Lubra Plex 4000 is a premium-grade tungsten disulfide grease engineered for use under the most extreme temperatures (-4°F to 1472°F / -20°C to 800°C) and severe pressure conditions. Specifically designed for high-speed bearings and high-load applications, this grease is formulated with a high-viscosity synthetic base oil, tungsten disulfide particles, and advanced EP additives for unmatched performance. Lubra Plex 4000 offers exceptional service life, mechanical stability, and abrasion resistance, making it the go-to lubricant for industrial conveyors, rollers, high-temp chains, and any application subjected to extreme stress and harsh environments.

What sets Lubra Plex 4000 apart is its use of tungsten disulfide (WS₂)—a superior alternative to molybdenum disulfide—capable of withstanding load pressures up to 300,000 psi while maintaining the lowest coefficient of friction among comparable greases. This lubricant resists rust, humidity, and water while maintaining structural integrity at elevated temperatures with a dropping point above 608°F (320°C). Unlike many greases, it will not solidify under heat or shear, ensuring optimal performance in both high-load and impact-load situations.

Lubra Plex 4000 is available in 14 oz (400 g) cartridges and 40 lb (18 kg) containers, offering flexibility for both maintenance teams and large-scale industrial operations. Whether replacing molybdenum or graphite-based greases, Lubra Plex 4000 delivers superior long-term protection and performance.
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???? FEATURES

• Brand: Lubra Plex

• Model: 4000

• Base Oil: High-viscosity synthetic

• Additive: Tungsten disulfide (WS₂)

• Temperature Range: -4°F to 1472°F (-20°C to 800°C)

• Dropping Point: >608°F (320°C)

• Load Bearing Capacity: Up to 300,000 psi

• Packaging Sizes: 14 oz (400 g) cartridge, 40 lb (18 kg) container

• Applications:

  • High-temp conveyor chains

  • High-speed and high-load bearings

  • Rollers and gear assemblies

  • Impact-load machinery

• Properties:

  • Resistant to rust, water, humidity

  • Very low coefficient of friction

  • Exceptional abrasion resistance

  • Mechanically stable under high shear

  • Replaces moly and graphite greases effectively