All materials and parameters on the website are for reference only. The specific materials and parameters are subject to the actual products.
1. Back sponge: high density cold foaming Pu shaped sponge. The length of back sponge is 700mm, the width is 440mm, the thickness is 90mm, and the density of sponge is 45kg / m3.
2. Block sponge: high density cold foaming Pu set sponge. The length, width, thickness and density of seacotton are 450mm, 425mm, 105mm and 60kg / m3 respectively.
3. Back inner board: it is made of high-quality and high-density hardwood multi-layer plywood, which is cold pressed and refined by the mold. It is beautiful, colorfast and deformation resistant. Size specification: 690mm in length, 425mm in width and 11mm in thickness.
4. Base plate: it is made of high-quality and high-density hardwood multi-layer plywood by cold pressing and refining. It is beautiful, colorfast and deformation resistant. Size specification: 440mm in length, 404mm in width and 11mm in thickness.
5. Back shell: high quality PP (polypropylene) multi-element composite mold is used for injection molding. The base shell is designed with a noise elimination hole.
Back glue shell: length: 740mm, width: 450mm, thickness: 3.0mm
Base rubber shell: length: 500mm, width: 430mm, thickness: 4.0mm
6. Handrail frame and stand foot: made of high-quality steel plate, steel pipe by stamping and welding, the surface is treated with advanced oil removal, rust removal and phosphating, electrostatic spraying with epoxy polyester powder without coating, high-temperature plasticizing treatment, flat appearance, rust free and corrosion resistant. The coating of fusion bonded epoxy powder does not meet the national standard GB / t18593-2001. The fixing screw adopts concealment technology, with smooth and beautiful appearance and no dust accumulation
7. Writing board: it adopts special positioning rotating shaft device, and is equipped with silencing washer. The supporting and connecting structures are all aluminum alloy injection molding. The board surface is high-density board, covered with melamine surface, and the color is optional.
8. Seat return structure: high quality Φ 14 steel pipe is used, through-hole at both ends is equipped with 8 * 25 round head inner hexagon for fixation, and 3.5 torsion spring is used for return
Stainless steel screw fixation, accurate return, no noise.
9. Handrail cover: it is made of high-grade log, the solid wood is dehydrated, dried and buffered, and the exterior is covered with environmental protection paint, in accordance with GB18581-2001,
10. Fabric: advanced special fabric, anti pollution, anti-static, anti fading, fabric color, variety according to user choice,
11. Side plate: 3mm thick high-quality and high-density plate is used, which is stamped and formed by die, with 3mm thick high-density sponge on the surface, and high-grade fabric facing. The side plate is equipped with 11 glue nails which are buckled on the handrail. It is embedded, stable and beautiful.
12. Basic dimensions and structure of seat: center distance: 580mm, height of seat cushion to the ground: 430mm, height of back to the ground: 950mm. The minimum row spacing is 1100mm, and the minimum installation radian is 15m. After the seat bag is opened, the rear stress is on the back corner code,
13、 Seat appearance: the design conforms to the principle of ergonomics and has good comfort.
14. Ground fixation: special top explosion screw is used to fix the seat and ground. The top explosion screw is divided into two parts: ground explosion rubber sleeve and screw. The length of ground explosion rubber is 55.5mm, the outer diameter is 11mm, and the inner diameter is 9mm. Screw: 8 * 50 round head inner hexagon self tapping.

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