1) Gloss: so02813, bs3900, GB / tb9754-18 according to customer's technical requirements; 2) Impact: GB / t1732-93, as37152008, 50kg. Cm; 3) Bending: GB / t9286-88, as1580402.1, is0927, bs3900, passing 3mm; 4) Adhesion: GB / t9286-88, 2mm cross cut pass 100 / 100, as1580408.4, is02409 pass grade 0 5) Erichsen, is01520, bs3900-e4 passing through 3-7mm 6) Pencil hardness: GB / t6739-96, as1580405.1; *Generally, the mechanical properties of outdoor aluminum profile powder coating products are better than those of low-light products;