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BONDERITE® L-FG 4258B

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Water-based graphite dispersion for surface & die protection in hot forging operations

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Product Overview

BONDERITE® L-FG 4258B (previously known as P3 Forge 4258B) is a premium lubricant solution for hot forging presses in steel manufacturing.  BONDERITE® L-FG 4258B is formulated dispersion of graphite in water that prevents hot metal sticking and reduces the resulting damage and wear to dies or punch surfaces. BONDERITE® L-FG 4258B delivers high levels of protection for medium and heavy-duty metal forging operations.

Applications

BONDERITE® L-FG 4258B is an easy-to-use hot forge lubricant solution and can be applied via flooding or spray nozzles. 
 
The recommended operating conditions for BONDERITE® L-FG 4258B are listed below for reference.
 
Starting Dilution: 3:1 to 20:1 (water to BONDERITE®)
Operating Bath Temperature: 80°F to 120°F
Hot Forge only Billet Temp: > 1800°F

Features & Benefits

Excellent Extreme Pressure Protection
High Graphite Solids Content (~39%)
Water Dilutable
Great Surface Coverage & Wear Prevention

Problems Solved

BONDERITE® L-FG 4258B helps provide a solution to the following industry & application problems: 

Cavity Underfill or Inhibited Metal Flow in Forge Press 
Excessive Friction and Wear on Press or Punch Surface
Lubricant Build Up in Die Cavity 
Inconsistent Surface Finish on Forged Metal 

Product Specifications

Appearance: Black, Free Flowing Liquid
pH: 6.4 – 7.4
Density at 60°F: 9.2 lbs./gal
Pour Point: 45°F
Viscosity at 60°F: 120 cps

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