Last weekend we tried covering a wing with Monocote and could not get the stuff to shrink.  Have any of you guys had this problem?

James

There have been many complaints  voiced to Hobbico about a suspected adhesive change. (EPA driven ??)They deny any product change. Blisters and shrinkage issues are in abundance with the newer stock.  Generally across the board , but some  range of acceptability among  some colors. It has been  widely talked about on the R/C Pattern threads. The consensus there is that it ain't as good as the old stock.

I forgot to add to my comment above, "And after using Ultracote on several  models in the last few years I will never use MonoKote again. Ultracote is superior from just about every perspective, including ease of use as a low-temp or multi-temp coating." My actual MonoKote stock is at least 5 years old and works fine, but even so the Ultracote works even better. I am aware of the reported problems with MonoKote but figured it was a bad run and later runs would be okay. Apparently not.

It is absolutely true that Monokote has changed their product due to EPA requirements.  There is a lot of discussion on the R/C forums about this including date of the change.  I used some of the new Monokote a couple of years ago and did not know of the issues.  I could not believe how difficult it was to use.  And I had been using it for over 30 years.  Then I stumbled on to the threads in the R/C forums and I realized what the problem was.  The R/C community has almost stopped using Monokote completely.  I think Monokote's days are numbered, as it should be, because it is almost impossible to use anymore.  Too bad, I always loved the stuff.  By the way, Coverite has had the same issues due to the EPA.  That was also a great product, but now it's very difficult to get it to adhere without large applications of Balsarite, Stix-it, etc. 

Paul

I started a thread on this over on RC Groups.  After covering with some newly purcahsed Monokote and some old stuff I had around, the new stuff does not shrink as well.  ANd it requires more heat to get it to shrink at all.

I have to try some Ultracote.

Some thing I forgot to mention, is that I usually clean the surface of the monokote that is going to another layer on top of it.  Hardware can of alcohol in gallon cans is what I use.