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How often do the door and window sealing strips be changed?

by:Kenna     2021-03-24
How often the door and window sealing strips are changed plays a key role in various electrical cabinets. The main performance of EPDM products: the product is non-toxic, environmentally friendly, resistant to aging and high temperature, stable performance, and can be used in summer and winter. To maintain good performance, considering the process performance of commonly used rubber materials, sometimes it is necessary to use combined rubber, such as natural rubber (NR) and CR and styrene butadiene rubber (SBR), or polyethylene (PE), EPDM and NR Rubber and plastic combined type to improve ozone resistance. Introduction to the electrical cabinet door self-adhesive sealing strip is composed of three types with good elasticity and resistance to compression deformation, resistance to aging, ozone, chemical effects, and a wide operating temperature range (-40℃~+120℃). Ethylene propylene rubber (EPDM) rubber is foamed and densely compounded. It contains unique metal clamps and tongue-shaped buckles, which is sturdy and durable. It plays a key role in various electrical cabinets. How often is the door and window sealing strip changed? According to the cross-sectional shape, the car sealing strip can be divided into solid products (round, square, flat cross-sectional shape), hollow products and metal rubber composite products. Second, heat aging resistance Ethylene-propylene sealing strips have been tested many times before production. From the experiments, it can be seen that the product can continue to work in a high-temperature environment without aging. Therefore, many companies use the product to improve Work efficiency, so as to get more profits. 8℃, Disadvantage: Generally, it has a large expansion in mineral oil and lubricating oil, and it is generally a dark-colored product. Application range: Use temperature range -60-150℃, suitable for high temperature and cold coastal areas with strong ultraviolet radiation and middle and high-rise buildings It is recognized by the domestic door and window industry for its wide application range and excellent comprehensive performance. Disadvantages: poor storage stability, hardening during storage, poor cold resistance, relatively high density, and generally black products. The skeleton sealing strip is co-extruded from dense rubber, foam rubber and steel wire/steel sheet. Also known as EPDM sealing strip (EPDM)-suitable for the special environment of -40℃ -+160℃, it has superior anti-ozone characteristics, anti-ultraviolet characteristics, resistance to chemical solvents, and various physical and chemical performance indicators far exceed Similar products. How often do door and window sealing strips change? Talking about the important role of epdm for doors and windows. With the further development of technology and the continuous improvement of living standards, and the call of an energy-saving and harmonious society that has been advocated, we all know that doors and windows are the eyes of buildings. Its energy loss can account for 40% of the total energy loss in buildings, which has attracted enough attention, especially in large cities like the capital Beijing, in 2004, the heat transfer coefficient of doors and windows (indices for thermal insulation and energy saving) was used as Mandatory acceptance indicators have also attracted great attention and implementation in all provinces, cities and regions across the country. Energy-saving doors and windows have become the mainstream of building doors and windows. It is a kind of sealing strip that uses the characteristics of certain materials to make pores appear inside through processing. It is divided into EPDM foam sealing strips, silicone foam sealing strips, and PU foam sealing strips. Fourth, some prices There are a lot of fillers for cheaper sealing strips, so the surface will not be very shiny, the color will be dim, the cross section of the sealing strip will be very rough, the hand feel is stiff, the stretch is almost inelastic, the color of the silicone rubber seal is bright, the hand feels soft, and the stretch Very elastic, cut off the sealing strip, the broken section becomes a delicate luster. It is suitable for all kinds of doors, windows, etc. 2. Cabinet sealing strips have developed their own characteristics based on the use of electrical cabinets and based on 20 years of experience in the research and development of sealing strips, which have good sealing performance. , Waterproof, fireproof, insect-proof, windproof, light-proof, anti-collision and long service life, etc. 1. Three composite steel framework, not easy to deform and shrink, firm assembly, good sealing 2. Sealing strips for doors, windows and curtain walls, products It has good elasticity, resistance to migration, and can effectively block noise, dust, and weather. It is widely used in the fields of box sealing and building sealing. The cold resistance, heat resistance, foaming, solid, and special properties of different application fields developed and designed by our company can meet the application needs. Installation method of inlaid wooden door sealing strip :Because the width of the saw blade or grooving knife used by each manufacturer when grooving is different, usually there are 4mm, 3mm, 2.5mm, 2.0mm, and most of them are 3mm. They are used in the purchase of seals. Be optimistic about the article. How often does the door and window sealing strips change? At a high temperature of 120℃, the weather resistance of the sealing strips is still good, maintaining elastic properties, and the shape and function are not affected. Thermoplastic EPDM rubber sealing strips often have many luxury cars now This type of EPDM sealing strip is also used above, so what kind of performance does it have in actual use?
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