HT Flexseal 300 - Black Zoom HT Flexseal 300 - Black SKU: 93-HTFS-B A BLACK flexible silicone based sealant, withstands heat up to 300°C. Tube size is 310ml. Availability: In stock £23.99 Qty: Add to Cart Email to a Friend Additional Information Additional Information Additional Information SKU 93-HTFS-B Category Sealant CMS tab x Add to Cart Price: Actual Price: Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page. You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart. Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page. You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.