Does this product dry up and get hard over time like the aluminum based anti seize in an 8oz bottle does?

I have a bottle that was in my tool box when I left the shop in 1998. It is about 1/2 full and still brushes on fine. I had to stir it when I used it last (November 2018) because it had a layer of oil on top. I keep mine closed tightly and it sits on a shelf in my garage. Not sure if it is still as effective, but to answer your question about drying up, mine didn't...

Can this be used on spark plug threads?

Not for use on spark plugs that already come with an anti seize already applied to some spark plugs. It will likely affect the proper torque to apply when seating plugs, causing them to be over-torqued. That torque spec is there for good reason.

Okay, i guess i didn't read far enough. i used the copper based anti seize on my mustang plugs. should i pull them and redo them with this?

My best answer is...to use the anti seize to prevent the plugs from rusting. This will save you time and money in the future from dealing with broken spark plugs problems. If I were you, I would re-do them while the plugs are freshly installed.

The maximum temperature rating is mentioned in the description (2400F). What is the lowest temp?

The technical datasheet claims: "This product withstands temperatures ranging from -65*F to 2400*F (-54*C to 1316*C)." If you require more technical information then please refer to the Permatex web site and the associated technical datasheet.

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Permatex PTX77124 Nickel Anti-seizing Inhibitor, White, 8.0 oz (226 g)

Product ID: 724966530

Details

Brand
Permatex
Item Weight
0.6 Pounds
Liquid Volume
0.23 Kilograms
Material
Nickel
Package Information
Tube

🔥2400°F max temp resistance

❄️-54°C application range

🛠️Nickel-based anti-seize, copper-free

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Description

🛡️ Lock in longevity, unlock zero seize — the pro’s secret weapon!

TRUSTED RELIABILITY - Mil-Spec A-907 compliant and highly rated by professionals worldwide.
EXTREME HEAT DEFENSE - Withstands scorching 2400°F to protect your metal parts under fire.
PRO GRADE APPLICATION - Ideal for exhaust bolts, catalytic converters, and stainless steel components.
CORROSION SEIZE SHIELD - Nickel formula prevents rust, burning, and bittering for long-lasting durability.
VERSATILE TEMPERATURE RANGE - Performs flawlessly from -54°C cold snaps to blazing heat.

Permatex PTX77124 is a premium nickel-based anti-seizing paste designed to prevent corrosion, burning, and seizing in harsh environments. Rated for extreme temperatures from -54°C to 2400°F, it’s perfect for automotive exhaust systems and stainless steel parts. Copper-free and Mil-Spec A-907 compliant, this 7.9 oz tube delivers professional-grade protection trusted by mechanics and engineers alike.

Specifications

ASIN	B0002UENJ2
Amazon Bestseller	#219,027 in Automotive ( See Top 100 in Automotive ) #2,133 in Powersports Tool Sets
Brand	Permatex
Brand Name	Permatex
Container Type	Tube
Customer Reviews	4.8 out of 5 stars 709 Your Review
Flash Point	200 Degrees Fahrenheit
Global Trade Identification Number	00686226771247
Included Components	No
Item Form	Paste
Item Type Name	Nickel Anti-Sheath Anti-Seizing Agent
Item Weight	0.6 Pounds
Liquid Volume	0.23 Kilograms
Manufacturer	パーマテックス(Permatex)
Material	Nickel
Package Information	Tube
Recommended Uses For Product	Lubricant
Specific Uses For Product	Protects metal components from seizing and scaling, prevents corrosion and improves exhaust system performance
UPC	686226771247
Unit Count	8.0 Ounce
Upper Temperature Rating	2400 Degrees Fahrenheit
Viscosity	paste
Warranty Description	Due to product defective

Reviews

深**ー

耐熱温度は最高

エキマニ交換に伴い購入しました。耐熱温度は最高だが、キャップに付いているハケは災厄、、どんどんペーストがくっ付くのでスクリューのあたりは、ベタベタになります。別購入したスバチュラでペーストをすくい上げる方が使いやすかったです。

3.02.2025

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