1. Introduction
FR-4 using imported fiber cloth impregnated with epoxy resin formed by hot pressing, which has a flame retardant,
high temperature resistance, higher mechanical properties and dielectric properties. Mainly applicable to PCB test
fixtures used and the high voltage power distribution, motors, electrical equipment as insulating structural parts,
it is an ideal material for PCB test fixture.
2. Storage
Relative humidity storage environment at 40% - 80% RH, the temperature between 18 ℃-24 ℃, the ground
should be smooth, waterproof, fire, moisture, sunproof, stack height should be no more than 3 levels, or easy
to deform phenomenon.