Copper gate material :
(single-sided copper and aluminum composite plate) plate number - status T2/3003 - H24.

Common specifications: <= 0.6 +-0.02, 0.6-1.0-0.04 width: <=1000 +-5.

Common appearance benchmarks:

Scratches: no hand feeling after the slight polishing of baijie cloth;

Plate type: no obvious wave;

Adhesion aluminum: allow online polishing, polishing and colorless color, need to record the remarks;

Color difference: no abnormal coloring;

Other: batch defects inconsistent with normal, report to superiors;

Performance benchmark: tensile strength: >= 150 Mpa bending: no orange peel crack;