FR4 Copper Clad Laminate Boards is a PCB & PCBA product. Key specs — Origin: China (Mainland).
Product Description
Model No.:FR4-1.6mm Product Origin:China Brand Name: Price Terms: Payment Terms: Certification: Description:Copper Clad Laminate Board is a kind of copper foil covered laminated board formedthrough heat pressing after the electric industry alklifree glass fibre dips intoepoxy resins and is covered with copper foil(s) at one side or both sides.
The thickness: 0.6mm,0.8mm,1.0mm,1.6mm,2.0mm and so on. 1.6mm thickness is most popular.Features:1) Outside appearance:a) The end face of foil covered board should be tidy without any delaminationand crackleb) Any bubble, wrinkle, pin hole, deep nick, pitting and glue spot on the copperfoil covered face is not allowed.
Any color changing or dirty can be easilyremoved by density 1.02 g/cm3 hydrochloric acid or proper organic solutionc) On laminated face, the defects such as bubble, impressed pitting, nick andglue lack and outer impurity which retard its use are not allowed 2) The foil covered board should meet with the requirements of all items of non electricperformance listed at table 2.3) Non performance of insulation basic material after all copper foil removal.a) On insulation basic material, the pitting, cavity hole, glue lack, white spot,loosen or outer impurity (including solid resin grains) which retard its useare not allowed.
The color should be uniform. A little irregular change of coloris allowed b) After all copper foils on the foil covered board are removed according tothe stipulations on Chapter 3 of GB/T4722, the insulation basic material performance should meet with the stipulation on table 3.