What Are The Materials Used For Aluminum Alloy Windows?

Thickness

There are two kinds of aluminum alloy Sliding doors, 70 series and 90 series. The aluminum alloy sliding Doors in the house can be used in the 70 series. The series number represents the mm of the thickness of the door frame. There are four kinds of aluminum alloy sliding windows: 55 series, 60 series, 70 series and 90 series. The selection of the series should be based on the size of the window opening and the local wind pressure value. The aluminum alloy sliding windows used as closed balconies should not be less than 70 series.

Strength

The tensile strength should reach 157 Newtons per square millimeter and the yield strength should reach 108 Newtons per square millimeter. When purchasing, you can bend the profile moderately with your hands, and it should return to its original shape after letting go.

Chroma

The color of the same aluminum alloy profile should be consistent. If the color difference is obvious, it is not suitable for purchase.

Flatness

Check the surface of the aluminum alloy profile, there should be no depression or bulge.

Gloss

For aluminum alloy doors and windows, avoid purchasing profiles with open air bubbles (white spots) and ash (black spots) on the surface, as well as obvious defects such as cracks, burrs, and peeling.

Degree of oxidation

The oxide film thickness should reach 10 microns. When purchasing, you can lightly scratch the surface of the profile to see if the oxide film on the surface can be wiped off.

JBDhome is mainly engaged in all kinds of aluminum alloy doors and windows, such as: aluminum Sliding doors, glass sliding windows, aluminum glass folding doors, aluminum Garage doors, Aluminum casement windows and many other products.