1. Fabric: Choose high-quality xipi, thickness ≥1.0mm, tearing force ≥30N, processed by liquid immersion, moisture-proof and anti-fouling processes, the leather surface is soft and comfortable, and the luster is durable.
2. Sponge: Use high-quality high-density flame-retardant sponge, covered with drawn yarn or velvet, with anti-corrosion and anti-deformation protective film on the surface, high resilience, high durability, shatter-proof, anti-oxidation, rebound rate ≥ 35%, stretch Tensile strength ≥90kPa, elongation ≥130%, tensile strength after dry heat aging ≥55kPa, tensile strength after wet heat aging ≥55kPa, strong fatigue resistance and comfortable sitting feeling.
3. Frame: The high-quality solid wood frame is used for insect-proof and anti-corrosion special treatment, and the moisture content is ≤10%; the background is processed by high-frequency hot press to form a multi-layer curved wooden board, which is ergonomic.
4. Paint: The use of high-quality brand environmentally friendly paint, after five-bottom and three-sided painting process, the wood grain texture is clear; VOC≤650g/L, benzene mass fraction ≤0.05%, toluene, xylene, ethylbenzene mass fraction ≤20%, curing agent Free toluene diisocyanate (TDI) mass fraction ≤0.5%, soluble heavy metal 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. Air pressure rod: adopts high quality air pressure rod, which can withstand 300kg pressure, the lifting is light and flexible, the lifting cooperation of the screw mechanism is good, the pneumatic lifting is stable, there is no air leakage, no noise, and the lifting is 300,000 times without failure; multi-functional chassis;
Tripods and casters: high-quality solid wood five-star feet, casters are made of reinforced nylon 66% plus 34% fiber heavy-duty wheels, reciprocating 120,000 times under the pressure of 750 pounds without damage, low moving noise, and high wear resistance.