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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 620 x 650 x 980 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 450 mm | |
| Maximum seat height | 520 mm | |
| Minimum seat height | 420 mm | |
| Backrest height | 480 mm | |
| Backrest width | 460 mm | |
| Five-star base diameter | 640 mm | |
| Caster wheel diameter | 50 mm | |
| Seat cushion thickness | 70 mm | |
| Gas lift column diameter | 50 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 range | 12 kg | |
|---|---|---|
| Gas lift stroke length | 100 mm | |
| Seat rotation range | 360 degrees | |
| Caster rolling durability cycle count | 40000 cycles | |
| Gas lift cycle durability | 100000 cycles | |
| Seat upholstery abrasion resistance | 50000 Martindale cycles | |
| Available color options | 6 | |
| Maximum recommended user weight | 120 kg | |
| Backrest static load capacity | 76 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer back shell | Gloss white injection-molded polypropylene | |
|---|---|---|
| Seat cushion upholstery | Beige PU faux leather | |
| Backrest cushion upholstery | Beige PU faux leather, matched to seat | |
| Seat inner support board | 12mm thick molded plywood | |
| Cushion filling | 40kg/m³ density high-resilience polyurethane foam, 70mm thick seat, 50mm thick back | |
| Five-star base | Polished chrome-plated die-cast aluminum, 2.5mm wall thickness | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift, 50mm outer diameter | |
| Height adjustment lever | Black glass-filled nylon | |
| Caster wheels | Dual-wheel black polyurethane tread, chrome-plated steel bracket | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Swivel bearing assembly | Hardened steel raceway with nylon bushing | |
| Surface finish, metal components | Trivalent chrome plating, 0.2μm minimum plating thickness |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via side lever, 100mm vertical travel, locks at any position within stroke | |
|---|---|---|
| 360-degree swivel rotation | Unobstructed full rotation around central gas lift axis, no rotational locks | |
| Mobile rolling | 5 dual-wheel casters enable free movement on hard floors and low-pile carpet, brake-free design | |
| Fixed non-tilting backrest | Backrest is rigidly mounted to seat frame, no recline or tilt adjustment, provides consistent mid-back support | |
| Armless design | No armrests attached, allows full under-desk clearance for tight workspaces or sit-stand desk use | |
| Static weight support | Even weight distribution across 5 base legs prevents tipping during normal seated movement | |
| Armless clearance design | No attached armrests, providing full side clearance to slide completely under standard 750mm height desks | |
| Static stability control | Even weight distribution across 5 symmetrically spaced base legs prevents forward/side tipping during normal seated leaning and movement | |
| Low-friction floor protection | Polyurethane caster treads prevent scratching of hard floor surfaces and reduce rolling noise in quiet office environments | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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
| Open plan office workstations | Fits compact workstations without armrest overhang, easily slides under standard 750mm height desks | |
|---|---|---|
| Home office and study spaces | Modern two-tone beige and white aesthetic complements residential interiors, adjustable height suits varied desk heights | |
| Conference and meeting rooms | 360-degree swivel and mobile design supports easy movement during collaborative meetings, lightweight for reconfiguration | |
| Co-working and shared workspaces | Durable PU upholstery resists stains and frequent cleaning, commercial-grade casters withstand daily multi-user use | |
| Small home study nooks | Narrow 620mm width fits tight desk spaces where bulkier armchairs will not fit | |
| Front reception and guest seating | Streamlined modern appearance creates a professional first impression for visitor areas, mobile for easy repositioning | |
| Training and classroom spaces | Lightweight construction allows easy stacking or reconfiguration between training sessions, durable upholstery resists scuffs from frequent use | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office work chairs: Part 1 Dimensions - safety and dimensional requirements reference | |
|---|---|---|
| EN 1335-2:2018 | Office work chairs: Part 2 Safety requirements reference | |
| EN 1335-3:2009 | Office work chairs: Part 3 Test methods reference |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office Chairs: General purpose requirements reference, including static load, durability, and stability tests | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Office Chairs: Large occupant requirements reference (for optional upgraded capacity versions) | |
| Maximum recommended static load capacity | 120 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: desks and storage furniture dimensional accuracy reference, applies to matching desk height compatibility for this chair | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture mechanical performance test for chairs and stools: static load and durability test reference | |
| GB/T 27717-2011 | Office chair general technical requirements reference | |
| GB 18584-2001 | Indoor decorating and refurbishing materials: limit of harmful substances in furniture, reference for VOC and heavy metal content limits for upholstered components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: desks and storage furniture dimensional accuracy reference, applies to matching desk height compatibility for this chair; 2. GB/T 10357.3-2013: Furniture mechanical performance test for chairs and stools: static load and durability test reference; 3. GB/T 27717-2011: Office chair general technical requirements reference; 4. GB 18584-2001: Indoor decorating and refurbishing materials: limit of harmful substances in furniture, reference for VOC and heavy metal content limits for upholstered components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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