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 M4601 A/B Addition Cure RTV-2 Silicone (1kg Kit) $88.72 Pinkysil Fast Curing Mould Making Silicone 500gm kit $46.50 Pinkysil Oddbod 200 grams $29.75 Pinkysil Fast Curing Mould Making Silicone 1kg Kit $80.50