DS DS/EN 60249-2-7/A4
DS DSEN 60249-2-7A4 2001-OCT-15 Base materals for prnted crcuts - Part 2 Specfcatons - Specfcaton No 7 Phenolc cellulose paper copper-clad lamnated sheet of defned flammablty vertcal burnng test
DS DSEN 60249-2-7A4 2001-OCT-15 Base materals for prnted crcuts - Part 2 Specfcatons - Specfcaton No 7 Phenolc cellulose paper copper-clad lamnated sheet of defned flammablty vertcal burnng test
Gives requirements for properties of phenolic cellulose paper copper-clad laminated sheet, of defined flammability, in thicknesses of 0.5 mm up to 3.2 mm. The sheet consists of an insulating base (phenolic resin bonded cellulose paper laminate) with metal foil bonded to one or both sides.