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The composite wall insulation materials of light steel houses are commonly used rock wool and glass fiber wool, both of which can play a good role in thermal insulation and sound absorption. The price of cotton is slightly higher than that of glass fiber cotton. How to choose these two materials, let's take a look at the difference, and then choose according to your own needs. The raw materials and processing techniques are different 1. Rock wool is made of basalt as the main raw material, which is melted at high temperature, made into inorganic fibers by centrifugal equipment, and then added with special binder and dust-proof oil. Fiber-arranged structure, a new lightweight thermal insulation material made by curing and shaping. 2. The raw material of glass wool is mainly glass, and then mixed with other various auxiliary materials according to the appropriate proportion, and then sent to the glass melting furnace to be fully melted and then processed through multiple processes to complete the curing process, product shaping, and cutting after shaping. Pre-order the product, and then pack it. Different sound insulation performance and hydrophobic performance Glass wool has lower capacity than rock wool, less slag ball content, low thermal conductivity, long service life and high fiber toughness. Glass wool will not be broken due to soaking in water and rain, it is easy to dry after soaking in water, and its performance is stable. When rock wool is soaked in water, it will collapse and lose a lot of performance. Both glass fiber wool and rock wool have good sound insulation effect. Under the same density and thickness, when just installed, the sound absorption and sound insulation effect of glass fiber wool is about 1.2 times that of rock wool, and the sound absorption of glass fiber wool is about 1.2 times. coefficient will be higher. Different product uses Glass wool is generally used for thermal insulation parts below 200 ℃, mostly used for thermal insulation of general buildings or low-temperature pipelines. Rock wool can be used for thermal insulation parts with a temperature of 500 ℃, mostly used for thermal insulation of high-temperature thermal pipelines and power equipment. Mobile homestay hotels, non-standard accommodation, RV camps, Internet celebrity restaurants, bookstore mobile clothing stores, mobile laundry rooms, mobile car dealerships, mobile bars, mobile vending stores, mobile offices, mobile cafes, mobile service stations, mobile Products such as studios, mobile hotels, mobile information centers, mobile medical rooms, mobile showrooms and pop-up stores.