| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall adjustable dimensions | 690 x 700 x 1265 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 480 mm | |
| Seat height adjustment range (max) | 555 mm | |
| Backrest height (seat to frame top) | 530 mm | |
| Headrest height adjustment travel | 205 mm | |
| Headrest width | 310 mm | |
| Armrest height above seat (max) | 245 mm | |
| Arm support spacing | 430 mm | |
| 5-star base spread diameter | 700 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 user weight capacity | 150 kg | |
|---|---|---|
| Net product weight | 20 kg | |
| Maximum recline angle | 120 degrees | |
| Seat foam density | 45D | |
| Seat foam thickness | 60 mm | |
| Mesh abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Frame static load rating | 1500 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | High-tensile breathable polyester mesh | |
|---|---|---|
| Seat upholstery | Woven polyester fabric over molded foam | |
| Seat core padding | 45D high-density cold-cured polyurethane foam | |
| Structural frame | Glass-fiber reinforced light grey nylon | |
| Armrest components | Reinforced nylon support with soft PU contact pads | |
| Height adjustment gas lift | 60mm diameter Class 4 steel pneumatic cylinder | |
| Tilt mechanism | 3mm thick steel plate synchro-tilt chassis | |
| 5-star base | Reinforced nylon/light grey painted steel | |
| Casters | 60mm diameter dual-wheel soft PU casters | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic lift with 85mm travel, lever-operated under seat | |
|---|---|---|
| 360-degree swivel | Full rotation enabled by central gas lift and base assembly | |
| Headrest adjustment | 205mm height travel with pivot angle adjustment | |
| Armrest adjustment | 80mm height adjustment with pivot functionality | |
| Tilt function | 120-degree synchro recline with tension adjustment knob | |
| Lumbar support | Height-adjustable contoured lumbar pad integrated to back frame | |
| Rolling mobility | Smooth dual-wheel casters for multi-surface movement | |
| Recline lock | Lockable in upright position for task work | |
| 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
| 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
| Office workstation use | Suitable for 8-hour daily desk work for office staff | |
|---|---|---|
| Home office setup | Ideal for home study and remote work environments | |
| Meeting room seating | Appropriate for conference room and meeting table use | |
| Managerial private office | High-back design suitable for executive and manager workspaces | |
| Open plan office deployment | Durable commercial-grade components suit high-traffic open office areas | |
| User height compatibility | Fits users 155cm to 185cm tall | |
| 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 furniture safety standard | EN 1335:2020 | |
|---|---|---|
| Office chair strength/durability | EN 1335:2018 | |
| Office chair stability test | EN 1335:2009 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster performance standard | ANSI/BIFMA X2017Clause 11 | |
| Gas lift performance standard | ANSI/BIFMA X2017Clause 8 |
Standards applicable to China-market projects
| Office chair stability standard | GB/T 10357.2 | |
|---|---|---|
| Office chair strength/durability | GB/T 22792 | |
| Formaldehyde emission limit | GB 18584 |
This product must meet the following technical requirements: 1. Office chair stability standard: GB/T 10357.2; 2. Office chair strength/durability: GB/T 22792; 3. Formaldehyde emission limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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