Manganese Phosphate & Chrome-Free Conversion Coating Services

Custom Coating, Inc. provides high-volume manganese phosphate and chrome-free conversion coating services for steel, iron and aluminum components. Our Auburn, Indiana facility supports automotive, industrial, heavy equipment and OEM manufacturers with consistent processing, responsive service and production capacity.

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ISO 9001:2015 Certified | CQI-12 Assessed | Auburn, Indiana

Metal Finishing & Coating Services

Custom Coating, Inc. provides high-volume metal finishing services for manufacturers in automotive, industrial and other demanding markets. Our capabilities include manganese phosphate coating for steel and iron, chrome-free conversion coating for aluminum, shot blasting and vibratory deburring.

Since 1986, we have helped manufacturers meet demanding production, quality and specification requirements with dependable processing and responsive service.

Custom Coating at a Glance

Production capacity, quality systems and manufacturing experience built to support demanding metal finishing requirements.

64,000 SQ. FT.

Production Facility

MILLIONS OF PARTS

Monthly Processing Capability

UP TO 750 LBS.

Per Manganese Phosphate Load

ISO 9001:2015

Certified

CQI-12

Assessed

SINCE 1986

Manufacturing Experience

Industries & Applications We Support

Our coating and finishing processes support manufacturers producing components for demanding applications where consistent processing, performance and quality matter.

Automotive & Transportation

Production components requiring dependable coating and finishing processes.

Military & Defense

Components requiring reliable finishing processes and adherence to demanding military specifications and requirements.

Industrial Manufacturing

Metal components requiring consistent processing for demanding production applications.

Heavy Equipment & Machinery

Durable components produced for demanding equipment and industrial environments.

Specifications We Support

Custom Coating supports a range of military, automotive, OEM and industry specifications for manganese phosphate and aluminum conversion coating applications.

Manganese Phosphate

Aluminum Conversion Coating

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Technical Capabilities for Demanding Requirements

Custom Coating works with manufacturers whose parts must meet specific coating, performance and production requirements. Our team can review drawings, material requirements, coating specifications and processing needs to help determine the right finishing process for your application.

Whether you are developing a new program or evaluating an existing process, we work with you to understand the requirements of the part and the intended application.

We Can Review Requirements Including:

  • Manganese phosphate requirements
  • Automotive and OEM specifications
  • Military and industry specifications
  • Coating weight and oil treatment requirements
  • Corrosion protection requirements
  • Customer-specific processing requirements

Have a Project or Specification to Review?

Whether you are developing a new component, transferring an existing program or evaluating coating options, our team is ready to discuss your requirements and help determine the right process for your application.

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