SSH EN 61249-2-23:2005

Materialet për qarqet e stampuara dhe strukturat e tjera të interkonjeksionit — Pjesa 2-23: Materialet bazë të përforcuar, të veshura dhe jo të veshura — Fletë të laminuara të përforcuara me letër celuloze fenolike johalogjene, me cilësi ekonomike, të ves

Materials for printed boards and other interconnecting structures - Part 2-23: Reinforced base materials, clad and unclad - Non-halogenated phenolic cellulose paper reinforced laminated sheets, economic grade, copper-clad

Scope

This part of EN 61249 gives requirements for properties of non-halogenated phenolic cellulose paper copper-clad laminated sheets, economic grade, in thicknesses of 0,8 mm up to 3,2 mm. This standard covers materials with different requirements on flammability and are designated according to the following: Material 61249-2-23-1: general purpose grade, requirement on flammability not specified; Material 61249-2-23-2: materials of defined flammability (vertical burning test). These grades of material provide for one of two flammability requirements and designated as FV0 or FV1 in Table 8.