Model Making Materials

Mould Master 20 Silicone Moulding Rubber

Mouldmaster 20 is a poly-condensation curing, two component silicone that vulcanize at room temperature, it has a medium shore hardness and produces long life moulds for industrial applications.

• Pack size: 1.1kg
• Shore hardness: medium (approx 20)
• Mix: 100A:5B
• Pot life: 50 mins at 23°C
• Demould: 18-24 hours
• Full cure: 72 hours
• High tear strength
• Low dimensional variation
• High mechanical resistance.
• Technical Data Sheet

Before the casting of Epoxy, Polyester and PU resins on the silicone please apply a release agent to protect the silicone mould. If the resin is aggressive, apply it for each casting.

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