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Die Casting News

Die Casting Plunger Lubricant for extreme applications

Posted by Hill and Griffith Company on Dec 20, 2017 11:15:46 PM

Plunger Lubricant for Special Diecasting Foundry Applications

Plunger Lube™ 678 is an oil-based product providing high amounts of graphite for extreme die casting applications where a high viscosity lubricant is desired or required. The Hill and Griffith Company has designed this lubricant for good performance at slow plunger speeds or in situations where prolonged contact with metal is likely to occur.

The carefully and consistently blended Plunger Lube™ 678 provides the necessary lubricating functions for the shot sleeve and tip in severe applications.  The Hill and Griffith Company, to control uniformity and dependability in the product, which is shipped ready to use, formulate the die casting plunger lubricant from base materials.  Plunger Lube™ 678 is both economical and efficient.

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This product is easily applied to the plunger tip with a swab, brush, or lube dispenser. The composition is not conducive to spraying unless pre-heated.

The Hill and Griffith Company's family of Plunger Lube™ products afford a wide selection of plunger lubricants designed for use on aluminum die casting machines. The products are generally non-corrosive, but specific applications may suggest adding more or different corrosion inhibitors. These products are compatible with many other plunger lubes and additives. However, any mixtures should be checked before being put into factory use, since some precipitation of graphite and other additives may result.

SPECIFICATIONS

Product Description

A proprietary blend of high viscosity petroleum oils, graphite and other additives designed for use as a plunger lubricant under conditions where high viscosity is desired or required.

Typical Properties*

Base Oil
Color Black
State @ 25 degrees C Heavy, thick liquid
Density 9.6 lbs/Gal
Pigment Graphite
Graphite content 25-30 %
Flash Point >560oF
Viscosity: @100o F.    31,000 S.U.S.
@200o F.      -700 S.U.S.

* These are typical properties and should not be used as control specifications.


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We're known for our hands on approach. Let us visit your plant, offer die casting technical support and recommend release agents, lubricants, plunger lubricants and permanent mold lubricants that suit your needs. Products that represent the latest in technology and ongoing research that enhance competitiveness and increase productivity. 

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We are pleased to provide samples in quantities large enough to allow you to "try before you buy." Die Casting and Squeeze Lubricants- Diluco®, Permanent Mold Coatings- Concote™, Plunger Lube™- Graphite and non-graphite oils and pastes with excellent anti-wear properties, Casting Operations Products: Start-up lubes, Ladle coatings, Anti-soldering pastes, Water glycol, Trim press lubricants, Surface protection for casting storage, Corrosion protection for die storage, Cleaners for machines and dies, Corrosion protection for machines, Heat treatment quenchants, and Heat-transfer fluids. Also, Industrial Lubricants Griflube®, Hydraulic fluids with fire-resistant and anti-wear properties, Bio-Syn natural ester-based hydraulic fluid, Way oil knuckle lubes and Metalworking Fluids- Grifcut™

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