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-   -   dope not sticking (https://www.rcuniverse.com/forum/questions-answers-154/7380804-dope-not-sticking.html)

khelsea 04-16-2008 07:13 AM

dope not sticking
 
I had to replace a panel of solartex on my beaver using buytrate clear w/ talcum to fill the weave and it''''s not sticking to it. Tightens up and lets loose of the surface. HELP!!!!!
Khelsea

Live Wire 04-16-2008 08:41 AM

RE: dope not sticking
 
khelsea
Bad news I have had the same thing happen [:@] The dope seems to disolve the glue backing on the covering and it lets go. Not compatable with each other unless put on in thin coats where it dries before it has a chance to disolve the glue. I would check the rest of the covering to see if is stuck [&o]

khelsea 04-16-2008 09:16 AM

RE: dope not sticking
 
No thats not it. The dope isn''t staying stuck to the solartex. The rest of the plane was shot with nitrate w/talcum and is fine. Now that I''ve swithched to buytrate without nitrate under this showed up. Do I need to udercoat w/ nitrate or is it a problem with too quick flashoff of the thinner? Khelsea

firstplaceaviator 04-16-2008 10:17 AM

RE: dope not sticking
 

or is it a problem with too quick flashoff of the thinner?
Your on the right track. Add a few drops of Butyrate Retarder (or MEK) to your dope. That will slow down the drying time and allow the coats to bond to each other.
Doug


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