Rodger Talbert Columnist
Fast Color Change
Our powder booth takes about 30 min to change from one reclaim color to another. We are thinking of making a change, but I wondered how much production time we could gain if we invest in new equipment. What are my options, and how fast can you change color in a powder booth?
Read MoreCoating Methods to Avoid Rust
We manufacture basketball equipment that is used outdoors. Presently, we powder coat the equipment, but have had issues with rusting, especially in coastal and humid climates. Do you have any ideas for how to avoid the rust?
Read MoreVolcanoes in the Coating
We are seeing a defect in one of our smooth gray powder coatings that looks like little volcanoes and is in no repeatable pattern.
Read MoreRequirements for Coating Aluminum
Q. I wish to powder coat a part that is die cast aluminum used for exterior luminaire housings. My question is can you explain the basic processes prior to coating and do I need to specify a special powder or are all powder coating materials rated for the same temperature in use?
Read MorePOWDER COATING: Conversion to Zirconium Pretreatment
Q: We’re considering conversion of our washer from iron phosphate to a new zirconium product ...
Read MorePinholes in Powder
We have a problem with a concentration of fine, dense pinholes in our powder film. The coating is a urethane-polyester that is applied over a part that has been electro-coated. The substrate is sheet metal. The problem is much worse when the powder film is heavier.
Read MoreMetal Preparation of Steel
We are planning to powder coat the part with a TGIC polyester, but we do not have a system yet. Will it be acceptable to blast the surface and not add any chemical pretreatment? Do I need a primer coat under the TGIC polyester?
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The Powder Coating Process
Powder coating is one of the most durable finishes that can be applied to industrial manufactured products, and offers excellent corrosion protection and is very safe because of its lack of volatile organic compounds. To understand the powder coating process you should start with the fundamentals.
WatchMasking Options for Raised Numbers
We have an aluminum casting that is 18 × 12 inches with raised numbers on one edge. I want to powder coat it if I can find an easy way to leave the tops of the lettering bare aluminum.
Read MoreHow to Remove Old Powder from Parts
If a part is already powder coated, how is the powder coat stripped before e-coating, if not by shot blasting? Does it need to go through an oven? Dip in a tank?
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