1. Fabric: Triple-resistant (waterproof, oil-proof, stain-proof) high-grade eco-friendly fabric. Waterproof grade 4-5 (G/B/T 4745-2012): Oil-proof grade 5 (GB/T 19977-2014); Stain-proof grade 4-5 (FZ/T 01118-2012). Wear resistance (GB/T 21196.2-2007) > 70,000 revolutions. Ignition (GB/T 5455-2014) flame retardancy: B1 grade, color fastness B grade, good breathability.
2. Backrest and sofa armrest base material: Built-in steel frame Moulded Foam, high-density high-density sponge for the waist area. Can withstand a pressure of 150KG.
3. The used shaping cotton: American fire-resistant, high-density, high elasticity shaping cotton, density 60, hardness 45, waist area sponge density 45, hardness 40, formaldehyde emission ≤ 0.05mg/m'.h, TVOC emission ≤ 0.50mg/m'.h; formaldehyde emission ≤ 0.05 mg/m'.h, TVOC emission < 0.50mg/m'.h.
4. Imported white wax wood solid wooden frame, mortise and tenon structure, specially treated for pest and corrosion prevention, ensuring firm and reliable, no loosening or decay over a long period of use, in line with GB/T 3324-2017 standard, wood moisture content 8-10%. Open paint to ensure product luster, flatness, clear texture, environmental protection, no particles, bubbles, slag points, strong adhesion, and lasting and flat color effect.