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修改這篇文章 : The things about upvc & pvc doors and windows

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First, we know what plastic steel doors and windows are. Simply speaking, plastic steel doors and windows are made of polyvinyl chloride (UPVC) resin as the main raw material, together with a certain proportion of stabilizers, colorants, fillers, ultraviolet absorbents, etc. After extrusion, they are cut, welded or screwed into windows and doors. 7-4-1 Secondly, we understand the advantages of plastic-steel doors and windows. 1. Plastic-steel doors and windows have good thermal insulation, 2. Plastic-steel doors and windows have good sound insulation, 3. Plastic-steel doors and windows have good impact resistance, 4. Plastic-steel doors and windows have good air tightness, 5. Water tightness, 6. Plastic-steel doors and windows have good fire protection, 7. Plastic-steel doors and windows have good security, 8. Maintenance is simple and do not need maintenance. Aluminum-plastic composite profiles are not easily eroded by acid and alkali, will not turn yellow and fade, and hardly need maintenance. When dirt is dirty, it can be scrubbed with water and detergent. After cleaning, it is as clean as before. Finally, we focus on the two key machine equipment used in the production of plastic steel doors and windows: cutting saw and welding machine. Cutting saw, as its name implies, is a machine that cuts polyvinyl chloride and polyethylene profiles to the desired length and cutting angle. The following figure is the simplest cutting saw, compact, light, easy to operate, can be 45 degrees and 90 degrees of cutting, you want to bevel and vertical sections, can do. 7-4-2 Welding machine, in short, is to weld two profiles together with a variety of tools, single-end to four-end arbitrary selection, as well as seamless welding machine for color profiles, after welding will not affect the beauty. 7-4-3 Of course, there are other machines, not listed one by one. If you are interested, you can come to Shandong Care Machinery Technology Co., Ltd. There is always one you want. Care Machinery meets all your reasonable requirements.

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