| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 765 x 1260 mm | |
|---|---|---|
| Seat width | 515 mm | |
| Seat depth | 500 mm | |
| Backrest height | 580 mm | |
| Seat height range (from floor) | 590 mm | |
| Five-star base overall width | 700 mm | |
| Armrest height above seat | 250 mm | |
| Headrest adjustment travel | 155 mm | |
| Retracted footrest projection | 435 mm | |
| Caster diameter | 60 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 | 26 kg | |
|---|---|---|
| Maximum user weight capacity | 136 kg | |
| Recline angle range | 145 degrees | |
| Recommended user height range | 190 cm | |
| Gas lift vertical stroke | 100 mm | |
| Seat foam density | 50 kg/m³ | |
| Mesh upholstery abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest frame | Glass-fiber reinforced light grey nylon | |
|---|---|---|
| Backrest upholstery | Tensioned breathable polyester mesh | |
| Seat cushion core | 45mm thick high-density molded polyurethane foam | |
| Headrest pad | Curved mesh-wrapped padded foam support | |
| Armrest pads | Soft PU-padded height-adjustable surfaces | |
| Five-star base | Reinforced nylon with light grey finish | |
| Gas lift cylinder | Chrome-plated Class 3 steel | |
| Casters | Dual-wheel black PU rolling casters | |
| Recline mechanism | 3mm thick steel plate locking chassis | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation centered on gas lift column | |
|---|---|---|
| Seat height adjustment | Pneumatic adjustment via Class 3 gas lift | |
| Backrest recline function | 145-degree lockable recline with tension control | |
| Armrest adjustment | 75mm height adjustment with pivoting pad rotation | |
| Headrest adjustment | 155mm height adjustment with angle tilt | |
| Lumbar support | Integrated segmented zoned lumbar support | |
| Retractable footrest | Fold-out sliding leg rest for reclined position | |
| Smooth mobility | Dual-wheel casters for hard/soft floor rolling | |
| 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
| Corporate office workstations | Suitable for 8-hour daily desk work with lumbar support | |
|---|---|---|
| Home office study spaces | Compact footprint fits standard home desk setups | |
| Executive private offices | Grey neutral finish matches modern office decor | |
| Co-working shared spaces | Adjustable dimensions suit 190 cm tall users | |
| Meeting room task seating | Swivel and mobility support collaborative discussion | |
| 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 requirements | EN 1335:2018 | |
|---|---|---|
| Office chair stability test | EN 1022:2018 |
US and Canada office-furniture standards
| Office chair general purpose tests | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster durability testing | ANSI/BIFMA X2017Clause 11 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 10357.3 | |
|---|---|---|
| Office chair safety requirement | GB 28007 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 10357.3; 2. Office chair safety requirement: GB 28007; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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