Metal Coating Services in Houston, Texas

Chemical Conversion Coating (When Bonding and Corrosion Resistance is Critical)

  • MIL-DTL-81706B Type II, Class 3, Non Hexavalent Chromium
  • MIL-C-5541 Class 1A & 3

Metal Coating - Chromate ConversionChemical conversion coating leaves no measurable build-up on the part and provides excellent corrosion resistance. In many paint or adhesive applications, chromate is used as a base for superior bonding. The coating is conductive and offered in yellow iridescent to clear iridescent. Electrical resistance increases with the darkness of the yellow color.

Applying chemical solution to clean aluminum produces a thin, gel-like film, which is an integral part of the metal itself, but converted to a non-metallic form.

Chemical treatments (sometimes called chemical film) produce effective paint bonds through molecular adhesions with the film being bound to the metal, in turn offering the same type of adhesion to the organic coating. The film lengthens the life of the paint, forming an effective barrier against corrosive attack through pores or scratches in the paint.


Metal Finishing Services

Surface Techniques, Inc.
1545 Blalock Road
Houston, Texas 77080

Phone: (713) 932 - 8050
Fax: (713) 932 - 1932

Monday-Friday 8:00am-2:30pm