SMITH FIBERCAST GREEN THREAD ? Piping Systems Bulletin No. A1300 February 15, 2006 PRODUCT GREEN THREAD pipe is filament wound using an amine cured epoxy resin and fiberglass and has a resin-rich liner reinforced with surfacing veil for superior corrosion resistance. GREEN THREAD pipe is available in 1" - 16" diameters for services to 450 psig and temperatures to 225 °F. It is recommended for dil