| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 730 x 1130 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 415 mm | |
| Backrest width | 460 mm | |
| Backrest height | 670 mm | |
| Seat height range (max) | 540 mm | |
| Five-star base diameter | 640 mm | |
| Armrest height above seat | 210 mm | |
| Caster diameter | 60 mm | |
| Minimum knee clearance under seat | 180 mm | |
| Minimum adjusted overall height | 1030 mm | |
| Seat cushion thickness | 70 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
| Net weight | 13.5 kg | |
|---|---|---|
| Recommended static load capacity | 120 kg | |
| Recommended user height range (max) | 180 cm | |
| Tilt lock angle | 125 degrees | |
| Tilt mechanism cycle durability | 300000 cycles | |
| Five-star base static load rating | 1000 kg | |
| Caster rolling durability | 100000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Back frame and armrests | White fiberglass-reinforced PP (polypropylene) | |
|---|---|---|
| Backrest upholstery | Grey breathable polyester mesh | |
| Seat cushion support board | 12 mm thick curved plywood | |
| Seat cushion padding | High-density polyurethane foam, 70mm thick | |
| Seat upholstery | Grey woven polyester fabric | |
| Five-star base | White reinforced nylon (PP) | |
| Gas lift cylinder | Black steel Class 3 pneumatic cylinder | |
| Tilt mechanism plate | 2.5 mm thick stamped steel | |
| Casters | 60mm diameter dual-wheel black PU (polyurethane) | |
| Seat underside shell | White PP plastic cover | |
| 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
| 360-degree swivel rotation | Full rotation around central gas lift axis | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel via side actuating lever | |
| Reclining backrest with tension control | Lockable tilt up to 125° with adjustable resistance knob | |
| Fixed-height integrated loop armrests | Curved arm support 210mm above seat, non-adjustable | |
| Smooth rolling mobility | Five dual-wheel casters for hard floor and low-pile carpet use | |
| Contoured lumbar support | Ergonomic curved lower back section built into mesh back | |
| Knock-down assembly | User assembly with included hardware, no specialized tools required | |
| Recline Angle / Lock Reference | 125° with 3suggested 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
| Carton dimensions | 700 x 300 x 600 mm | |
|---|---|---|
| Gross weight per carton | 14.5 kg | |
| 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 | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Home office workspace | Compact footprint fits small home desks and apartment work areas | |
|---|---|---|
| Open-plan office task seating | Durable construction suits 8-hour daily use for employee workstations | |
| Small meeting and conference rooms | Neutral white/grey aesthetic coordinates with modern office interiors | |
| Student desk and study spaces | Adjustable height fits growing users and standard student desk heights | |
| Hot-desking shared workspaces | Swivel and rolling functionality supports quick repositioning for shared use | |
| 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 | |
|---|---|---|
| Office chair strength/durability | EN 1335:2018 | |
| Office chair upholstery flame retardancy | EN 1021:2014 |
US and Canada office-furniture standards
| General purpose office chairs | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster performance | ANSI/BIFMA X5.1 Clause 13 | |
| Gas lift cylinder safety | ANSI/BIFMA X5.1 Clause 8 |
Standards applicable to China-market projects
| Office chair structural safety | GB/T 3326 | |
|---|---|---|
| Formaldehyde emission limit | GB 18584 | |
| Office chair mechanical durability | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Office chair structural safety: GB/T 3326; 2. Formaldehyde emission limit: GB 18584; 3. Office chair mechanical durability: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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