I used have used system three water based with just a respirator (on boats). If you are spraying stuff like Awlgrip then forced air is the way you should go. Those Isocyanate's (sp?) are bad stuff.
HJ Stephen Teate wrote: > A question for the guys that have already painted their planes with > polyurethane. Everything that I have read so far says that a forced air > respirator is absolutely required. True or not? > > > > Stephen Teate > > Paradise, Texas > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > >