| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 620 x 920 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 460 mm | |
| Seat height | 480 mm | |
| Backrest width | 480 mm | |
| Backrest height | 450 mm | |
| Armrest height from seat | 220 mm | |
| Caster wheel diameter | 50 mm | |
| Base leg tube diameter | 19 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Chair weight | 12 kg | |
|---|---|---|
| Static load capacity | 110 kg | |
| Caster rolling durability | 100000 cycles | |
| Stacking capacity | 4 units high | |
| Seat foam density | 30 kg/m³ | |
| Chair net weight | 12 kg | |
| Seam pull strength | 200 N | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest mesh | Elastic woven polyester mesh with horizontal stripe pattern, tensioned in black plastic frame | |
|---|---|---|
| Seat cushion | Black woven fabric upholstery over molded polyurethane foam, plywood internal substrate | |
| Armrests | One-piece rigid black plastic, fixed to backrest frame and seat support | |
| Base frame | Chrome-plated carbon steel tubular sled frame, four legs with outward angle | |
| Casters | Black twin-wheel hard-surface casters, swivel fitting on each leg tip | |
| Back frame | Injection-molded black plastic outer shell holding mesh tension | |
| Seat cushion upholstery | Black woven polyester fabric upholstery over molded polyurethane foam, with 9mm plywood internal substrate | |
| Seat support bracket | Black steel stamped support bracket connecting seat substrate to sled frame, welded and bolted assembly | |
| Foam cushion core | Molded high-resilience polyurethane foam, integral skin structure for uniform support | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| Mobility | Four swivel casters enable easy rolling across hard office floors and smooth repositioning in meeting rooms | |
|---|---|---|
| Fixed seat height | Seat remains at a fixed 480 mm height without gas-lift adjustment, matching standard conference table height | |
| Fixed forearm support | Rigid PP plastic armrests provide stationary forearm support at 220 mm above seat surface and 500 mm center-to-center width | |
| Stackable design | Sled-base geometry allows multiple chairs to stack vertically for space-saving storage between events | |
| Passive breathable back support | Tensioned polyester mesh backrest delivers passive airflow and flexible lumbar contouring for 2-hour meeting duration use | |
| Lightweight portability | Low overall weight enables single-person carrying and rearrangement for training or event setups | |
| Mobile repositioning | Four 50 mm 360° swivel PA casters enable low-resistance rolling across hard office floors and smooth chair repositioning in meeting rooms | |
| Vertical stackable storage | Sled-base geometry with angled legs allows up to 4 chairs to stack vertically for space-saving storage between training events | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Packing configuration | 2 pieces per carton, nested or partially disassembled | |
|---|---|---|
| Carton dimensions | 680 x 600 x 720 mm | |
| Gross weight per carton | 26 kg | |
| CBM per carton | 0.29 m³ | |
| Assembly time per unit | 5 minutes | |
| 20 ft container load quantity | 320 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set |
Recommended spaces / users / usage modes
| Meeting and conference rooms | Suitable for 8-person conference rooms, providing uniform and space-efficient seating around boardroom tables | |
|---|---|---|
| Training and seminar spaces | Appropriate for corporate training rooms and event venues, with stackable storage and easy relocation between sessions | |
| Reception and visitor areas | Works well as visitor seating outside offices or in lobbies, offering a modern mesh aesthetic and comfortable short-stay support | |
| Open-plan office touchdown areas | Usable for temporary touchdown workstations or huddle spaces in open office plans | |
| Examination and assessment rooms | Suitable for standardized test centers and assessment rooms, with consistent seating height and non-distracting fixed design | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| Office chair safety requirements | EN 1335:2020 recommended for general safety, dimensions and stability assessment of office task/conference seating | |
|---|---|---|
| Chair strength and durability | EN 1335:2019 recommended for structural strength, durability and fatigue testing of chair components |
US and Canada office-furniture standards
| Office seating environmental performance | ANSI/BIFMA X2021 recommended as indoor air quality and VOC emissions reference for upholstered seating | |
|---|---|---|
| Chair stability and durability | ANSI/BIFMA X2017 recommended for static, cyclic and stability testing of general office chairs |
Standards applicable to China-market projects
| Seating stability and strength | GB/T 10357.3 recommended for stability, static load and durability verification of office chairs | |
|---|---|---|
| Indoor furniture formaldehyde release | GB 18584 recommended for wood-based seat substrate formaldehyde emission limits | |
| Upholstered furniture flame retardancy | GB 20286 recommended for flame retardant performance of upholstered furniture fabrics and foams |
This product must meet the following technical requirements: 1. Seating stability and strength: GB/T 10357.3 recommended for stability, static load and durability verification of office chairs; 2. Indoor furniture formaldehyde release: GB 18584 recommended for wood-based seat substrate formaldehyde emission limits; 3. Upholstered furniture flame retardancy: GB 20286 recommended for flame retardant performance of upholstered furniture fabrics and foams; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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