On Feb 24, 4:28 pm, "Kyle Boatright" wrote:
Our EAA chapter had a fabric covering seminar today, so of course, we got
off-topic very quickly and delved into the issue of keeping 4130 structures
from corroding, even in a fairly short timeframe after surface rust has been
blasted or sanded away but before priming.

Is there any reason not to use a phosphate conversion coating immediately
after cleaning up the steel? Would this protect it for a week (or a month)
before the steel was primed?

KB

A product that works great for this is Rustlick 631.

http://www1.mscdirect.com/CGI/NNSRIT...MT4NO=18687474

Several aircraft manufactures use it. After the steel cools to room
temp, wire brush and spray it on.

Colin

http://www.jumprunenterprises.com