1. Substrate: high quality medium density fiberboard, formaldehyde emission ≤0.05mg/m3, moisture content ≤10%, density ≥0.76g/cm3, elastic modulus ≥2500MPa, static bending strength ≥25MPa, water absorption thickness expansion rate ≤ 10%, internal bonding strength ≥0.5MPa, surface bonding strength ≥1.0MPa.
2. Finish: Natural solid wood leather, thickness ≥ 0.6mm, moisture content ≤ 13%.
3. Edge banding: high-quality natural solid wood edge banding, moisture content ≤13%, formaldehyde emission ≤0.5mg/L.
4. Paint: Use high-quality brand environmentally friendly paint, after five-bottom and three-side paint process; VOC≤650g/L, benzene mass fraction ≤0.05%, toluene, xylene, ethylbenzene mass fraction ≤20%, free toluene diiso in curing agent Cyanate resin (TDI) mass fraction ≤0.5%, soluble lead (Pb)<2mg/kg, soluble cadmium (Cd)<0.5mg/kg, soluble chromium (Cr)<1mg/kg, soluble mercury (Hg)<1mg /kg,; halogenated hydrocarbon content ≤0.1%,.
5. Adhesive: select domestic high-quality brand environmentally friendly veneer adhesive, which has the characteristics of water resistance, moisture resistance, oil resistance, and crash resistance. Free formaldehyde (water-based) ≤0.5g/kg, total volatile organic content (water-based) Type) ≤300g/L, benzene (water-based type) ≤0.20g/kg, toluene+xylene (water-based type) ≤10g/kg.
6. Hardware accessories: use high-quality brand hardware accessories, no rust, with sufficient bearing capacity and corrosion resistance.