Pietenpol-List: DuPont 222S Sealer

An archive of the Matronics Pietenpol Listserve.
Locked
matronics
Posts: 81779
Joined: Sat Mar 18, 2017 8:29 am

Pietenpol-List: DuPont 222S Sealer

Post by matronics »

Original Posted By: "BELLISSIMO, DOMENIC"
Subject: Pietenpol-List: DuPont 222S Sealer>The MEK (methyl ethel kytone) solvent found in most>aircraft finishing systems will attack regular varnish and >primers (zinc chromate, automotive, etc..unless 2 part)>however there is a way around this. My entire Piet was>varnished in Helmsman polyurethane by Minwax and left to>cure for about 2 months. The metal parts were all primed>in spray can zinc chromate and left to cure. All the wood and>metal parts were then sprayed with a light coating of DuPont>222S sealer it's called from the automotive paint store.>That sealed the parts against attack from MEK. This is how>the older wise owls out at our local strip do it.>The advantage with the two part systems though is you don't have>to wait for cure times. >>Mike C. >>________________________________________________________________________________
matronics
Posts: 81779
Joined: Sat Mar 18, 2017 8:29 am

Pietenpol-List: DuPont 222S Sealer

Post by matronics »

Original Posted By: Earl Myers
The MEK (methyl ethel kytone) solvent found in mostaircraft finishing systems will attack regular varnish and primers (zinc chromate, automotive, etc..unless 2 part)however there is a way around this. My entire Piet wasvarnished in Helmsman polyurethane by Minwax and left tocure for about 2 months. The metal parts were all primedin spray can zinc chromate and left to cure. All the wood andmetal parts were then sprayed with a light coating of DuPont222S sealer it's called from the automotive paint store.That sealed the parts against attack from MEK. This is howthe older wise owls out at our local strip do it.The advantage with the two part systems though is you don't haveto wait for cure times. Mike C. ________________________________________________________________________________
matronics
Posts: 81779
Joined: Sat Mar 18, 2017 8:29 am

Pietenpol-List: Re: DuPont 222S Sealer

Post by matronics »

Original Posted By: Michael Cuy
IRON; i PRINTED THIS OUT FOR FUTURE REF. NICE TO KNOW THIS END RUN STUFF!-----Original Message-----
Locked