650F max (intermittent temp) rtv silicon 3 oz tube (2.8 fl ounces) Super high tack silicon. Self curing our best BBQ smoker adhesive Food safe LavaLock RTV 650 F BBQ grill smoker sealer Hi Temp Silicon adhesive. Works great on lids, Gaskets, doors, cracks & anywhere where your bbq pit needs to be sealed up. LavaLock® is excellent for sealing bbq parts or creating gaskets on your smoker build. Brand is the best BBQ smoker sealer that we have used. Rated Food Contact Safe – Meets MIL-A-46106A, FDA 21 CFR 177.2600 For Food Contact USDA Requirements LavaLock® is a registered trademark of Island Outdoor, LLC. All rights reserved.