September 2001 ISSUE

COVER STORY

Cadmium and Chromium Substitutes

Question: Where can I find some up-to-date information on various substitutes for cadmium and chromium?

FEATURES

Electroplating

Anodizing Emission Rates

Question: I am trying to find information about anodizing emission rates.

Electroplating

Bright Dip for Stainless Steel - Safety Warning

The July 2001 issue of this column gave a formulation for the bright dipping of stainless steel.

Electroplating

Cadmium and Chromium Substitutes

Question: Where can I find some up-to-date information on various substitutes for cadmium and chromium?

Electroplating

Chromate Conversion Coatings and Temperature Revisited

Another reader pointed out that the QQ-P-416, Type II, Class 2 specification clearly states that the conversion coating is not intended for long-term exposure to temperatures over 150F or to intermittent exposure over 300F.

Powder Coating

Coating Dock Hardware

Question: I am looking for information about how powder coating compares to hot dip galvanizing in terms of protection and cost.

Powder Coating

Corrosion Resistant Powder Coatings

Question: Some of the outdoor equipment (switchgear, transformers, etc.) we make is mounted in extremely corrosive atmospheres in Korea.

Dot Commentary: Introducing... ShowBuilder!

Here at Products Finishing, we're always looking for new ways to use the Internet to enhance the real-world experience of our readers.

Electrocoating

Electrocoat Consultant

Question: How can I find a job shop electrocoater or consultant?

Liquid Coating

Electrocoating Powdered Metal Parts

Question: Can powdered metal parts be electrocoated?

Electroplating

Mixed Parts

Question: We specialize in decorative chromium using the classic copper/nickel/bright nickel/chromium process.

On My Mind: Opportunity Awaits

Traditionally, shops tended to perform one type of finishing operation - plating, painting, mechanical finishing, etc.

Perspectives: How Will They Know if We Don't Tell Them?

Please don't ask me why, but there are times when I sit and think about all the ways finishing is involved in life. (Maybe it's because the fish aren't biting.) Of course there are the obvious ways: car, appliances, computer, fishing lures.

Electroplating

Plating on Powdered Metal

Question: We are trying to plate some parts made of powdered metal.

Preventing Leaks in PVC Piping

Question: We use a bleach solution to treat cyanide and a caustic solution to raise pH in our wastewater pretreatment system.

Profile of a Pretreatment System

Profiles, Inc., moved to a new facility, installed a new cleaning line and doubled its capacity. The new line also gave the company greater flexibility when choosing a custom coating based on surface preparation or other variables...

Recovering Electropolish Solution

Question: My company uses a proprietary solution to electropolish stainless steel and incolloy components.

Liquid Coating

Reducing Compressed Air Costs

Users of compressed air can improve energy efficiency, start and stop motors repeatedly and reduce maintenance costs and noise levels with rotary screw compressors incorporating variable frequency drives…