wood grain bridge-cut-off Aluminum extruded Profiles for door and window

Executive National Standard:

GB5237.4-2008

Status of Alloy Brand:

6063 T5

Ingot Casting Status:

Non-ferrous metals industry standard YS/T67-2005

Chemical Composition:

National Standard GB/T3190-2008

Size and Tolerance:

GB5237.1-2008 high precision grade

Minimum local thickness of coating on the decorative layer:

≥40um

Hardness of indentation

≥80

Adhesiveness of coating:

Dry and wet and boiling-water adhesiveness of paint film is up to 0 grade

Shock resistance of coating:

No cracking or peeling after shock test

Salt Spray Resistance of Coating

The penetration and corrosion width of single side under film at two sides of marking line can not exeed 4mm

Mortar Resistance of Coating:

No peeling phenomenon after mortar test, without obvious change on appearance

Type of surface

High-light, half light, matt

color

Optional RAL colours (200 types)

Executive National Standard:

GB5237.3-2008

Status of Alloy Brand:

6063 T5

Ingot Casting Status:

Non-ferrous metals industry standard YS/T67-2005

Chemical Composition:

National Standard GB/T3190-2008

Size and Tolerance:

GB5237.1-2008 high precision grade

Thickness of Composite Membrane:

Local thickness of A–grade oxide film≥9,of paint film≥12,and of composite membrane≥21

Local thickness of B –grade oxide film≥9,of paint film≥7,and of composite membrane≥16

Local thickness of S –grade oxide film≥6,of paint film≥15,and of composite membrane≥21

Alkaline resistance of composite membrane:

≥9.5 grade

Abrasive resistance of composite membrane:

A-grade≥3300g,B-grade≥3000g,S-grade≥2400g

Coating adhesion

Dry and wet adhesiveness of paint film is up to 0 grade

Film hardness:

Hardness of A and B grades≥3H and of S-grade

Type of surface;

Matte, plain glass

Color:

Silver,bronze,champagne,black