What is the test standard for methanol in wood flooring?

China's national standard stipulates that the formaldehyde content in indoor wood flooring shall not exceed milligram liters.

The E1 standard is also a European standard, and the formaldehyde content is less than that, and most big brands are this standard.

From the early 90s to 1994, during this period, lacquered tongue and groove solid wood flooring appeared on the market, with two processes: rolling paint and spraying paint; The small size of the floor is gradually decreasing, and the market dominates the medium and long size flooring; There are many types of wood flooring on the market, including bamboo flooring, three-layer parquet and multi-layer parquet.

In recent years, there have been new products on the market, such as finger joint flooring, laminated wood flooring and bamboo composite flooring, and stone-plastic flooring, among which bamboo composite flooring and stone-plastic flooring are in their infancy and have not yet formed mass production, and other products are showing a gradual growth trend.

There are three detection methods for formaldehyde emission from the floor, namely perforated quenching method, climate chamber method and dryer method. Among these three methods, the dryer method can accurately detect the formaldehyde content of the floor, which is also the content of the new national standard. In addition, the new national standard also stipulates the following:

The formaldehyde emission of the floor must be less than or equal to the qualified, otherwise, it does not meet the indoor environmental protection and health requirements.

Product Quality Law of the People's Republic of China

Article 3 Producers and sellers shall establish and improve the internal product quality management system, and strictly implement the post quality standards, quality responsibilities and corresponding assessment methods.

Article 6 The state encourages the implementation of scientific quality management methods, the use of advanced science and technology, and encourages the quality of enterprise products to meet and exceed industry standards, national standards and international standards. Units and individuals with advanced product quality management and product quality reaching the international advanced level and outstanding achievements will be rewarded.

Hello, the Chinese national standard for the implementation of formaldehyde emissions on the floor is a mandatory environmental protection standard to change the standard, for: E1 level, dryer law), climate box law, used in arbitration). At present, there are generally two kinds of qualified parquet in China:

One is E0 level, that is, the formaldehyde content of parquet should be less than milligram square meters; The second is E1 level, which requires that the formaldehyde content of parquet must be less than milligram square meters. At present, the top ten brands of wood flooring on the market, Zheng Zhu, are generally E1 products, and such parquet is an environmentally friendly product.