Computer controlled black oxide and
zinc phosphate automatic plating line
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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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