Country standard: GB5237. 6 -004.
Alloy trademark and condition: 6063 T5.
Ingot casting condition: Nonferrous metals industry standard YS67 - 93.
Chemical composition: National standard GB/T3190 - 96.
Size and its allowable deviation: National standard GB5237. 1 -2004 (High precise grade).

Coating adhesive force: The specification experiment achieves the zero order.
Coating bears assaulting force: After the impact test does not have the crack or falls off.
Spreads bear the salt mist: The corrosion class should in leave draws a line in 2mm.
Coating bears the mortar: After the mortar experiment does not have the flaking phenomenon, the outward appearance not obvious change.
Coating luster: Lightest, light, sand surface.
Color: The RAL no matter which color chooses (200 patterns and more).