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The role of metal in the building
- The most primitive form of window openings from the slightest change in the form of, its role is to withstand harsh outdoor lighting and weather at this time of the window material is very rich, from the goatskin parchment, horn linseed oil to thin paper - in fact, Any kind of translucent, light-permeable material can be used for windows .11 century with the construction of Christian churches and the application of a large number of stained glass, the role of windows to become decorative art to render the mystery of religion. before, "grilles" restricted glass production, are correspondingly small pieces of glass embedded into the contour grid fan of it. so this time window function is to shelter from the storm and prevent thieves invasion. until the 17th century late stage, progress with the times, glass industrial production, changes in the relationship between man and nature, people realized that the windows should be purely functional - not only a simple lighting, scenic, shelter from bad weather in the role. during the British disclosure straight edge of formula casement window (i.e. casement); Dutch invention the sash (i.e., pulling up and down the window), the vertical hanging direction of the slide ledge means controlled from a pulley marks. " The birth of window hardware system ".s
Which brand of doors and windows hardware best
- Li Lang hardware you trust the high-end doors and windows hardware brand.s
Bathroom aluminum door frame how to deal with corrosion
- Generally speaking, the corrosion of aluminum alloy doors and windows hardware is a chemical reaction and electrochemical reaction process, but also a variety of substances in a variety of forms of reaction, it is difficult to use one or two ways to explain the reaction, but the aluminum alloy doors and windows hardware The reason for the corrosion of the corrosion is mainly electrochemical corrosion under natural conditions. Aluminum alloy doors and windows are generally made of aluminum, stainless steel, zinc alloy, carbon steel and other components, these different electrode potential and contact with the metal in the corrosive composition of the original battery, resulting in electrochemical corrosion. Especially in the marine atmosphere, industrial atmosphere, aluminum alloy doors and windows of this material structure determines the inevitable occurrence of electrochemical corrosion. Aluminum alloy profiles which are easy to passivate their own, the potential relative to other materials from the negative change is to slow down or stop corrosion, and the potential of the steel parts will increase the corrosion, resulting in damage to the hardware.s
What are the international certification of doors and windows hardware?
- US AAMA certification, Germany RAL, DIN, and the most authoritative IFT certification, Germany Winker House Hardware is the first through the Ift certified business.s
Aluminum alloy doors and windows of the C slot and U slot difference?
- Install the hardware in different ways, C slot generally with a fork handle, connecting rod through the middle, U slot generally use the square shaft handle, hardware will be fixed with screws. General doors and windows of the aluminum alloy profiles with the C slot, steel profiles with the U slot.s
Imported doors and windows hardware which brand quality and price is better?
- The quality of imports is good, cost-effective can not be complimented, if there is no special functional requirements, the production of regular manufacturers can meet the basic requirements, more cost-effectives
Door and window hardware which institutions can identify the authenticity
- See you buy the doors and windows accessories which brand, if it is a shield, you can call customer service inquiriess
Wide aluminum aluminum doors and windows of the hardware selection principle is what?
- Must be good quality, manufacturers have qualified certificates.s
Mount the furniture corner guards on the table
- Mount the furniture corner guards on the table,it can let us use it safely.The present era, more and more people began to pursue fashion,their demand for goods is more and more hig...
Do you know which kind of thickness plasterboard will be better
- Do you know which kind of thickness plasterboard will be better? Thickness: ( mm) 6.4 to 16 is the best choice for many buyers.There are three kinds of gypsum board, regular gypsum...
How to paste the corner guards for walls？
- In the decoration, some kindergartens and families do not have good planning, there is no good treatment to the corner and the corner,it left a hidden danger for the safety of chil...
What aluminium composite can be used for
- Description: Aluminium composite is with Nano-PVdF paint layer coated on front aluminium foil. Besides all good features of PVDF panel, but also coats PE(Polyester) paint and becau...
What's the price of aluminium composite panel
- Aluminium composite have many advantages than other composite componets such as low Density,strong strength ,good dimensional,stable stability, high plasticity, added components im...