Loctite Lb 8065 C-5a Copper Quickstix Compound Anti-seize 20g

LOCTITE® LB 8065™ C-5A® is a commercial-grade, copper-colored anti-seize lubricant engineered in a convenient stick form. Formulated with a premium naphthenic oil base and micro-size copper flakes, this heavy-duty compound shields critical metal assemblies from extreme thermal conditions, intense friction, and aggressive environmental seizing.

Applying this copper anti-seize stick ensures that mated parts, studs, bolts, flanges, and gaskets can be removed more easily and remain in cleaner, reusable condition during teardowns. 

Key Benefits & Features

• High-Temperature Resistance: Provides continuous, reliable protection in operating temperatures up to 982°C.
• Multi-Substrate Compatibility: Safe and effective for use on copper, brass, cast iron, steel, all alloys (including stainless steel), plastics, and non-metallic gasketing materials.
• Optimized Thread Tensioning: Aids in developing a greater, more predictable clamp load for equivalent torque inputs compared to unlubricated fasteners.
• Uniform Clamp Loads: Drastically reduces friction variance to ensure high uniformity across a series of structural or mechanical bolts.
• Clean Stick Format: Minimizes messy drippage, spills, and material waste on busy facility floors and production lines.

Technical Specifications

• Product Designation: LOCTITE® LB 8065™ C-5A® Copper Anti-Seize
• Form Factor: Solid Lubricant Stick
• Container Size: 20g
• Color: Copper
• Base Chemistry: Naphthenic Oil
• Curing Type: Non-curing
• Primary Application: Thread Lubrication and Anti-Seize Protection
• Maximum Service Temperature: Up to 982°C
• Optimal Storage Conditions: Store in unopened original container in a dry location at temperatures between 8°C and 21°C. Storage below 8°C or above 28°C can adversely affect product properties.

Directions for Industrial Application

1. For optimal performance, ensure all mating surfaces, threads, and flats are thoroughly clean, dry, and free of old grease or grit.
2. Safety Note: When removing old corrosion by grinding or wire brushing, always wear an approved dust mask to avoid inhaling metal compound dust.
3. Advance the stick and apply a thin, uniform coating directly to the threads, flats of nuts, or bolt shanks requiring protection.
4. Assemble the components according to engineering specifications. Do not return any exposed or contaminated material back into the original package container.

Frequently Asked Questions

What is the maximum temperature rating for LOCTITE LB 8065?

LOCTITE LB 8065 is specifically engineered for severe industrial environments and is typically rated for operating temperatures up to 982°C. This makes it ideal for original equipment manufacturing and maintenance in power plants, steel mills, foundries, and petroleum chemical facilities.

Can LOCTITE LB 8065 copper anti-seize be used on stainless steel and plastics?

Yes. This versatile naphthenic oil formulation is completely safe and effective for use on copper, brass, cast iron, steel, and all metal alloys including stainless steel. Additionally, it is compatible with all plastics and non-metallic gasketing materials.

How does LOCTITE LB 8065 improve structural bolt assembly performance?

When applied to threads and nut flats, the low-friction copper compound reduces thread resistance. This allows installers to develop a greater and far more uniform clamp load across a complete series of bolts for the exact same torque input compared to running the fasteners unlubricated.

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