... 2000,GB/T5237-2004stand. 1) Item: anodized aluminium profiles for solar panel frame2) Alloy Temper: 6061,6063,6060,6082T4/T5/T63) ... -2004,GB/T6892-20006) Oxide film:AA10,UM10;AA≥15,UM≥15.7) Fineworkmanship,Goodcurvature,Goodglossiness,Goodappearance,Solidity, strong in corrosion ... resistance8) Die making time:10-15 days.9) Outer diameter:within 200mm.10) Ep paper ...