| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 720 x 1140 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
| Gross chair weight | 40 kg | |
|---|---|---|
| Maximum static load capacity | 250 kg | |
| Recommended user weight limit | 159 kg | |
| Gas lift adjustment stroke | 100 mm | |
| Gas lift durability rating | 100000 adjustment cycles | |
| Foam density | 40 kg/m³ | |
| Caster rolling durability | 40000 rolling cycles | |
| Tilt mechanism maximum recline angle | 15 degrees | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | 1.5 mm thick black top-grain cowhide leather | |
|---|---|---|
| Seat and backrest padding | 40 kg/m³ high-resilience polyurethane foam | |
| Armrest construction | Carved polished solid wood with clear environmental lacquer finish | |
| 5-star base construction | Solid wood cross frame with steel reinforced central hub | |
| Internal support frame | 18 mm thick engineered plywood core with solid wood bracing | |
| Gas lift cylinder | SGS-certified steel pneumatic cylinder with black powder coat finish | |
| Tilt chassis | 3 mm thick steel plate airplane-style lockable tilt mechanism | |
| Caster construction | 50 mm diameter black polyurethane mute casters | |
| Seam stitching | 10 stitches per inch heavy-duty nylon thread | |
| Armrest padding | 20 mm thick leather-wrapped foam pad at elbow contact point | |
| 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 enabled by central gas lift and swivel bearing | |
|---|---|---|
| Pneumatic seat height adjustment | 100 mm stroke controlled by side lever under seat | |
| Lockable tilt recline | 15-degree backward recline with tension adjustment and position lock | |
| Smooth rolling mobility | 5 dual-wheel PU casters for low-noise movement on hard and carpeted floors | |
| Integrated contoured lumbar support | Raised padded lumbar zone built into backrest design | |
| Integrated head and neck support | Padded upper back/headrest zone on high backrest | |
| Fixed wide armrest support | Curved carved wood armrests with padded elbow rests positioned at seated height | |
| 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
| Executive private office use | Suitable for CEO, general manager and director private workspaces | |
|---|---|---|
| Conference room boardroom use | Appropriate for head-of-table seating in formal boardrooms | |
| Home office premium workspace use | Ideal for dedicated high-end home office setups for remote executives | |
| Commercial reception VIP area use | Suitable for VIP guest seating in high-end reception zones | |
| Long-duration seated work use | Designed for 4+ hours of continuous seated work with padded support | |
| Recommended floor compatibility | Suitable for hardwood, tile and low-pile carpeted floors | |
| 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 and performance requirement | EN 1335:2020 | |
|---|---|---|
| Office chair mechanical durability requirement | EN 1335:2018 | |
| Office chair surface flammability requirement | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair structural durability requirement | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair caster durability requirement | ANSI/BIFMA X2017Clause 11 | |
| Office chair gas lift safety requirement | ANSI/BIFMA X2017Clause 8 |
Standards applicable to China-market projects
| Office chair safety structural requirement | GB/T 3326 | |
|---|---|---|
| Office chair mechanical performance requirement | GB/T 10357.3 | |
| Upholstered furniture formaldehyde emission limit | GB 18584 |
This product must meet the following technical requirements: 1. Office chair safety structural requirement: GB/T 3326; 2. Office chair mechanical performance requirement: GB/T 10357.3; 3. Upholstered furniture formaldehyde emission limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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