Ultrasil Silicone

A general purpose condensation cured silicon rubber. Suitable for block moulding - multi-purpose mould making, figurine and giftware moulds. Can be used with polyester, polyurethane and plaster casting.

Very good elongation, tear strength and tensile strength. 25 Shore hardness. Colour coded catalyst to ensure thourough mixing.

Kits come with blue fast catalyst, giving a 20 minute working time and 6-12 hour demould time.

Available in 1.1Kg, 5.5Kg and 20 Kg Kits.
Extra catalyst is available in 100gm, 500gm and 1.81Kg bottles