required.
  • Use IPA Isopropyl to clean up any uncured material.
  • Mold Star has a limited shelf life and should be used as soon as possible.
  • Technical Data
  • SDS



Product Name

Pot Life

Demould Time

Net Weight

Mold Star 15 SLOW (Trial Unit)

50 minutes

4 hours

0.9 Kg

Mold Star 16 FAST (Trial Unit)

6 minutes

30 minutes

0.9 Kg

Mold Star 30 SLOW (Trial Unit)

45 minutes

6 hours



NOTE: Mold Star is designed for making pour moulds and is not compatible with Thi-Vex® thixotropic agent. As with any addition-cure or platinum silicone rubber, exposure to sulphur and latex can lead to cure inhibition. Do not use sulphur-based modelling clay or wear latex gloves while processing Mold Star.

Information sheet available for our Resin & Metal Casting Service (1.8Mb PDF).

Unfortunately, due to postal restrictions, we cannot send this item overseas.

4D modelshop uses cookies to help ensure your experience on our site is the best possible. Click here to read our Privacy Policy.
Please check the box to accept and close