Place of Origin : Wuxi,China
Post Date : 07-05-2013
Expiry Date : 07-06-2015

FR-4 (or FR4) Is A Grade Designation Assigned To Glass-reinforced Epoxy Laminate Sheets, Tubes, Rods And Printed Circuit Boards (PCB). FR-4 Is A Composite Material Composed Of Woven Fiberglass Cloth With An Epoxy Resin Binder That Is Flame Resistant (self-extinguishing).