Aluminium curtain wall

Glossiness(ASTMD523 60° )

25-35

Hardness(ASTMD3363)

2H

Adhesion(HG/T7397-2005)

<= 1

Impact resistance(HG/T7397-2005)

qualified

Wear resistance test(HG/T7397-2005)

3.8

Acid resistance(ASTMDB08)

No bubbles for 15 minutes

Resistant to detergent

No bubbles for 72 hours

Salt spray resistance(ASTM B117)

Not more than 1/32 inch erosion

Moisture resistant(ASTM D714 D2247)

No bubbles

Weather resistance

Aluminium curtain wall after 10 years,Retention rate>=50%