Pretreatments
Pinholes in Nylon
We are evaluating the use of nylon 6 as a replacement for nylon 11 and 12 powder coatings. In the course of our work we are experiencing a great deal of pinholing on the test panels.
Read MoreRust on Powder Coated Steel
Is there a remedy at this point that can be used to repair the rusty look? Can the powder coater redo the affected area?
Read MoreBlistering Paint
My company produces cold rolled steel equipment boxes for both interior and exterior use. Indoor boxes are fabricated from cold rolled steel and outdoor boxes are fabricated from hot dip galvanized steel. After we upgraded our finish system from alkyds to polyesters, we had problems on the hot dipped galvanized boxes in the form of blisters.
Read MoreSmoothing Rough Castings
Do you have a coating that would be easy to apply and quick drying that would improve the appearance of our castings and eliminate the hand grinding?
Read MoreAdhesive Bonding Aluminum
What is the best pretreatment for the aluminum surface for maximum corrosion resistance and adhesion, recognizing that specific primers are recommended by adhesive suppliers for their systems?
Read MoreAdhesion Failure on Aluminum
We powder coat aluminum bench seats in 6061 and 6063 alloy and structural steel parts on the same line. We have had trouble with periodic adhesion failure on the aluminum parts.
Read MoreQuestions and Answers for Painting Anodized Aluminum
We paint parts made of anodized aluminum. Suddenly, we are having a problem with paint adhesion. Is this an adhesion problem? What are the pros and cons of painting anodized aluminum?
Read MoreSpot Weld Marks
On certain sheet metal parts made of 16-gauge cold rolled steel, we have trouble with spot weld marks showing through the paint finish. How do we eliminate this problem?
Read MoreWhen Help is Needed, Call out the Cavalry ... or Calvary Chemicals
Teams of Calvary employees and their families—more than 50 people in October alone—volunteer weeks at a time to provide care for orphans in Monterrey, Mexico through a partnership they have developed through Back2Back Ministries(back2backministries.org). This is not something that company president John Morelock just recently decided to undertake. He has been spearheading the effort since 2004, sponsoring mission trips for employees and their friends and family, providing opportunities to serve alongside Back2Back, and ultimately empowering sustainable long-term change for orphans.
Read MorePainting Over Zinc Chromate
What is the best method of painting over 6061 Al that is covered with zinc chromate?
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