Bend Radius

Single Layer Flexi      6 Times Circuit Thickness

Double Layer Flexi   12 Times Circuit Thickness

Multi Layer Flexi       24 Times Circuit Thickness

Layer Thickness  starts at 0.006 thou (0.15mm) 

Conductor Space/Width

0.004thou (0.15mm) minimum

Materials

Cover/Substrate:      Polyimide Film from 0.001 thou (1 mil)

Conductor copper: 

From 9 micron (1/4 oz)

Adhesive

Acrylic, Phenolic, Polyimide Pre-Preg

Electrical Characteristics

Insulation resistance: 100 megomhs @ 25c (77f)  with 0.010thou trace

Dielectric: