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Clear Anodize as a Paint Base
Our parts are generally Type III (hardcoat) anodized, sometimes duplex-sealed and sometimes unsealed. Our end-products are subject to sea water, and we try to adhere paint and polyurethane potting compounds to some of the parts. Would paint adhesion or adhesive bonding be enhanced by abrasive blasting prior to anodizing, maybe at 30 to 60 grit?
Read MoreReader Response to Hard, Abrasion-Resistant Coating
A reader responds to a previous Painting Clinic question about hard, abrasion-resistant coatings, and suggests three technologies.
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Ask Rodger Talbert: Applying Metallic Powder
Q: We apply a metallic, silver powder to sandblasted parts, many of which are also processed through a five-stage iron-phosphate wash system. We have a lot of problems with the pigment “bunching” and standing up on the edges, and cannot seem to eliminate the problem.
Read MoreEN and Plating Out
I have a 150-gal electroless nickel bath, and I am having problems with my 316 stainless steel heaters plating out.
Read MoreCoating Process Options
What pretreatment process and conversion coating would you recommend for plating and powder coating on fluid-handling tubes, some of which are bent before powder coating and some after?
Read MoreInspecting Paint Texture
The following question/answer about paint texture inspection was posted back in 2003. Is the answer provided then still valid today?
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Asterion Holding CEF Certification December 9-13
The C.E.F. certification is vital for anyone working in the metal finishing industry as it gives you the knowledge to improve every step of the metal plating process.
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Coating Legend David Wright Passes
Founder and moving force of the Chemical Coaters Association International and a Senior Account Executive for DuBois Chemicals, Wright passed away peacefully at Horizon Hospice with his wife at his side on Friday, October 11.
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Building Trade Groups Fight Over Hot-Dip Galvanized Studs
At issue is the substituting of G40e and G40EQ, which do not meet the 200 hours of salt-spray tests required for conformity to ASTM requirements. G40 studs are coated with 99.7 percent zinc in the hot-dip coating process.
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