Polybutylene Home › Forums › Archives › Old Bulletin Board Archives › Polybutylene This topic has 0 replies, 1 voice, and was last updated 21 years, 9 months ago by Roger Gosselin. Viewing 0 reply threads Author Posts 22 May 1999 at 5:45 am #282374 Roger Gosselin I am trying to find PB Manufacturers during late 70s to early 80s; so far the only one I have found is Qest??? Were there others????Please help. Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.