Fix Small Punctures Quickly They went through five different formula revisions to make sure that WTB TCS Tubeless Tyre Sealant is the preferred choice for efficiently and confidently repairing ¼-inch (6mm) punctures. Its unique formula cures sealant particulate inside the puncture to create a flexible, long-lasting repair. Optimised For Temperatures Down To Minus 9.4-deg Celsius TCS Tubeless Tyre Sealant is optimised for temps down to 15F° (-9.4°C), which increases sealing performance without altering the formula for extremely cold conditions. Some other sealants are rated for temps down to 0°F or below, but that requires more antifreeze. Accepting higher minimum temps allowed WTB to improve sealing performance by reducing the amount of antifreeze and replacing it with additional synthetic latex. Tackifying Process To Seal Punctures TCS Tubeless Tyre Sealant uses a tackifying process to seal punctures rather than the evaporative effects of many ammonia-based formulas. As a result, their sealant performs better in wet, unforgiving conditions where other sealants have trouble clotting due to reduced evaporation. Synthetic latex reduces the risk of an allergic reaction for individuals with allergies to natural latex products.