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IEC 61249-3-6 ED1

Materials for circuit boards and other interconnecting structures - Part 3-6: Sectional specification set for unreinforced base materials clad and unclad - Polytetrafluoroethylene (PTFE) filled laminate sheets of defined flammability (vertical burning test), copper-clad

General information

50.60     Apr 17, 2026

IEC

TC 91

International Standard

31.180  

Scope

IEC 61249-3-6 ED1 specifies requirements for properties of polytetrafluoroethylene (PTFE) filled unreinforced laminated sheet of a thickness 0,02 mm up to 3,2 mm, of defined flammability (vertical burning test), copper-clad.
This document is applicable to the design, manufacture, use of PTFE filled unreinforced laminated sheet of defined flammability (vertical burning test), copper-clad.
Its flame resistance is defined in terms of the flammability requirements of 8.3.

Life cycle

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PROJECT
IEC 61249-3-6 ED1
50.60 Close of voting. Proof returned by secretariat
Apr 17, 2026

National adoptions

Materials for printed boards and other interconnecting structures - Part 3-6: Sectional specification set for unreinforced base materials, clad and unclad - Ptfe filled laminate sheets of defined flammability (vertical burning test), copper-clad

50.60   Close of voting. Proof returned by secretariat

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