Common materials for student desks and chairs:
The main materials of the frame are all made of high-quality steel pipes, the wall thickness is more than 1.2mm, and the wall thickness of the main support frame steel pipe is more than 1.5mm. The steel pipe is made of high-frequency welded steel pipe, with good mechanical properties and smooth surface. The class bucket adopts one-time forming stamping bucket, which is smooth and seamless, and has good safety performance.
The desktop board is made of 18mm fireproof board veneer, post-formed board, and the fireproof board has the properties of wear resistance, heat resistance, acid and alkali resistance, smoke resistance, impact resistance, etc., and the colors are bright and fancy.
The back of the chair and the surface of the seat board are made of multi-layer veneer curved board bottom plate, and the surface is pasted with fireproof board, which is formed by hot pressing. Its characteristics are good bonding performance, high strength, durable, smooth surface, realistic texture, beautiful color, thickness 12^14mm. In addition, a one-time molding of PVC, hollow plastic and other seat surfaces can be used.
The surface of the steel pipe is electrostatically sprayed with plastic, which is characterized by strong adhesion, good luster, hard plastic powder, wear resistance, impact resistance, water resistance, light resistance, gloss retention and color retention. The surface of the spray layer is fine and smooth. Colorful.