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BONDERITE® L-FG 4258 is a water-based graphite forging die lubricant for hot forging ferrous metals.
Lubricant: processed graphite
Solids Content: 25-27%
pH: 7-9
Density: 9.9 lbs/gallon
Freeze Point: 32°F (0°C)
Consistency: creamy fluid
Shelf Life: 12 months from date of manufacture
Conor Robertson, Technical Specialist
Product recommendations backed by technical expertise.
Fast answers to formulation and application questions.
BONDERITE® L-FG 4258 A (previously known as Acheson 4258) is a cost-effective, water-based forging die lubricant for hot forging ferrous metals. The lubricant contains graphite, wetting agents, and selective binders for good die coverage and film formation.
Poor Die Release & Protection at High Temperatures
Poor Film Formation & Surface Coverage
The recommended starting dilution is 1:5 (BONDERITE® L-FG 4258 A:water). Actual dilution used during production will vary depending on the forging operation.
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