Email to a friend SIL-THIX SILICONE THICKENER 100g Thickening agent for Silicone Rubbers. $22.95 Add to Cart Qty Out of Stock This item will be shipped within 10 days. Add Review Sil-Thix is a unique thickener for most Silicone Mould Making Rubbers. It can be used with both Condensation and Addition Curing Systems. We recommend a maximum of 3% in Addition Cure Grades and 5% in Condensation Cure Grades. Sil-Thix CANNOT be used in CraftSil. We recommend a test on a small amount of silicone before any larger jobs. Currently there are no reviews for this product. Currently there are no questions for this product. Similar Products Pinkysil Fast Curing Mould Making Silicone 1kg Kit $80.50 M4601 A/B Addition Cure RTV-2 Silicone (1kg Kit) $88.72 Pinkysil Fast Curing Mould Making Silicone 500gm kit $46.50 Pinkysil Oddbod 5Kg $385.00