IEC 60249-2-7:1987 Base materials for printed circuits; part 2: specifications; specification No. 7: phenolic cellulose paper copper-clad laminated sheet of defined flammability (vertical burning test)
Gives the requirements for properties of base material of defined flammability in thicknesses of 0.5 mm up to 3.2 mm. Specifies the requirements for material and construction, internal marking, electrical and non-electrical properties of the copper-clad
IEC 60249-2-7:1987 history
1970IEC 60249-2-7:1987/AMD4:2000 Amendment 4 - Base materials for printed circuits. Part 2: Specifications. Specification No. 7: Phenolic cellulose paper copper-clad laminated sheet of defined flammability (vertical burning test)
1970IEC 60249-2-7:1987/AMD3:1994 Amendment 3 - Base materials for printed circuits. Part 2: Specifications. Specification No. 7: Phenolic cellulose paper copper-clad laminated sheet of defined flammability (vertical burning test)
1970IEC 60249-2-7:1987/AMD2:1993 Amendment 2 - Base materials for printed circuits. Part 2: Specifications. Specification No. 7: Phenolic cellulose paper copper-clad laminated sheet of defined flammability (vertical burning test)
1987IEC 60249-2-7:1987 Base materials for printed circuits; part 2: specifications; specification No. 7: phenolic cellulose paper copper-clad laminated sheet of defined flammability (vertical burning test)
IEC 60249-2-7:1987 Base materials for printed circuits; part 2: specifications; specification No. 7: phenolic cellulose paper copper-clad laminated sheet of defined flammability (vertical burning test) was changed to IEC 61249-2-2:2005 Materials for printed boards and other interconnecting structures - Part 2-2: Reinforced base materials, clad and unclad - Phenolic cellulose paper reinforced laminated sheets, high electrical grade, copper-clad.