What are the materials for office chairs?
Casters: ordinary casters, PU wheel (soft material, suitable for wood flooring, and room).
Chair legs: Iron thickness directly affects the service life of the chair. Surface treatment: polishing, painting, paint (surface gloss, easy to paint), plating (electroplating, plating wood can not) good quality, it is not easy to rust.
The back seat is connected (corner): the seat and backrest is split, connected with steel pipe or steel plate, usually 6mm or 8mm thick. But steel plates of width less than 6cm must be 8mm thick.
Air lever: also known as extension rod, used to adjust the height and rotation of the chair.4: chassis: lift the seat part, the following link with the gas lever.5: chair seat: by board, sponge, fabric composition. The quality of boards is usually not felt by consumers. Sponge: regenerated cotton, new sponge. 99% manufacturers are the use of both, the thicker the harder, the higher the cost, the thickness is appropriate, the hardness is appropriate. Press chair seat with hand, fabric: linen, mesh cloth, leather. Plastic frame press cloth. This kind of chair is more breathable.