would gasoline eat it? Wondered if it could fix a gas line.

Yes - gas would eat it, the only thing that will fix a gas line is a new one....

Is this rear differential lubricant compatible?

Permatex 81409 High Temp Red RTV is a Sealant. It is one the most widely used gasket compounds. Made from silicone, RTV is air curing, it seals, bonds waterproofs, fills surface irregularities, remains flexible, doesn't shrink, is relatively easy to remove, and is used as supplementary sealer with almost all low and medium temperature gaskets. It used on the gasket or gaskets of differential. Compatible is not in question because it used on the gasket or gaskets which are outside the flange of differential. I hope that this answer your question. Please let me know if this helps.

Can I seal a knife cut on a rubber roller on a laminator

I was told by my furnace repair man that this is a 5 star

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Permatex 81409 High-Temp Red RTV Silicone Gasket, 11 oz.

Permatex 81409 High-Temp Red RTV Silicone Gasket, 11 oz.

Product ID: 349383769

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Details

Colour
Red
Brand
Permatex
Item weight
181 g
Liquid volume
11 Fluid
Full cure time
24 Hours

🔥Withstands extreme heat up to 650°F

🔴Vibrant red color for easy gasket identification

🛠️11 oz precision applicator tube

Description

🔥 Seal the deal with high-temp confidence!

VIBRANT RED SEAL - Distinctive red silicone ensures quick visual confirmation of a professional-grade gasket.
DURABLE FLEXIBLE - Silicone formula maintains flexibility and adhesion, preventing leaks even under vibration.
HEAT RESISTANT POWER - Engineered to endure temperatures up to 650°F, keeping your engine sealed under pressure.
PRECISION APPLICATION - 11 oz tube designed for smooth, controlled bead application—no mess, no waste.
TRUSTED BRAND RELIABILITY - Permatex, a leader in automotive sealants, guarantees quality and performance you can count on.

Permatex 81409 High-Temp Red RTV Silicone Gasket is a professional-grade, 11 oz silicone sealant designed to withstand extreme temperatures up to 650°F. Its vibrant red color allows for easy inspection, while its flexible, durable formula ensures a leak-proof seal in automotive and industrial applications.

Specifications

Manufacturer	Permatex
Brand	Permatex
Product Dimensions	4.78 x 4.78 x 28.58 cm; 181.44 g
Item model number	81409
Manufacturer Part Number	81409
OEM Part Number	81409
Item Weight	181 g

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