| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 670 x 700 x 1205 mm | |
|---|---|---|
| Seat width | 505 mm | |
| Seat depth | 460 mm | |
| Backrest width | 430 mm | |
| Backrest height above seat | 570 mm | |
| Headrest width | 315 mm | |
| Seat height adjustment range | 530 mm | |
| Armrest height above seat | 255 mm | |
| Headrest vertical travel | 60 mm | |
| Five-star base diameter | 700 mm | |
| Arm-to-arm overall width | 670 mm | |
| Overall depth including headrest protrusion | 715 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 | 136 kg | |
|---|---|---|
| Net product weight | 17 kg | |
| Seat foam density | 60 kg/m³ | |
| Gas lift static load rating | 1136 kg | |
| Backrest recline angle range | 135 degrees | |
| Color option count | 3 | |
| Warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable grey woven polyester mesh | |
|---|---|---|
| Headrest upholstery | Matching grey breathable mesh | |
| Seat cushion core | 80mm thick high-density molded polyurethane foam | |
| Seat surface fabric | Wear-resistant breathable polyester fabric | |
| Back/headrest support frame | White glass-fiber reinforced polypropylene | |
| Armrest support structure | White painted die-cast aluminum alloy | |
| Armrest pads | 20mm thick soft polyurethane padding | |
| Five-star base | Polished die-cast aluminum alloy | |
| Caster wheels | 65mm diameter black polyurethane on nylon hub | |
| Height adjustment gas lift | Chrome-plated steel Class 4 gas cylinder | |
| Tilt mechanism chassis | 3mm thick cold-rolled steel plate | |
| Seam stitch pitch | 8 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift adjusts seat 85mm via right-side under-seat lever | |
|---|---|---|
| Headrest adjustment | 60mm vertical height adjustment to match neck position | |
| Armrest adjustment | 80mm vertical height adjustment to match desk/elbow height | |
| Backrest recline | 3-position lockable tilt with tension adjustment up to 135 degrees | |
| Swivel function | 360-degree full rotation around central gas lift axis | |
| Mobility feature | Dual-wheel PU casters roll smoothly on hard/soft floors without scratching | |
| Lumbar support | Contoured S-curve backrest provides built-in mid-back support | |
| Rocking function | Free-tilt mode with adjustable tension knob for user weight | |
| 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
| Private office workspace | Suitable for individual executive workstations requiring long-sitting comfort | |
|---|---|---|
| Open plan task area | Low-noise casters and breathable mesh suit shared office desk layouts | |
| Home office study | Compact footprint and modern white frame match residential study aesthetics | |
| Co-working shared space | Durable commercial construction supports frequent multi-user adjustment | |
| User height range | Fits users 185 cm tall based on seat height and backrest dimensions | |
| Recommended desk pairing | Pairs with standard 760 mm height office desks or sit-stand workstations | |
| 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 requirement | EN 1335:2018 | |
|---|---|---|
| Office chair dimension standard | EN 1335:2020 | |
| Caster durability standard | EN 12528:2010 |
US and Canada office-furniture standards
| Office chair general test standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster performance standard | ANSI/BIFMA X5.1 Clause 17 | |
| Caster rolling durability | 100000 cycles | |
| Seat static load capacity | 102 kg |
Standards applicable to China-market projects
| Office chair safety standard | GB/T 10357.2 | |
|---|---|---|
| Upholstery fabric durability | GB/T 21196.2 |
This product must meet the following technical requirements: 1. Office chair safety standard: GB/T 10357.2; 2. Upholstery fabric durability: GB/T 21196.2; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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