China – If people want to confirm whether the aluminum windows or doors they will purchase have high quality, they need to carefully check the quality of China aluminum profile which used for making these windows and doors. Now, the famous China aluminum extrusion profiles supplier Foshan Honstar Aluminum Products Co., Ltd will teach people the basically information for this.
There are mainly six areas which people can refer to check the quality of the aluminum windows. The following content contains these factors.
The aluminum sliding doors and windows mainly contain 70 and 90 series. For the residential interior used, the 70 series of aluminum sliding doors and windows is the perfect choice. Some people should have such problems about the number such as 10 and 90. These numbers represent the mm thickness of the structure size of these products. The common aluminum sliding windows and doors include 55, 60, 70, 90 and other series. The selection for different options for these sizes should depend on the local weather condition such as the wind pressure. However, the thickness for Aluminum profile which could be used for the enclosed balcony aluminum sliding windows should not be less than 70.
This is another crucial point that each purchase need to take into consideration. The tensile strength of the aluminum window profiles of these windows and doors should reach to 157 newtons per square millimeter. At the same time, the yield strength should reach to 108 newtons per square millimeter. In the purchasing process, people could moderately curve the profiles of these windows and then see whether they could recover to original shape after stop the bending.
Every part of one aluminum profiles on windows and doors should be in the same color. If people could find greatly color difference, people should be careful as it should be the low quality products.
Level of Flatness
Consumer should carefully check the surface of these aluminum profiles on windows and confirm whether there are dents, bulges or other weaknesses on these products.
In general, the passable aluminum windows or doors should own the oxide film which thickness can reach 10 microns. For this factor, each consumer could slightly scratch the surface of aluminum window profiles to see whether it can wipe out the surface of the oxide film when they are purchasing them. The low quality products usually have very thin Oxidation film. Please carefully remember this point.
If the product could meet with all factors above, people could purchase them by setting their mind at rest.
About Foshan Honstar Aluminum Products Co., Ltd www.honstaralu.com
We are the most professional China aluminum profile and aluminum extrusion factory, offer high quality aluminum profile in competitive price, huge existing module and fast delivery!
Foshan Honstar Aluminum Products Co., Ltd
Tel: 0086 757 83600305
Fax: 0086 757 83600302