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The difference between silicone rubber strips and EPDM rubber strips

by:Kenna     2021-05-09
Silicone rubber strips are different from EPDM rubber strips. They are formed by microwave vulcanization at one time. The surface is smooth and beautiful, without joints, has good elasticity and resistance to compression deformation, excellent aging resistance, excellent flame retardancy, low smoke and low smoke. Toxic; product performance is stable, dimensional accuracy is high, six, burning, PVC sealing strip will foam, shrink, emit black pungent smoke, burn insufficiently, leave hard plastic residue, and silicone rubber sealing strip will burn almost without burning. Smoke, odorless, fully burned, and the burned substance is white powder. Types and uses of door and window sealing strips Introduction: When we install doors and windows in our lives, there will always be certain gaps, which will cause the doors and windows to close tightly. The role of door and window sealing strips is used to eliminate these gaps. However, there are many types of door and window sealing strips, and their uses are also different. I have compiled some relevant information about the types of door and window sealing strips for everyone here. Door and window sealing strips can be divided into major categories in use: glass sealing strips, door leaf and door cover sealing strips and wool strips. The glass sealing strip is used to seal the gap between the glass leaf and the frame. The door leaf sealing strip is used to seal the gap between the door panel and the door frame, and the wool strip is mainly used to seal the gap between the frame and the door. It is said that in the installation process of various doors and windows, the sealing strip is indispensable. The sealing strip plays a role of sealing and waterproofing in plastic steel doors and windows, aluminum alloy doors and windows, and wooden doors and windows. Sealing strips have high requirements for materials. First of all, they must have strong stretchability and elasticity, as well as good temperature resistance and aging resistance. At the same time, in order to ensure the close contact between the sealing strip and the profile, the cross-sectional structure of the sealing strip must match the profile of the door and window, which is generally suitable for hanging windows and folding doors and windows. Humanization 'In the past, the tradition has always paid more attention to materials and workmanship, ignoring the attention to humanization in use. What are the performance advantages of coated seals? 1. Compression deformation test: 50% compression rate at 70°C continues to compress 22 hours, deformation rate≤10%2, compression force test, under 25% compression rate, apply a force of 15N/100mm, compression rate≤10N3, temperature range test: from -40℃ to 90℃, the sealing performance is not obvious Change 4. Heat conduction K value test: K value ≤ 0 at 0℃. Doors and windows bring light and vitality to the room, and doors and windows extend the limited space infinitely. Said ternary bc sealing strip (rubber EPDM)-suitable for The special environment of -40℃-+160℃ has superior anti-ozone characteristics, purple light reflection characteristics and chemical solvent resistance characteristics, far beyond similar products, widely used in vehicle sealing and building sealing, various physical and chemical properties in the field In addition to the indicators, our company has developed and designed Hardy and thermal foams and entities for different fields of use. It has special properties that can meet the needs of the application. The wool strips are used to install on the sashes of push-type doors and windows for sealing. The gap between the frame and the fan. The size of the top can greatly affect the watertight performance of doors and windows, and it will also affect the opening and closing of doors and windows. If the size of the top is too large, or the vertical hair is too high, it will be in the assembly It will be very difficult, and after assembly, the resistance of the doors and windows will increase when they move. If the fire size is too small, or the vertical hair is too low, the doors and windows are prone to brackets, which will reduce the sealing of the doors and windows. There are generally two types of tops that have been silicified and those that have not been silicified. Generally, the use effect will be better after treatment. The qualified tops have the following characteristics: no obvious defects in appearance, straight surface, bottom and vertical hairs It is relatively smooth, without bending, and there are no pits and other problems on the bottom plate, which meets the size requirements. Moreover, the design of this EPDM sealing strip is often more advanced. It has an independent bubble structure. In this way, it can form a good sealing and bonding rate, and all the bubbles have reached a uniform distribution, which can play a good expansion and contraction performance. It is precisely because of this that it can reach the use of The superior performance of non-flowing, non-deformation, non-cracking and so on, it can not be combined with many uneven materials except for the plane on the contact material used.
Many of us have heard about rubber seal strip suppliers and seen some of these units in operation in custom sealing strip, custom sealing strip and custom sealing strip spaces.
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