Curtain wall panel :(single-sided copper and aluminum composite board) number - state T2/1100-H24.

Common specifications: 1.5-3.0 +-0.05 width <=1000 0, +2.

Common appearance benchmarks:

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

Adhesion aluminum: allow online polishing, color shading after polishing, preparation of quality inspection records;

Bare aluminum : no periodicity and less than 5 points per 100 meters;

Oxidation: the entire volume of intermittent oxidation is not allowed;