How to determine the excessive formaldehyde in the floor: Among the floor industry, there are only two national standards, E1 and E2. For example, the E1 index is puncturing extraction method ≤9mg/100g, dryer method ≤1.5mg/liter, climate chamber method ≤0.12mg / cubic meter.
How to determine the excessive formaldehyde in the floor: The dryer method is the national standard implementation test method. The so-called dryer method is to put 10 pieces of arbitrarily extracted small floor of 5 cm wide and 15 cm high under certain temperature and humidity conditions. In a special 40-liter container, there is a container with a certain amount of water at the bottom of the container. The amount of formaldehyde released from the furniture is measured by the amount of formaldehyde dissolved in the wood in a certain period of time.
How to determine the excessive formaldehyde in the floor: When it comes to many businesses, 0.5 mg/L, which is the E0 standard.
How to determine the excessive formaldehyde in the floor: Dr. Floor said that the actual E0 standard is not a national standard for the flooring industry. The so-called floor E0 mark is a trademark registered by a Henanese after seeing a business opportunity. It is now bought and used by a floor manufacturer. The standard of 0.5 mg / liter, as far as he knows, should be the Japanese floor standard, and it is not the European international standard mentioned by some merchants.
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