Form

This specification covers a polyester resin in the form of a film clad on one or both sides with copper foil.

Application

The product has been used typically as a base material for fabrication of flexible printed wiring for electronic circuit applications operating in the range -65 to +105 °C (-85 to 221 °F), but usage is not limited to such applications.

Classification

Product covered by this specification is classified as follows:

Type 1 - Copper clad on one face

Type 2 - Copper clad on both faces

The type supplied shall be the type ordered.