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Standards for Silicone Sealing Strips

by:Kenna     2021-07-01
The standard of silicone sealant strips can prevent the door and cabinet from being collided for countless times. There will be a 'bump! Bump!...' impact sound. Will it affect your daily mood and mood after a long time? The new PU foam sealing strip, It has super resilience, no deformation, odorless and environmental protection, sound insulation and anti-collision effect is more obvious, it is worth having, 5) EPDM rubber material 40°F-248°f (-40°C-120°C), nitrile-butyl Diene rubber material 40°F-248°f (-40°C-120°C), silicone rubber material 40°F-260°f (-40°C-126. Automobile product rubber formula and its preparation method and process Background technology: At present, the low-temperature performance of rubber products used in automobiles on the market is generally around -25°C, but in a harsh climate, the rubber parts on automobiles cannot withstand the airflow of cold air, which greatly reduces the product life. Rubber products used in automobiles The performance directly affects personal safety. For example, the recall of some of the cars sold by Toyota in the past few years caused serious reputation consequences. Therefore, all automobile manufacturers need a rubber product with long-term stable performance and sufficient safety. 。The standard of the silicone sealant strip is 8°C. Disadvantage: Generally, it has a large expansion in mineral oil and lubricating oil, and is generally a dark-colored product. Scope of application: Use temperature range -60-150°C, suitable for high temperature and cold coastal ultraviolet radiation Strong areas and middle- and high-rise buildings are recognized by the domestic door and window industry for their wide application range and excellent comprehensive performance. Disadvantages: poor storage stability, hardening during storage, poor cold resistance, relatively high density, generally black Products. Made of soft and elastic, non-toxic and odorless after special processing, and can withstand high temperature, high pressure and multiple cooking at 200℃. They are used for thermal insulation and insulation of electrical products, internal pipes of drinking water systems, and industrial refrigeration equipment. , The internal connection of gas appliances, the sealing of machinery, lamps and other products, and the performance of the sealing strips greatly affect the air tightness, water tightness, heat loss and other important performance indicators of doors and windows, and the firmness of doors and windows. The above is an introduction to the characteristics and uses of rubber sealing strips. It can be seen that the characteristics of the product are not only very many, but also more widely used. This is also the main reason for being recognized by everyone. Features: EPDM Excellent weather resistance, weather resistance refers to long-term resistance to severe cold, heat, dryness, and humidity, and excellent corrosion resistance to rain and snow erosion, which can completely extend the service life of the rubber strip; heat aging resistance Refers to strong resistance to heat-resistant air aging. Technical realization factors: The technical problem to be solved by the present invention is to provide a rubber formula for automobile products and a preparation method thereof, which has good low-temperature performance and can withstand the environment in a relatively harsh climate. To live in the cold air to ensure good performance, thereby ensuring personal safety. Technical realization elements: The technical problem to be solved by the present invention is to provide a rubber formula for automobile products and a preparation method thereof, which has good low temperature performance and is used in places with relatively bad weather. Under the environment, it can withstand the attack of cold air and ensure good performance, thereby ensuring personal safety. Standards for rubber sealing strips Since silicone sealing strips are mainly produced using silicone rubber materials, they have better sealing performance than other material sealing strips, and can also be used in some high-temperature environments and have excellent weather resistance. It can effectively resist the invasion of natural factors. Even if it is used for a long time, there will be no aging damage. Generally, the back of the silicone sealing strip is explained, so it can be effective without using any adhesive. It is bonded with other materials and has good sealing performance. No matter how long it is used in a high temperature environment, it will not fall off, so it has become the first choice for sealing materials. Sealing strip is a product that seals something so that it is not easy to open, and plays the role of shock absorption, waterproofing, sound insulation, heat insulation, dustproof, and fixing. EPDM rubber strip adopts microwave vulcanization process One-time molding, smooth and beautiful surface, good elasticity and resistance to compression deformation, weather aging resistance, ozone resistance, chemical resistance, and a wide temperature range (-50℃~+150℃). It has been used in automobile doors and windows. It is widely used in manufacturing industries such as curtain wall. Sealing strips are made of rubber, paper, metal, plastic and other materials. Low-end products use waste materials, substitute plasticizers and high filling levels, so that the strips have poor elasticity, tend to become hard, and have a nasty smell. , Easy migration makes the frame material yellow, short service life, characteristics 1. EPDM has excellent weather resistance, weather resistance refers to long-term resistance to severe cold, heat, dryness, and humidity, and is extremely resistant to rain and snow. Good corrosion resistance can fully extend the service life of the rubber strip; 2. Heat aging resistance refers to strong heat-resistant air aging resistance.
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