Polybutylene Home › Forums › Archives › Old Bulletin Board Archives › Polybutylene This topic has 0 replies, 1 voice, and was last updated 25 years, 4 months ago by Jason Bartholomew. Viewing 0 reply threads Author Posts 17 Dec 1998 at 7:19 am #281206 Jason Bartholomew Our Company is looking for polybutylene tubing- sizes of 3/4 (in rolls preferably), 3/8 and 1/2. We use it effectively for drinking water systems. Author Posts Viewing 0 reply threads The forum ‘Old Bulletin Board Archives’ is closed to new topics and replies.