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You are here: Home / News / UPVC knowledge / UPVC knowledge / How to identify whether plastic steel profile doors and windows are harmful?

How to identify whether plastic steel profile doors and windows are harmful?

Publish Time: 2021-04-09     Origin: Site


Window and Door Profile is a low-carbon and environmentally friendly building decoration material. Because of its distinctive characteristics, it has been concerned by customers. Nowadays, most of the houses that you can see are equipped with plastic steel profile doors and windows, but environmental protection and energy saving are not environmental protection It. There are many varieties of well-known brand products for plastic steel profile doors and windows on the sales market. If you buy unqualified products, not only environmental pollution but also a health hazard. Jinan lumei plastic steel profile manufacturer shares with you how to choose Window and Door Profile and how to reasonably identify harmful Window and Door Profile.


Window and Door Profile uses polyethylene (UPVC) epoxy resin as raw material, plus certain thickeners, additives, fillers, ultraviolet light adsorbents, etc., are extruded into aluminum profiles, and then welded according to laser cutting and electric welding Or screw connection method to make door and window fans, and add window sealing strips, siliconized tops, hardware, etc., and in order to improve the rigidity of aluminum profiles, lining steel (ribs) must be added to the inner cavity of aluminum profiles that exceed a certain length. Made.


Window and Door Profile has the advantages of high air pressure and compression strength, good sealing and tightness, small infiltration of gas and precipitation, low thermal conductivity, thermal insulation, environmental protection and energy saving, sound insulation, noise reduction, thermal insulation, and resistance to embrittlement. It has quickly replaced plastic steel doors and windows, aluminum alloy doors and windows.


1. The structure of Window and Door Profile


Window and Door Profile takes professional Western hard polyethylene (pvc) plastic aluminum profile as the main material, plus hardware components. The aluminum profile is a porous structure inner cavity, and the main cavity is lined with steel made of cold-rolled thick steel plate, which is used to improve the compressive strength of plastic steel profile doors and windows. The wall thickness of the aluminum profile should be above 2.5mm.


2. Manufacturing of Window and Door Profile


Plastic steel profile doors and windows are generally produced in processing plants with laser cutting and automatic welding machines dedicated to plastic steel profile doors and windows. They are produced by fully automatic assembly lines and automated technology, and the quality can be ensured.


3. Common problems when purchasing Window and Door Profile.


Window and Door Profile has been rapidly marketing and popularized in the engineering and construction industry with its excellent practical effects of environmental protection and energy saving. As a "low-carbon and environmentally friendly" product, it is increasingly favored by many customers. As everyone knows, environmental protection and energy saving do not mean environmental protection. Harmful plastic-steel profiles not only pollute the environment, but also endanger health.


Jinan lumei plastic-steel profile manufacturer suggests that when identifying whether Window and Door Profile contains harmful substances, it is more convenient to observe:


1. Look at the packaging logo


2. Look at the color of the product


3. Look at the actual effect of the application


4. Look at the quality inspection confirmation


5. Look at the name of the commodity aluminum profile


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