CASTING MATERIALS

Polytek’s wide array of casting materials are useful for pouring castings of many sizes and shapes or for brushing to create mold shells (mother molds), as well as for spraying to hardcoat foam or other substrates.

Please choose from one of the casting materials categories below or click here for further information on Selecting Casting Materials

Shrinking Rubber
ONEOFF SALE 40% OFF

Shrinking Rubber - Reducible Resin

Shrink-It is a polyurethane product that you mix with water and once it is demolded you set on a rack and let it air dry till the water evaporates.

From $43.44 ex GST

Expanding Rubber

Expanding Rubber

New Expanding Rubber! This new rubber formula allows you to cast parts and enlarge them up to ~150%. Expanding Rubber is 1:1 mix ratio.

From $86.91 ex GST

Siliglass
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Plastil Siliglass

PlatSil® SiliGlass is a low viscosity, 1:1 mix platinum silicone designed for making super-clear, glass-like rubber castings for special effects and prop applications. SiliGlass is designed to act and look like broken glass when hit. Since the broken glass-like shards are made of a safe silicone rubber, there is no danger to an actor or actress during its use.SiliGlass has a 5-minute working time and a 0.5-1 hour demold and when cured, PlatSil® SiliGlass is a Shore A40 rubber.

$600.00 ex GST

Plastiflex
ONEOFF SALE 40% OFF

Poly Plasti-Flex Casting Resin

Poly Plasti-Flex is a 35A:100B mix, flexible polyurethane casting material with a ~A90 hardness. It is a great option for casting slightly flexible and impact-resistant parts such as decorative trim, flex molding and millwork. Poly Plasti-Flex also works well for casting props and display items requiring high impact resistance.

From $150.00 ex GST