WL 520-28 Blank Wash and Light-Duty Stamping Lubricant

Metal Mates WL 520-28 is a light duty stamping lubricant designed for thin gauge steel. Most often used in blank washing before stamping.

A soluble oil emulsion lubricant developed for automotive blank washing and stamping applications. This general-purpose forming lubricant keeps dies and metal surfaces clean throughout stamping, drawing, piercing, and roll forming operations. It provides excellent wetting in light to moderate-duty forming, blank washing, and roll forming machines.

WL can be used in forming automotive inners and outers and has been approved for automotive body in white applications for GM and Honda. It is easy to clean and is formulated to protect against corrosion.


  • Excellent Lubricity
  • Water-Soluble - cleans very easily
  • Good corrosion protection
  • Longer die and punch life
  • Reduces scrap
  • Improves part quality
  • Eliminates scoring and cracking
  • Leaves very light residual (similar to vanishing oil residual)


  • Designed for use as a blank wash in the automotive industry.
  • Good for light-duty stamping, GM approved formulation.

Packaging Details

Part No. US Net Contents Container Type Units/Case Color
MM4052 5 gallon Pail 1 Creamy White
MM4053 55 gal drum 1 creamy white
MM4056 330 gal tote 1 creamy white

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Odor mild
pH Value 8.0-9.0 at 10%
Specific Gravity 0.97
Flash Point >200F (>93C)
Boiling Point / Range 212F (100C)
Melting / Freezing Point 212F (100C)
Vapor Pressure <1
Vapor Density Heavier than air
Prop 65 Warning Yes
Dilution Ratio Typical Dilution: 3:1 to 10:1 (33-10%)

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