<p>contains a lot of formaldehyde, the choice of time need to be careful, it is best not to buy; second: Can not ask the taste, the floor of the domestic price of more than 200 yuan; third: you can smell a touch of wood flavor, this floor that glue content is very small. Can achieve the European standard E1 level 2, soaked water Some people say that this method is not scientific, strengthen the floor can not soak, but I </p>
<p>have done some experiments, came to another conclusion after 1 week, the floor sink, And the color of water yellowing black, the water contains a lot of impurities see Figure 2, 15 days after the top of the floor to grow maggots such a problem occurs, because the floor which contains a lot of impurities. But there is no change in the floor, such as the original Swiss imports to strengthen the floor to see the </p>
<p>following figure: 3, look at the substrate, the floor on the broken open, look inside the substrate, good substrate which is no impurities, the color is more pure, poor Of the floor inside the substrate with the naked eye can see a lot of impurities. Most of the domestic flooring using fast-growing forest, wood 3 to 5 years to start using, but the import floor, especially fsc certified plate for wood species has a strict </p>
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