Phosphating before powder coating

Cleaning & phosphating before powder coating of metal chair frame July 2014
SIICL Samuel NGUY [e-mail]

[@abhishekjoneja8738]

i see multiple chemicals...what chemical was used for dipping to remove rust ?

[@GopalBharuka]

how do u make sure water does not penetrate through weldings during this phosphating process?

[@samgarling]

What do you meant ‘don’t penetrate through welding’?

[@PankajKumar-vi6rp]

Hello Recently , I had visited a plant where seat is powder coated after phosphating . After phosphating there is some redness on the panel and it is more clear when passed through oven . What could be possible reason for this ???.

[@samgarling]

@@PankajKumar-vi6rp rust??

[@rickyrodriguez8953]

Can you explain the process

[@samgarling]

to increase corrosion protection - prevent rusting