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

🔥 Seal the heat, own the moment!

GENEROUS VOLUME - 10.3 fluid ounces cartridge for extended use on multiple projects.
CRYSTAL CLEAR FINISH - Invisible sealant that blends seamlessly with any surface for a sleek look.
PRO LEVEL PERFORMANCE - Designed for heavy-duty, large bonding jobs trusted by professionals.
UNMATCHED HEAT DEFENSE - Withstands extreme temperatures up to 500°F for reliable high-heat bonding.
ALL WEATHER WATERPROOFING - Seals perfectly even in wet conditions, ensuring durability and protection.

Rutland 500-Degree RTV High Heat Silicone Seal is a professional-grade, clear silicone sealant designed to withstand temperatures up to 500°F. Waterproof and ideal for large, heavy-duty bonding jobs, it delivers a durable, invisible seal perfect for demanding environments.

Specifications

Brand	RUTLAND PRODUCTS
Specific Uses For Product	High Temperature Bonding, Wet Conditions, Large Bonding Jobs, Professional/Heavy-Duty Use
Material	Silicone
Item Form	Liquid
Special Feature	Heat Resistant
Colour	Clear
Item Package Quantity	1
Package Information	Cartridge
Item Volume	10.3 Fluid Ounces
Water Resistance Level	Waterproof
Net Quantity	304 millilitre
UPC	022624003762
Global Trade Identification Number	00022624003762
Manufacturer	Rutland Products
Model number	76C
Item Weight	291 g
Product Dimensions	4.76 x 4.76 x 28.58 cm; 292 g
Item model number	76C
Item Height	11.25 Inches
Item Width	1.88 Inches
Are batteries included?	No

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