The yellow sealant tape is a high temperature multi-purpose tape. It is easily removable from tooling surfaces and is higher in tack than the gray tape, making it less likely to develop leaks. Due to its high tackiness, however, it is more difficult to shift its position after initial placement. - 400° F max operating temperature - 1/2 Wide, 1/8 Thick, 25' per roll - Airtech Product: AT-200Y