... per customer's demands ! CERTIFICATE :ISO9001:2000, ISO14000, ROHS, SGS 1. ALUMINIUM ALLOY :1000 series : 1020,1060,1100,1150,1170,1175 ... ,H16,H18,H24,H32 , F ,T etc3.THICKNESS : 0.2-1.5MM4.WIDTH ; 50-2200MM5.WEIGHT: 400-3500kg.6.INTER DIAMETER ... % 11. HARDNESS OF PENCIL : ≥3H 12. ADHENSION : no lower than class 1 13. MEK: ≥150 times 14. IMPACT RESISTANT : no cracking and ...