With people's concern for the concept of environmental protection and health, the amount of formaldehyde released from laminate flooring products has become the most concerned issue for consumers. For consumers, it was claimed that the eo-grade flooring products with formaldehyde levels close to zero have mushroomed into the wood floor market. Faced with mixed media, different prices, saying different eo floor, consumption is not only confused, what is the eo floor? How to buy eo flooring? However, according to Professor Gao Zhihua, a domestic flooring expert, there is no concept of "eo level" in China's existing standards and relevant standards in international advanced countries. First, China's current regulations on formaldehyde emission from man-made panels: 1. China's national standard "interior decoration materials - formaldehyde release limits for wood-based panels and products" gb18580-2001, this mandatory national standard for wood flooring The limited standard value of formaldehyde and its detection method have been clearly defined, and products that meet the above-mentioned mark levels do not constitute an impact and harm to the human body and the environment. The limit mark is e1 grade, and 40 l desiccator method is used for inspection. : The formaldehyde emission limit of e1-grade products is ≤1.5 Flooring purchase formaldehyde interior decoration