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    Performance Machining Fluids

    Metal manufacturing is an enormous and varied industry - requiring specialty lubricants to maximize production and protect workpieces, machine tools and optimize safety in the shop itself.  Henkel strives to provide best-in-class performance for all of these factors in the Bonderite® Metalworking Lubricant portfolio.  Dive deeper into the pros and cons of metalworking coolant types and feel more confident in selecting the ideal solution for your operation.  

What are Machining Coolants? 



Machining coolants are specially engineered lubricants that provide protection for workpieces and machine tools by controlling friction, reducing extreme temperatures, protecting from corrosion & rust, and physically removing metal chips & flakes.

Control Friction

Reduce Temperature

Remove Metal Chips

Prevent Corrosion


Types of Machining Coolants 



There are four main types of metalworking fluids – Straight Oil, Soluble Oil, Semi-Synthetic and Synthetic Fluids. Each of the metalworking coolant types provide their own specific benefits and disadvantages for use and it’s important to understand which type of fluid is right for your machining operation. 
 
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Pros & Cons of Machining Coolant Types 



    Coolant Type
    Advantages
    Disadvantages

    Straight Oil
    Excellent Lubrication
    Good Rust Prevention & Control
    Longer Fluid Life
    No Microbial or Biological Growth
    High Temperature Buildup
    Smoking or Misting Problems
    Dirty Shop Conditions
    Flammability Concerns
    Disposal Problems

    Soluble Oil
    Good Lubrication
    Good Thermal Control & Reduction
    Can Become Rancid
    Smoking or Misting Problems
    Poor Mix Stability or Foaming 
    Dirty/Oily Shop Conditions
    Poor Rust Prevention
    Disposal Concerns

    Semi-Synthetic
    Good Lubrication
    Good Thermal Transfer & Control
    Good Rust Control
    Longer Fluid Life
    Cleaner Shop Conditions
    Potential for Foaming
    Hard Water Stability Concerns
    Compatibility Concerns with Other Lubricants
    SyntheticExcellent Heat Transfer
    Cleaner Shop Conditions
    Poor Physical Lubrication
    Can Form Hard Residues

Metalworking Operations & Fluid Performance



Not all metalworking fluids are created equal - in fact if you choose the wrong lubricant for your operation, you could be wasting money on scrap, replenishment and disposal costs. The pros and cons of the each fluid type may lend themselves to improved performance depending on the machining operation being performed. For a starter recommendation, the table below gives a high level comparison from Ok to Best by machining operation.
    Machining Operation
    Straight Oil
    Soluble Oil
    Semi-Synthetic
    Synthetic
    Grinding
    Ok 
    Good
    Better
    Best
    Sawing
    Good
    Better
    Better
    Ok
    Turning
    Ok
    Better
    Best
    Better
    Screw Cutting
    Ok
    Better
    Best
    Better
    Boring
    Ok
    Best
    Best
    Better
    Milling
    Ok
    Best
    Best
    Better
    Drilling
    Good
    Better
    Best 
    Better
    Deep Hole Drilling
    Good
    Good
    Best
    Good
    Honing
    Better
    Ok
    Good
    Good
    Tapping or Threading
    Better
    Best
    Best
    Good
    Shaving
    Best
    Good
    Good
    Ok
    Gear Shaping, Hobbing or Broaching
    Best
    Good
    Ok
    Ok

BONDERITE® Metalworking Solutions



BONDERITE® L-MR B Series

This portfolio of performance metal removal fluids are formulated with bio resistance in mind.  Microbial growth can become a real problem in water-based systems leading to obnoxious odors, residues and pumping issues.  the L-MR B series provides excellent extreme pressure performance and lubricity for a range of light to heavy duty applications.  Learn More Here ►

BONDERITE® L-MR CR Series

The L-MR CR Series of the BONDERITE® metal working fluids delivers premium performance for a wide range of machining operatioins for ferous and non-ferrous alloys.  These lubricants exhibit durable performance for light to heavy duty applications. Learn More Here ► 

BONDERITE® L-MR Synthetic Series

The BONDERITE® L-MR Series of synthetic lubricants provide a full portfolio of coolant types for machining, grinding, roll forming and more for ferrous and non-ferrous alloys.  Learn More Here ►

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