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LOCTITE® LB 8700™ – Molybdenum disulfide anti-seize – Lubrication of threads, pipe joints, press-fit and slip-fit assemblies

  • Item Name: LOCTITE® LB 8700™ (Known as LOCTITE® Moly 50™)

  • Manufacturer: Henkel

  • Technologies: Molybdenum-disulfide based anti-seize lubricant

  • Color: Smooth gray paste

  • Cure Type: Non-curing

  • Package Size: Contact to Techniq VN for details.

  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE® LB 8700 (known as LOCTITE® Moly 50™) is a one-component, non-curing, molybdenum disulfide–based lubricant in smooth gray paste form. It is engineered to reduce friction, prevent galling, and protect threads and joints under severe operating conditions. The product functions effectively across a wide temperature range from –29 °C to +398 °C. It is tested to meet the lot requirements of Military Specification MIL-PRF-83483, ensuring consistency and reliability in demanding environments.


2. Applications

  • Thread lubricant for machine threads and tapered pipe threads.

  • Used in press-fit and slip-fit joints to ease assembly and disassembly.

  • Provides uniform clamp load distribution in bolted connections.

  • Suitable for critical applications requiring anti-seize protection under high load and temperature conditions.

3. Typical Properties

Property Uncured Cured
Appearance Smooth gray paste Non-curing (remains paste)
Specific Gravity @ 25 °C 1.41
Flash Point See SDS
Penetration (ISO 2137, 1/10 mm) 170–260
Weight per Gallon (lbs/gal) 10.99–11.99
Torque Coefficient (k), lubricated 12.7 mm steel bolts 0.13
Torque Coefficient (k), unlubricated bolts 0.27
Operating Temperature Range –29 °C to +398 °C

This lubricant provides stable performance, ensuring reduced torque coefficients, improved clamp load uniformity, and enhanced protection against seizure and wear, especially in threaded assemblies exposed to high stress and temperature.

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