How to Distinguish the Quality of Bridge-Cutoff Aluminum Alloy Doors and Windows?


We should pay special attention to quality problems when choosing Bridge-cutoff aluminum alloy doors and windows when installing houses.

So how to distinguish the quality of bridge-cutoff aluminum alloy doors and windows?

I. Look at the surface quality of profiles

the quality of the profile can be observed from the surface of the Broken Bridge aluminum profile. The surface of the good Broken Bridge aluminum profile is glossy and textured, and the surface spraying color treatment will also be natural, and it feels smooth when looking at it; Secondary broken bridge aluminum doors and windows the surface is rough, not shiny, looks unnatural, after using it for a period of time, it is poor broken bridge aluminum doors and windows there will be discoloration or fading, and the color will not be full.

Second, look at the profile section structure

OK broken bridge aluminum doors and windows the geometric angle of the profile section is accurate, the profile will not be bent and twisted, and the angle is correct. And the thickness of the cut surface is sufficient, for example, the 60 model you customized broken bridge aluminum doors and windows, 60 refers to the thickness of the profile is 6 centimeters, and these 6 centimeters are divided into full broken bridge aluminum materials, and the proportion of threading is small; broken bridge aluminum doors and windows, 60 profiles with virtual support will be used, and the thickness will be supported by wearing strips. The material of aluminum is relatively small.

3. Look at the heat insulation strip of the profile

insulation strips are imported and domestic. Most domestic insulation strips are made of plastic PVC, while imported insulation strips are made of polyamide, that is, nylon insulation strips. Good quality broken bridge aluminum doors and windows, the imported heat insulation strip adopted has better high temperature resistance and low temperature resistance, and low heat conduction value, which can better realize the effect of heat insulation, environmental protection and energy saving, and can save 20%-30% of energy.

4. Good horse with good saddle-good broken bridge aluminum doors and windows must be equipped with hardware accessories

the above three points teach you how to distinguish the quality of broken bridge aluminum profiles, if you really want a good one broken bridge aluminum doors and windows, that must be equipped with hardware accessories.

As the saying goes, "good horses match good Saddles" and "People rely on clothes and horses to saddle". Under the condition of ensuring that the quality of aluminum profiles with broken bridges is no problem, broken bridge aluminum doors and windows the finished product has to be matched with good hardware accessories. The quality of accessories determines the flexibility and service life of doors and windows.

Good hardware accessories, can guarantee broken bridge aluminum doors and windows it is flexible to open, the seal is intact, and it will not sink after being used for a long time, resulting in the problem of not being tight.

The second is to see whether the color and smoothness of bridge-cutoff aluminum alloy doors and windows are consistent. Pay attention to aluminum alloy doors and windows to avoid choosing profiles with open bubbles (white spots) and Ash (black spots) on the surface, as well as obvious defects such as cracks, burrs, peeling, etc.