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  Computer controlled black oxide and
zinc phosphate automatic plating line

Pentrate Metal Processing, Inc. also provide Zinc Phosphate coating. An adherent layer of zinc crystals produced on steel surfaces by reaction of the surface metal to the phosphate solution.

  • Improve corrosion resistance by providing a good base for absorbing and retaining rust preventive materials.
  • Provide and excellent base for holding lubricants and drawing compounds.
  • Prolong the life of organic coatings.
  • Provide good paint bonding.

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