I am looking for a product that will still have that rubbery traction but able to withstand temperature. I am trying to be able to attachan object to a piece of metal with magnets so that it can be attached and detached. I need the surface to keep it from slipping I.E. silicone.

Google "Curie Temperature" before using magnets on any type of homemade smoker,grill or stove repair. Because you chose this high heat sealant, I assume you'll be cooking or at least burning something. The sealant may hold the magnet to the desired object, but at a certain temperature, the magnet itself will fail.

would this work to repair a wooden boat? Is it waterproof?

I believe it probably would, not sure you would need 500 degree temperatures though. you can buy a regular black silicone at the auto parts store. regular black silicone should work great on a wooden boat.

linear crack small on car radiator

This would not work. Car radiators hold water under pressure as it heats up. Radiator caps generally are rated at 15 pound per square inch before they realese pressure.

Does it smell? After or before?

It smells like silicone sealer for a while then it fades after a day or so to nothing.

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Description

Great for creating a gasket-like seal on smokers
Acetoxy cure; dries clear
Meets ASTM C920-86
Rated to withstand up to 500°F
Cartridge contains 10.3 fl oz. For other DIY tools, check out Rutland's other Home & Chimney Care products.

Product Description When you need an all-purpose, powerful sealant, Rutland 500°F RTV High Heat Silicone Sealant is the right choice for any project. Seal fireplace inserts, install ceramic tiles, or apply heat shielding to your stove - no job is too big! Permanent, flexible silicone adheres to glass, metal, plastics, fiberglass, wood, brick and stone. Box Contains 500°F RTV HIGH HEAT SILICONE (Clear) Cartridge, 10.3 fl oz

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TrustScore 4.5 | 7,300+ reviews

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Manufacturer	Rutland Products
Part Number	76C
Product Dimensions	4.76 x 4.76 x 28.58 cm; 292 g
Item model number	76C
Size	4.9225199999999996 x 4.9225199999999996 x 28.574999999999999 cm
Colour	Clear
Material	Liquid
Item Package Quantity	1
Special Features	Dries Clear
Batteries included?	No
Batteries Required?	No
Item Weight	291 g

RUTLAND PRODUCTS 500°F RTV HIGH Heat Silicone (Clear) Cartridge, 10.3 fl oz, Liquid, 4.92 x 4.92 x 28.57 cm

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