PVC pipe associations you can contact:
PPFA (Plastic Pipe & Fittings Assoc.)
Unibell Association
PPI (Plastics Pipe Institute, Div. of SPI)
(all have web sites)
Also, with your search engine, access key words (PVC Pipe,
Rigid PVC Extrusion, PVC Pipe compounds/formulations,
PVC Pipe Properties, etc.,etc.,etc.) and see what surfaces!
Skip:)
PVC and Other Resins Forum Moderator
[email protected]
"The faster I go, the behinder I get!" Penn. Dutch saying.

