How to maintain aluminum alloy doors and windows in the rainy season?
The rainy season is a nightmare for all doors and windows, especially the rainy days will have a great impact on the sealing of aluminum alloy doors and windows. Aluminum alloy doors and windows are the first line of defense for shelter from wind and rain. In addition to ensuring quality, the maintenance and cleaning of aluminum alloy doors and windows are also essential. So how to maintain aluminum alloy doors and windows in the rainy season?
2023-12-15
On June 15, the State Council Information Office held a press conference on the operation of the national economy in May 2023. Fu Linghui, spokesperson of the National Bureau of Statistics and Director of the Department of Comprehensive Statistics of the National Economy, answered reporters' questions and said that from the next stage, as the economy The recovery is improving, the policy of stabilizing the real estate market is effective, the market is expected to improve, and the real estate market is expected to gradually stabilize.
2023-10-26
The use of aluminum is very important, every detail can not be ignored. And what are the aluminum models, now let's take a look at it. Aluminum models are mainly 1100, 2011, 3003, and 4A01.
2023-10-26
How to maintain aluminum alloy doors and windows in the rainy season?
The rainy season is a nightmare for all doors and windows, especially the rainy days will have a great impact on the sealing of aluminum alloy doors and windows. Aluminum alloy doors and windows are the first line of defense for shelter from wind and rain. In addition to ensuring quality, the maintenance and cleaning of aluminum alloy doors and windows are also essential. So how to maintain aluminum alloy doors and windows in the rainy season?
2023-10-26
The casting properties of metals include: ① fluidity, the ability of liquid metal to fill the mold; ② shrinkage tendency, large volume shrinkage from liquid to solid, easy to produce defects such as shrinkage holes, and large linear dimensional shrinkage, which affects the final dimensional accuracy of castings; ③ Hot cracking tendency, some metals and alloys are prone to cracks and segregation during the casting process.
2023-12-28
Treatment and Inspection of Castings
Mold (liquid metal into a solid casting container) preparation, mold according to the materials used can be divided into sand, metal, ceramic, mud, graphite, etc., according to the number of use can be divided into one-time, semi-permanent and permanent, mold preparation is the main factor affecting the quality of castings
2023-12-28
Shandong Jiayao Building Materials Co., Ltd
Shandong Jiayao Building Materials Co., Ltd.