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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Rutland Clear High Temp Silicone Sealant RTV Gasket Maker - Heat Resistant Glue & Clear RTV Silicone Sealant Adhesive, Gasket Sealer 500F

Rutland Clear High Temp Silicone Sealant RTV Gasket Maker - Heat Resistant Glue & Clear RTV Silicone Sealant Adhesive, Gasket Sealer 500F

Product ID: 2943069

Details

Brand
RUTLAND
Item Weight
10.3 ounces
Item dimensions L x W x H
1.88 x 1.88 x
Material
Silicone
Style
Industrial

⛽Fuel & chemical resistant formula

🔥Withstands up to 500°F heat

🛠️Professional-grade RTV silicone

23808CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Seal the deal with heat-proof precision!

CRYSTAL CLEAR FINISH - Clear RTV silicone cures invisibly, blending seamlessly with metal, aluminum, and composite surfaces.
EXTREME HEAT DEFENSE - Engineered to endure scorching 500°F environments without cracking or shrinking.
VERSATILE AUTOMOTIVE SEALANT - Perfect for engine rebuilds, exhausts, valve covers, and more—ditch paper gaskets for a flexible, durable bond.
CHEMICAL RESISTANT DURABILITY - Resists gasoline, oil, coolant, and transmission fluids to maintain a reliable seal in harsh conditions.
TRUSTED AMERICAN CRAFTSMANSHIP - Made in the USA since 1883, a legacy brand trusted by pros and DIYers alike.

Rutland Clear High Temp Silicone Sealant is a professional-grade RTV gasket maker designed to withstand extreme temperatures up to 500°F. This clear, fuel-resistant adhesive forms a durable, flexible seal ideal for automotive and industrial applications, bonding metal and composite surfaces with long-lasting reliability. Trusted since 1883, it’s the go-to solution for mechanics and DIY enthusiasts seeking a high-performance gasket sealer.

Specifications

ASIN	B000DZBLNC
Best Sellers Rank	#8,581 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #25 in Silicone Adhesives
Brand Name	RUTLAND PRODUCTS
Color	Clear
Compatible Material	All Surfaces
Customer Reviews	4.6 4.6 out of 5 stars (2,144)
Global Trade Identification Number	00022624003762
Included Components	Silicone Sealant
Item Dimensions	1.88 x 1.88 x 11.25 inches
Item Form	High Temp Silicone
Item Type Name	Rutland Products 76C 500-Degree RTV High Heat Silicone Seal, 10.3-Ounce Cartridge, Clear
Item Weight	10.3 ounces
Manufacturer	Rutland Products
Material Type	Silicone
Model	76C
Number of Items	1
Number of Packs	1
Part Number	76C
Style Name	Industrial
UPC	022624003762
Unit Count	10.3 Fluid Ounces
Warranty Description	12 months.
Water Resistance Level	Waterproof

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