Multiple colors black functional chair

1. The back frame adopts a split type independent mold design, and the waist curve conforms to ergonomics. It is made of black brand new PP and can withstand a tensile force of 136KG
2. The fabric is made of domestic brand mesh fabric, and according to BG/T 19817-2005, the wear resistance test is greater than 2500 revolutions per minute, the color fastness to dry friction is level 5, the breaking strength is greater than 400N, and the tearing strength is greater than 35N
3. The armrest is connected to the outer backrest and is designed to tilt downwards at a 135 degree angle according to ergonomics, ensuring the user's sitting experience
4.12 centimeter thick wooden board+PP seat shell
5. The sponge is made of one-piece polyurethane high rebound shaping sponge, which has been certified and tested by SGS international, and is environmentally friendly and fireproof
6. The chassis adopts a self weight bearing chassis, which has a self weight bearing function and can be adjusted independently according to the user's weight, achieving multi gear tilt locking
7.85 Pull up the 3-minute air rod, outer tube 180mm, lift and lower 85mm, sink 30mm; Tested by BIFMA, the 4-level black core air rod can be continuously raised and lowered up and down 100000 times without air leakage
8. Using 340 nylon feet and environmentally friendly materials, it can meet BIFMA standards, with a one-time impact of 136KG and a static pressure test of 1136KG