| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 550 x 1050 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 460 mm | |
| Seat height range | 500 mm | |
| Backrest width | 470 mm | |
| Backrest height | 520 mm | |
| Armrest height from seat | 210 mm | |
| Five-star base diameter | 600 mm | |
| Caster diameter | 50 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
| Recommended static weight capacity | 120 kg | |
|---|---|---|
| Net weight reference | 12 kg | |
| Seat foam density reference | 25 kg/m³ | |
| Back mesh abrasion resistance reference | 30000 cycles | |
| Caster rolling durability reference | 100000 cycles | |
| Tilt angle range | 12 degrees | |
| Maximum tilt angle | 12 degrees | |
| Foam rebound rate | 45% | |
| Seam tensile strength | 150 N/cm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Black woven nylon mesh stretched over a rigid plastic frame | |
|---|---|---|
| Seat cushion | Black woven fabric upholstery over polyurethane foam padding | |
| Armrests | Hard black plastic fixed arm supports with integrated top pads | |
| Chair base | Black nylon five-star base with ribbed structural reinforcement | |
| Gas lift cylinder | Chrome-plated steel pneumatic height adjustment cylinder | |
| Tilt mechanism | Black steel under-seat tilt mechanism with single control lever | |
| Casters | Black plastic twin-wheel casters with swivel stems | |
| Back frame | Black rigid plastic outer frame securing the mesh panel | |
| Seat inner frame | Plywood structural board with steel bracket mounting points, encased within foam and upholstery | |
| Control lever | Black rigid plastic lever arm attached to the tilt mechanism steel plate with metal fasteners | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment operated by left-side lever, with a maximum 100mm travel range | |
|---|---|---|
| Swivel function | 360-degree full rotation around the central gas lift axis, supported by a five-point rolling base | |
| Center tilt mechanism | Single-lever activated backward tilt with a maximum 12-degree recline angle, including tension adjustment via rotary knob | |
| Mobile rolling base | Five twin-wheel casters enabling smooth movement across hard floor and low-pile carpet surfaces | |
| Fixed forearm support | Rigid fixed-position armrests that provide stable forearm support at a 210mm height above the seat cushion, without height, width or pivot adjustment | |
| Full swivel function | 360-degree continuous rotation around the central gas lift axis, supported by a five-point rolling base | |
| Center tilt recline | Single-lever activated backward center tilt with a maximum 12-degree recline angle, including spring tension adjustment via under-seat rotary knob | |
| Tilt tension control | Clockwise rotary knob adjustment to increase tilt resistance, with a maximum 5-turn adjustment range from minimum to maximum tension | |
| Breathable back support | Tensioned nylon mesh backrest that conforms to upper back curvature and provides passive ventilation during seated use | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Packaging units per set | 1 carton | |
|---|---|---|
| Reference carton dimensions | 650 x 550 x 300 mm | |
| Reference gross weight per carton | 14 kg | |
| Reference CBM per carton | 0.107 CBM | |
| Assembly time per unit | 30 minutes | |
| 20ft container loading quantity | 320 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set |
Recommended spaces / users / usage modes
| Open-plan office workstations | Suitable for daily 8-hour desk work in open office environments, paired with standard height desks between 720mm and 760mm | |
|---|---|---|
| Small and medium enterprise office use | Cost-effective seating solution for administrative staff, customer service teams and entry-level office positions | |
| Conference and meeting rooms | Appropriate for fixed-seating meeting rooms as stackable or individually arranged visitor and participant seating | |
| Home office work setups | Suitable for home study and remote work use, compatible with standard 1600 mm wide home office desks | |
| Temporary workstations and training rooms | Suitable for training centers and temporary work areas due to simple assembly, easy mobility and durable mesh construction | |
| Small and medium enterprise administrative offices | Cost-effective seating solution for administrative staff, customer service teams and entry-level office positions with standard daily use requirements | |
| Shared co-working space seating | Suitable for shared co-working desk areas as durable, low-maintenance task seating for rotating users with standard body dimensions | |
| Customer reception and visitor areas | Appropriate for office visitor zones and front-desk waiting areas as functional, space-efficient seating for short-duration stays |
EU Market Access Requirements* EN Standards
| Office furniture - Office chairs - Requirements for safety, strength and durability | EN 1335:2020 | |
|---|---|---|
| Ergonomics of the work environment - Office furniture - Office chairs | EN 1335:2019 | |
| Furniture - Safety requirements for upholstered furniture | EN 1021:2014 |
US and Canada office-furniture standards
| Office Chairs - General Requirements for Stability and Structural Integrity | ANSI/BIFMA X2021 | |
|---|---|---|
| Legislative and Regulatory Requirements for Upholstered Furniture Flammability | ANSI/BIFMA X2017 |
Standards applicable to China-market projects
| General technical requirements for office furniture | GB/T 3326 | |
|---|---|---|
| Limits of harmful substances for wooden furniture | GB 18584 | |
| Upholstered furniture flammability requirements | GB 20286 |
This product must meet the following technical requirements: 1. General technical requirements for office furniture: GB/T 3326; 2. Limits of harmful substances for wooden furniture: GB 18584; 3. Upholstered furniture flammability requirements: GB 20286; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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