Additives
A range of additives such as Metal Fillers, Chopped Strands and Pigments. Essential materials for the hobbyist and professional alike!
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£7.00 - £45.00
Silicone Oil
Silicone Oil is a softening additive for RTV Silicone Rubber. This makes the liquid rubber easier to de-air after pouring…
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£9.96 - £142.24
Jesmonite Super Plasticiser Flow and Workability Additive
Jesmonite Super Plasticiser works with our cement-based materials. These include AC630, AC730 & AC830 (Required for AC830). By adding it…
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£10.00 - £33.60
Silicone Rubber Thixotropic Additive (thickener)
A silicone rubber thixotrope will thicken up any of our RTV Silicone Rubbers that we stock. Applied to your silicone…
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£5.00 - £170.00
Metal Powders
Powders can be mixed with a variety of different products including polyesters, polyurethanes, epoxy resins and Jesmonite. These fillers are…
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£6.00 - £22.00
Silicone Rubber Pigments
RTV Silicone Pigments These RTV silicone rubber pigments are part of a wide range of items we stock at Polysil…
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£6.00 - £45.68
Jesmonite AC100 Retarder Working Time Extender
Give yourself the gift of time with Jesmonite’s Retarder! Designed to slow down the set time of Jesmonite AC100, 200…
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£6.00 - £45.68
Jesmonite AC730 Retarder Working Time Extender
Make crafting a relaxing experience with Jesmonite’s Retarder, specifically designed for use with AC730 and AC830. Slow down your set…
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£8.00 - £112.13
Jesmonite Thixotrope (AC100 | AC200 | AC300)
Make your mix the perfect consistency for your project with Jesmonite’s Thixotrope. Thixotrope will cleverly thicken your mixture to a…
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£10.00 - £140.00
Chopped Strands (Choppies)
Give increased strength to thinner sections of your Jesmonite creations and toughen up easily breakable pieces such as jewellery with…