UNE EN IEC 61249-2-53:2025
Materials for printed boards and other interconnecting structures - Part 2-53: Reinforced base materials clad and unclad - Ptfe unfilled laminate sheets of defined flammability (vertical burning test), copper-clad (Endorsed by Asociación Española de Normalización in January of 2026.)
Materiales para placas impresas y otras estructuras de interconexión. Parte 2-53: Materiales de base reforzados, con y sin revestimiento. Láminas laminadas de PTFE sin relleno de inflamabilidad definida (ensayo de combustión vertical), revestidas de cobre. (Ratificada por la Asociación Española de Normalización en enero de 2026.)
| Standard number: | UNE EN IEC 61249-2-53:2025 |
| Pages: | 29 |
| Released: | 2026-01-01 |
| Status: | Standard |
UNE EN IEC 61249-2-53:2025
This part of IEC 61249 specifies requirements for properties of PTFE unfilled reinforced laminated sheet of a thickness 0,05 mm up to 10,0 mm, of defined flammability (vertical burning test), copper-clad. This part of IEC 61249 is applicable to the design, manufacture, use of PTFE unfilled reinforced laminated sheet of defined flammability (vertical burning test), copper-clad. Its flame resistance is defined in terms of the flammability requirements of 8.3.