Polytek Platsil 73-20 2 gal kit (16lb)

$286.00
Availability: In stock (3)

PlatSil 73-20 is a low viscosity (3000 cP) platinum silicone mold rubber that is clear/translucent and offers an easy, 1:1 mix ratio. It is a Shore A~20 hardness, making it quite soft and flexible for the most intricate and delicate mold making requirements. Since it is a platinum silicone mold rubber, it does not shrink on cure and should be tested for cure inhibition against any surface before a project is undertaken. PlatSil 73-20 has a 5-minute working time and is able to be demolded in 1 hour at room temperature.

Accessories: PlatThix Liquid Thickener, PlatSil® 71/73 Part R Retarder, Silicone Fluid 50cs, PlatSil® 71/73 Part X Accelerator

Mix Ratio

Shore Hardness

Pour Time

Cured Color

Mixed Viscosity

Specific Volume

Demold Time

Shrinkage Upon Cure

1A:1B

A22

5 min.

Blue Translucent

3,000 cP

25.0 in³/lb

1 hr.

Nil

Notes: 
Contamination from sulfur (e.g., sulfur-based clay), amines, tin compounds, cured polyester resin, some paints and some silicone rubbers may inhibit surface cure of platinum-cured rubbers. For additional physical property specifications, refer to the Physical Properties Bulletin.
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