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ASTRO-KOTE PM is a synthetic, water-based rust inhibitor for in-plant rust protection on ferrous alloys and was designed to prevent rust on pressed metal parts between processing operations. It can also be used in the final rinse after the soak, spray, or barrel tumbling operations. This product does not leave any oily films and contains no solvents. ASTRO-KOTE PM may be used as a supplementary rust inhibitor for use in water-soluble metalworking fluids such as aqueous cleaners. It contains wetting agents which facilitate penetration into pressed metal parts either before or after sintering. It is ashless and will not leave residues when parts are heat treated or sintered.

Functions: Corrosion Inhibitor

Product Type: Rust Preventative, Waterborne Coating

Application Method: Dip Coating, Spray

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Fluids & Lubricants Functions

Features & Benefits

Fluids & Lubricants Features
Product Highlights
  • Contain petroleum oil or solvent
  • Coats evenly over metal surfaces
  • Non-flammable
  • Long lasting
     

Applications & Uses

Application Method
Compatible Substrates & Surfaces
Fluids & Lubricants End Use
Product Application

ASTRO-KOTE PM may be used on in-plant and inter-plant shipments of work-in-progress and finished goods and may be applied by dip tank, spray or other convenient method.

Recommended Concentration

An optical refractometer may be used for determining concentration.

Concentration (10:1) (20:1)
Refractometer Reading 4.4 2.2

 

Mixing
  • Indoor storage of pressed or sintered parts: 10:1 to 15:1
  • As a supplementary rust inhibitor for use with water extendable metalworking fluids: 25:1 to 50:1

Properties

Physical Form
Appearance
Clear light yellow liquid
Odor
Slight sweet
Typical Properties
ValueUnitsTest Method / Conditions
pH (at 20:1, 5%)8.4 - 8.8--
Specific Gravity (at 60°F)1.037 - 1.057--
Density8.63 - 8.83lbs/gal-
Flash PointNil-PMCC

Regulatory & Compliance

Certifications & Compliance
Chemical Inventories