Guangdong Yonglong Aluminum Co., Ltd.
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1. Broken bridge aluminum alloy window is an improved type based on the old aluminum alloy window in order to improve the thermal insulation performance of doors and windows. The principle of broken bridge aluminum alloy window is to use PA66 nylon to separate and closely connect the indoor and outdoor two layers of aluminum alloy into a whole to form a new heat-insulating aluminum profile.
2. The thermal insulation function of broken bridge aluminum alloy windows is better than that of ordinary aluminum alloy windows. Generally speaking, it is to isolate the indoor and outdoor cold and heat conduction. For example, when it is very cold outside, the outdoor low temperature is not easy to affect the indoor through the window. Another example is that when it is very hot in summer, the indoor air conditioner is turned on for refrigeration, and the indoor low temperature is not easy to be transmitted to the outside through the window, which helps to save power of variable frequency air conditioner.
3. From the perspective of excellent wind resistance and wind pressure strength, the broken bridge aluminum doors and windows are far better than plastic steel windows and ordinary aluminum alloy windows. For the commonly used plastic steel doors and windows, the lining steel is not connected into a complete frame system in the inner cavity corner of its profile, and the plastic welding corner strength of window frame, leaf corners and T-joints is relatively low, so the wind pressure resistance strength is not strong.
4. The sound insulation effect is good. The excellent bridge cutoff aluminum doors and windows use EPDM sealing strips, which are anti-aging, anti-corrosion and ozone resistant. The overall sealing effect is much better than the PVC sealing strips used for inferior doors and windows, because the PVC sealing strips are easy to corrode and crack, and can not achieve the sealing effect at all.
| Description | Dominica P92 Aluminum Profiles 6063 T5 Blanco White Powder Coating Aluminum Extrusion |
| Material Thickness(t) | 0.8-2.0 mm |
| Materiral | aluminum alloy 6063 |
| Annealing Treatment | T3-T8 |
| Color | Wood, Silver White ,Bronze , Champagne, Black, (RAL series)etc. |
| Surface Treatment | anodized, powder coated, electrophoresis, wood grain, polished and etc |
| Shape | Square, Round, Flat, Oval, and according to customer's drawing. |
| Length | Normal length=6m or in customer's order |
| Usage | Building, Production Line, Decoration, Industrial, Transportation, Door and window, etc. |
| Package | 1. Pearl cotton foam for each profile; 2. Wrap with shrink film exterior; 3. Packed according to customer request. |
| Advantages/Features | Providing colorful products with various mechanical performances to adapt all kinds of architectural styles |
Compared with electroplating, the history of electroless nickel plating is relatively short. Its real application in industry abroad is only in the late 1970s and early 1980s.
The application of electroless nickel plating process is nearly ten years later than the laboratory research results. After the Second World War, American general transportation company became interested in this process. They wanted to nickel the inner surface of caustic soda cylinder, but the ordinary electroplating method could not be realized. Five years later, they studied and developed the technology of electroless nickel phosphorus alloy and published many patents. In 1955, they created their first experimental production line and made a commercially useful electroless nickel plating solution. The commercial name of this electroless nickel plating solution is "kanigen".
At present, electroless nickel plating has become a very mature high-tech abroad, especially in the United States, Japan and Germany, and has been widely used in various industrial departments.
The industrial production of electroless nickel plating in China started late, but it has developed very rapidly in recent years. Not only a large number of papers have been published, but also a national electroless plating conference has been held. According to the statistics of the articles published in the fifth annual electroless plating conference, there are more than 300 manufacturers, but this figure should be very conservative at that time. It is speculated that the total scale of electroless nickel plating Market in China should be about 30 billion yuan every year, and develop at the rate of 10% ~ 15% every year.
Electroless nickel plating is a new technology to deposit nickel phosphorus alloy coating by autocatalytic electrochemical reaction with hypophosphite as reducing agent. Because the shoe plating process is carried out under the condition of no current, it is also known as electroless nickel plating, abbreviated as en technology. It has the technical characteristics of strong deep plating ability, good uniform plating ability, dense coating and low porosity. Its application scope has been extended to various fields of industrial production. At present, it is one of the best surface treatments in the world.
