HY-518LB

1) Back: nylon+fiberglass frame, double mesh

2) Lumbar support: nylon, height adjustable

3) Armrest: fixed PP armrest

4) Cushion: Californian fireproof high-density molded foam, 12mm plywood inside, elastic cloth cover

5) Mechanism: Single degree locking system

6) Class 3 gas lift

7) Base: High quality 340mm five star nylon feet

8) Castors: 60mm PU wheel (black)

1. Back frame: The back frame is made of brand new imported PA material, with stretchable, breathable and wear-resistant mesh, which is comfortable and breathable. The lumbar support can be adjusted to provide lumbar support in different positions. A thrust of 68kg is applied to the braking position behind the backrest and maintained for 60s without any abnormality, which meets the BIFMA test standards.

2. Seat cushion: The seat cushion is made of American standard flame retardant shaped foam sponge with a hardness of 50 and a density of 60. It has high resilience and is comfortable and breathable.

3. Armrest: PP fixed armrest, effectively supporting the arms.

4. Chassis: Tilt chassis with in-situ locking function and tilt force adjustment.

5. Safety gas bar: three-level explosion-proof gas pressure bar, up and down 65mm, easy to adjust the height, providing comfortable leg support.

6. Nylon five-star feet: R340mm nylon five-star feet

7. Pulley: Φ60mm PU surface silent nylon wheel