Product Specification
1. Ergonomic design & pneumatic comfort – Medium‑height backrest with continuous raised lumbar support, molded from high‑resilience polyurethane foam; the seat incorporates a pneumatic function for enhanced guest comfort and a gravity‑assisted damping return mechanism (smooth, silent, zero‑malfunction operation).
2. Anti‑accidental‑touch writing board – Built‑in foldable writing tablet with a wooden writing surface, concealed inside the armrest base for space‑efficient use; the opening beneath the board ensures convenient access.
3. Durable shell construction – Seat and back shells are injection‑moulded from high‑quality PP virgin material with a thickness of no less than 4mm, offering excellent structural strength and long‑term reliability.
5. High‑resilience foam – Both seat and back cushions are cold‑cured polyurethane foam with a minimum density of 45 kg/m³, offering soft comfort, excellent resilience, and no deformation after prolonged use.
6. Premium solid wood & fabric – Armrest writing surface made of imported solid beech wood; upholstery is Taiwan Yida fabric, treated with flame‑retardant finishing to meet China Class B fire safety standards.
7. Robust hardware & corrosion protection – “Zhugang” brand hardware with oil‑removal, rust‑removal, pickling and phosphating treatment, plus electrostatic powder coating; steel foot base (≥2.4mm thick) and frame receive anti‑rust treatment, 18‑micron electrophoretic primer and 30‑micron epoxy resin spray, passing 400‑hour salt spray and 100‑hour salt bath tests without rusting.
Detailed Specifications
Upholstery fabric – Taiwan Yida fabric, flame‑retardant and fire‑resistant, meeting China Class B fire safety standard, durable and easy to maintain.
Seat & back cushions – One‑piece moulded polyurethane foam, ergonomically shaped; both seat and back densities ≥45 kg/m³, high resilience and non‑deforming.
Seat & back shells – High‑quality PP virgin material, injection‑moulded in a single process with a thickness of no less than 4mm, providing sturdy and long‑lasting protection.
Return mechanism – Advanced gravity‑assisted damping return device, providing smooth, silent, and consistent motion with zero noise and no risk of malfunction.
Writing tablet – Concealed foldable wooden writing surface, stows inside the armrest base; anti‑accidental‑touch design.
Armrest surface – Crafted from imported solid beech wood, elegantly finished.
Hardware & frame – “Zhugang” brand, with full anti‑corrosion pretreatment (degreasing, rust removal, pickling, phosphating), electrostatic powder coating. Foot base stamped from cold‑rolled steel (≥2.4mm thickness). Chair frame, supports and legs receive anti‑rust treatment, followed by 18‑micron electrophoretic anti‑corrosion primer and 30‑micron epoxy resin topcoat. Passes 400‑hour salt spray test and 100‑hour salt bath corrosion test; paint film adhesion > Grade 2, with certified test reports.
Floor fixing – All screws and metal components undergo standard anti‑corrosion treatment; leg fixing bolts with protective covers (optional).
Additional options – Luminous row/seat number plates (no power supply, wiring or maintenance required); cup holder, book net, and other accessories available upon request.
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This auditorium chair (model CH208FC) features a 580mm centre distance, 760mm seat depth, 966mm overall height, 610mm seat width, approx. 80mm armrest width, and 450mm seat height, with a recommended row spacing of 850mm. The built‑in foldable writing board has a wooden surface. Both seat and back foam densities are ≥45 kg/m³, using cold‑cured polyurethane for lasting resilience. The gravity‑assisted damping return mechanism ensures silent and smooth operation, while the pneumatic function maximises seating comfort. The armrest writing surface is made of imported solid beech wood, and the upholstery is Taiwan Yida flame‑retardant fabric meeting Class B fire standards. The high‑strength steel frame and “Zhugang” hardware are treated with multi‑layer anti‑corrosion coatings, passing 400‑hour salt spray tests. The PP shells are moulded from virgin material with a thickness of ≥4mm for excellent durability. Ideal for high‑end meeting rooms, auditoriums, lecture halls, screening rooms, and multi‑functional venues. Optional luminous row plates, cup holders and book nets are also available.
