Industrial Manganese Phosphate Coating

Available Across the United States

Also known as Parco Lubrite and Parkerizing, manganese phosphate coatings are dark gray in appearance and formed via immersion in a dilute phosphoric acid solution. When completed, these coatings prevent galling and improve break-in properties. 

Keystone Corporation’s manganese phosphate coatings are used in various applications, including the production of bearings, bushings, fasteners and other industrial products.

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Various Applications for this Coating

Due to its properties, manganese phosphate coatings excel in a wide variety of applications, including:

• Serving as a uniform base for paint adhesion
• Good non-metallic crystalline coating, ideal for absorbing oil or wax to enhance corrosion protection.
• Excellent for protecting parts from corrosion or wear
• Helps metal-to-rubber adhesion

Specifications for Manganese Phosphate Coatings

Keystone Corporation’s manganese phosphate coatings meet numerous commercial and government standards, including the following: 

• AMS 2481
• MIL-DTL-16232
• MIL-P-16232
• MIL-STD-171 5.3.1
• TT-C-490
• Commercial and customer-generated specifications

CONTACT KEYSTONE TODAY FOR MORE INFORMATION ABOUT OUR MANGANESE PHOSPHATE COATING

For over 90 years, Keystone Corporation has assisted customers in completing orders ranging from a few specialized pieces to high-volume applications. All finishes are available for both rack and barrel plating applications. We maintain superior quality control throughout the entire finishing process, ensuring top-quality manganese phosphate coating at an affordable cost for any project.

Our experienced staff will provide technical assistance and certificates of compliance with commercial, government, AMS, ASTM, and MIL specifications. At Keystone Corporation, meeting your manufacturing needs is our top priority. Contact us today to receive a personalized quotation based on your specific requirements.