Ultimate Black RTV Silicone Gasket Maker And Sealant For High Temp Gaskets 550F Continuous 650F Intermittent 9.5 Oz Tube Heavy Duty Automotive Marine Industrial Sealant

High-Temp Black RTV Silicone Gasket Maker 9.5 oz tube
✔️ 9.5 oz heavy-duty sealant for 550°F continuous / 650°F intermittent

The Ultimate Black RTV silicone gasket maker is a high-temperature sealant designed for automotive, marine, and industrial assemblies, perfect for sealing oil pans, exhaust manifolds, water pumps, timing covers, and oven doors.

✅ 9.5 oz tube, single-pack
✅ Withstand 550°F continuous / 650°F intermittent heat
✅ Bonds to metal, plastic, and many surfaces
✅ Cures with ambient moisture to form a waterproof gasket
✅ Ideal for automotive, marine, and industrial seals including oil pans and manifolds

💡 What is a high-temperature gasket sealant used for? Handy for sealing gaskets in hot engines, exhaust systems, and industrial gear where heat hits.

- Handles temps up to 550°F continuous / 650°F intermittent
- Forms flexible, waterproof gaskets that resist weathering
- Bonds to metal, plastic, and other substrates
- Easy to apply and cures with ambient moisture for quick DIY repairs