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PTFE board is widely used as corrosion-resistant lining, sealing material and sliding material in chemical, pharmaceutical and food industries. Correct processing and installation are the key to ensuring the lining effect. Step 1 - Surface treatment: clean and roughen the surface of the steel tank wall to improve the bonding and welding effect between the PTFE board and the steel wall. Step 2 ...
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HDPE welding rods are mainly used together with extrusion welding machines to connect HDPE geomembrane, geotextile composite membranes and waterproof sheets. Correct operation is the key to forming a firm and leak-free weld. Step 1 - Surface preparation: clean the welding area of the membrane with a dry cloth, remove dust, oil and moisture, and keep the surface dry. The overlap width of the tw...
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Water storage and drainage board is a roof drainage material with raised dimples, which is laid under the protective layer of the roof to quickly drain accumulated water and prevent water pressure damage to the waterproof layer. Step 1 - Base treatment: the roof surface should be cleaned and leveled, and the waterproof layer should be inspected to ensure there is no damage or leakage. Step 2 -...
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There are various types of geomembrane welding equipment. From large to small, they are extrusion welding machines, climbing welding machines, and hot air guns. The so-called extrusion welding machine heats plastic welding rods, then uniformly welds the melted plastic at the joints, thereby achieving the purpose of welding. The operation of the extrusion welding machine requires two peo...
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Geomembrane construction method I. Laying of HDPE impermeable membrane geomembrane 1. Before laying HDPE geomembrane, there should be corresponding qualified acceptance certification documents for civil engineering. 2. Before cutting HDPE membrane, relevant dimensions should be accurately measured, then cut according to actual conditions. Generally, it is not advisable to cut according to the...
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Closed-cell foam board installation1. Closed-cell foam board installation uses cement nails to fix on the concrete structure joint surface that has been poured.2. Before installing the closed-cell foam board, the concrete structure joint surface must be cleaned, and the closed-cell foam board installation construction can be carried out only after it is dry, clean and free of debris.4. The inst...
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1. Extruded board exterior wall construction site preparation ① First, the base wall should meet the requirements of quality acceptance specifications, and be jointly accepted and qualified by multiple management personnel. ② The control lines of each major corner of the floor must be completed by hanging lines. ③ Scaffold holes on the wall, as well as voids and roughness generated during cons...
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High-rise external walls, the specific height can be tens to hundreds of meters. Using extruded boards on the external walls of such high-rise buildings can play a better protective role for the entire building. For example, alternating hot and cold seasons, rainy seasons, etc. will more or less affect the building exterior walls. Below, we mainly explain specifically through several aspects. ...
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For roof thermal insulation, we need to use high-density boards. Although it is different from external wall construction, it needs to withstand the pressure of people moving on it. Therefore, it is very necessary to use high-density boards for thermal insulation of the floor. Floor insulation means that sunlight cannot directly contact the floor, so it cannot continuously irradiate the floor ...
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Kunming extruded board factory has undergone great development and changes since 2005. The materials produced in the factory are all common ordinary boards, high-density boards, and B1, B2 flame-retardant boards on the market. In the early days of the Kunming extruded board market, high-density boards were more common, and the thickness was mostly only 2-5cm. But with market changes and the ex...
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