Manufacturing Industry
Pretreating zinc plated parts.(electrocoat clinic)
Products Finishing, December, 2005 by Jacob, Ron
Q. I would like to know your thoughts on the pretreatment of zinc plated parts prior to cathodic eleetrocoating. We have random defects (blistering after paint cure) and have tried to tie the defect to the zinc plating thickness, cleaning/zinc phosphate parameters with no luck. The current pretreatment system is alkaline clean (120 sec at 150[degrees]F), rinse, condition, zinc phosphate (90 sec at 110[degrees]F), e-coat and cure 20 min at 352[degrees]F. Thanks for your help. M.R.
A. I think you are looking in the right direction but it may not be the zinc plating itself but a clear sealer over the zinc plate. Most platers add a clear chromate sealer over their zinc plate. These clears are normally organic in nature and can/are removed with strong hot...
- 5 Rules for Immediate Annuities
- Death in the Family: 12 Things to Do Now
- Dumbest Things You Do With Your Money
- 6 Online Networking Mistakes to Avoid
- 401(k) Mistakes to Avoid
- 5 Economic Scenarios to Keep You Up at Night
- The Real ‘Best Places to Retire’
- Best Credit Cards for You
- 12 Tough Questions to Ask Your Parents
- The Real ‘Best Colleges’
- Home Buyer Tax Credit: How to Cash In
- Why You Shouldn't Bash Cash
- 8 Phony 'Bargains' and Better Alternatives
- Danger: 3 Debit Card Scams to Avoid
- 6 Myths About Gas Mileage
- 29 Fees We Hate Most
- Quick and Easy Ways to Boost Returns
- Best Stocks to Buy Now
- Lower Your Taxes: 10 Moves to Make Now
- New Jobs: 8 Lessons from Real-Life Career Switchers
- The New Job Market: Who Wins and Who Loses?
- Health Care Reform's Public Option: Everything You Need to Know
- Volunteer Work When Unemployed: Should You Work for Free?
- Whose Recovery Is This?
- Long-Term-Care Insurance: 4 Biggest Risks to Avoid
Most Recent Business Articles
- Multiple criteria evaluation and optimization of transportation systems
- Multi-criteria analysis procedure for sustainable mobility evaluation in urban areas
- A two-leveled multi-objective symbiotic evolutionary algorithm for the hub and spoke location problem
- Multi-criteria analysis for evaluating the impacts of intelligent speed adaptation
- The development of Taiwan arterial traffic-adaptive signal control system and its field test: a Taiwan experience
Most Recent Business Publications
Most Popular Business Articles
- 7 tips for effective listening: productive listening does not occur naturally. It requires hard work and practice - Back To Basics - effective listening is a crucial skill for internal auditors
- LIFO vs. FIFO: a return to the basics
- FAS 109: a primer for non-accountants - Financial Accounting Standards Board's "Statement 109: Accounting for Income Taxes"
- Too Young to Rent a Car? - 25-years-old the minimum age for car renting - Brief Article
- Design a commission plan that drives sales - Sales Commissions
Presented by American Express