Is a felted mat bonded, fibres are 0.5” - 2”(10mm-50mm)
Long and loosely holding together with an emulsion or powder soluble with resin binder. Specifically in orthophthalic and isophthalic, polyester, vinylester, epoxy. Flame retardant and corrosion resistant resins.
C-Glass, E-Glass are both used commonly,depending on the application of the pipe.