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Small copper-coloured paste stick in a 20 g tube

Loctite

Loctite LB 8065 Copper Anti-Seize Lubricant 20g

SKU CH-VZNS-6Y5CK

Copper-based anti-seize paste prevents seizure up to 1800 °F in a 20 g stick

  • Withstands extreme heat up to 1800°F
  • Copper-based formula prevents seizing and galling
  • Meets military specification MIL-PRF-907E
  • 20 g stick allows precise, mess-free application
  • Zero VOC content for cleaner workplace use

Copper anti-seize for high-temperature threads

Loctite LB 8065 is a copper-based anti-seize paste supplied in a 20 g stick. It prevents galling and corrosion on threaded fasteners exposed to extreme heat. The compound meets MIL-PRF-907E and CFIA standards for reliability in demanding environments.

Replaces basic greases when temperatures exceed

Standard lubricants carbonise or wash out well below the 1800 °F upper limit of this paste. The jump is worth it for exhaust manifolds, turbo flanges, oxygen-sensor threads and brake caliper bolts where seizure would make future removal impossible.

20 g stick covers dozens of typical automotive

The paste coats threads evenly and stays in place under vibration. It runs out when rebuilding large industrial flanges or coating every bolt on a full exhaust system from headers to tailpipe. Buyers who need a brush-top can or aerosol format for faster coverage on big jobs should look elsewhere.

Highlights

  • Withstands extreme heat up to 1800°F
  • Copper-based formula prevents seizing and galling
  • Meets military specification MIL-PRF-907E
  • 20 g stick allows precise, mess-free application
  • Zero VOC content for cleaner workplace use

Specifications

BrandLoctite

Questions about this item

What thread size does the 20 g stick fit for application?

The paste is applied directly to threads of any size; the 20 g stick simply dispenses the copper compound without a specific thread adapter.

How do I apply the copper anti-seize paste correctly?

Clean the metal surfaces, then coat threads or mating faces evenly with the paste from the stick; the step often missed is removing old compound before re-applying.

When should the anti-seize compound be replaced on assembled parts?

Reapply whenever the joint is disassembled or after exposure to temperatures above 1800 °F, as the copper paste loses effectiveness beyond its rated limit.

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