Environmental protection grade of three-leaf forest wood floor

E 1 grade. The three-leaf forest wood floor is very environmentally friendly, and it can reach E 1 level according to the environmental protection level. In China, the environmental protection level is mainly measured by E-level standard, and its standard is E0:E0≤0.5mg/L (if the building materials are E0-level standard, it means that the board has reached the international environmental protection standard, and the formaldehyde emission is almost negligible), and E1:E1≤/0.5 mg/L.