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| Formaldehyde is a chemical gas, the air content of a certain concentration, it will harm the human body. It is mainly used in the manufacturing process of composite materials, from the bonding effect simple installed outdoor floor. So that the formaldehyde contained in the floor will not immediately evaporate, but because of different temperature and humidity conditions, volatile slowly, volatile time for more than a decade. Ms. Zhang in a well-known building materials market in Minhang scheduled a number of how to build steps with composite decking floors, can be delivered only to find the floor and the business floor to see the floor is different. In an interview, Changzhou Sail Floor Co., Ltd. Sales Manager Yang Xiuquan said the company began in June with the production of anti-counterfeit floor signs, there is no anti-counterfeit signs of the self adhesive interior decking floor floor may be the merchant's inventory, the quality should be no problem.
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