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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimension (W x D x H) | 650 x 620 x 1010 mm | |
|---|---|---|
| Seat height range (adjustable) | 430 mm to 530 mm | |
| Seat cushion width | 500 mm | |
| Seat cushion depth | 480 mm | |
| Backrest height (from seat surface) | 480 mm | |
| Armrest height (from seat surface) | 220 mm | |
| Five-star base diameter | 680 mm | |
| Caster protrusion from base end | 35 mm | |
| Seat to underside of thigh clearance at lowest position | 430 mm | |
| Backrest width at shoulder level | 490 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 product weight | 18 kg | |
|---|---|---|
| Recommended maximum user weight | 120 kg | |
| Seat cushion static load capacity | 150 kg | |
| Backrest recline angle range | 12 degrees | |
| Swivel rotation range | 360 degrees | |
| Fabric abrasion resistance (upholstery) | 50000 Martindale cycles | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Frame warranty period | 3 years | |
| Seam stitch pitch | 8 stitches per 30mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer structural shell | 12mm thick high-density molded plywood with high-gloss white polyurethane paint finish | |
|---|---|---|
| Seat upholstery pad | Brown faux leather (PU) upholstery over high-density polyurethane foam | |
| Backrest upholstery pad | Brown faux leather (PU) upholstery over medium-density polyurethane foam | |
| Integrated armrest pad | Brown faux leather (PU) upholstery over molded foam, bonded to white shell arm structure | |
| Five-star base | Polished die-cast aluminum alloy, 2.5mm wall thickness for each leg | |
| Central gas lift | Chrome-plated steel Class 3 gas lift, 50mm outer diameter, 100mm height adjustment stroke | |
| Tilt and height control mechanism | 2.5mm thick cold-rolled steel chassis with black powder-coated finish, two independent control levers | |
| Casters | Polished chrome-plated metal housing with polyurethane rolling surface, 50mm diameter, hard-floor suitable | |
| Back cut-out insert | Matching brown upholstered infill panel, forming open grip cut-out on backrest | |
| 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
| Seat height adjustment | Pneumatic height adjustment activated by right-hand lever, 100mm vertical travel to match desk heights from 720mm to 760mm | |
|---|---|---|
| Backrest tilt function | Synchronized tilt mechanism activated by left-hand lever, 12 degree maximum recline with infinite position lock | |
| 360-degree swivel rotation | Full rotation around central gas lift axis, no rotational stop to allow easy access to surrounding work surfaces | |
| Smooth rolling mobility | Five dual-wheel casters allow free movement on hard tile and low-pile carpet floors without floor scratching | |
| Integrated lumbar support | Contoured backrest foam provides fixed lumbar support at 180mm above seat surface, aligned with standard adult lower back position | |
| Integrated arm support | Fixed curved armrests integrated with shell structure, providing continuous arm support between seat and backrest without separate adjustment | |
| Shell ventilation design | Central cut-out in lower back shell improves air circulation for extended seated use | |
| 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
| Shipping carton dimensions (L x W x H) | 680 x 650 x 580 mm | |
|---|---|---|
| Gross shipping weight per unit | 21 kg | |
| CBM per shipping unit | 0.256 cbm | |
| Assembly time per unit | 15 minutes | |
| 20ft GP container loading quantity | 210 units | |
| 40ft HQ container loading quantity | 520 units | |
| Inner packaging material | PE plastic dust cover, 30mm thick EPS foam corner protection, corrugated cardboard dividers between components | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Executive private office | Suitable for management and executive office spaces, complementing modern white and wood office desks with a refined professional appearance | |
|---|---|---|
| Open plan office workstation | Suitable for premium open plan workstations, providing ergonomic support for 8 hour daily seated work | |
| Conference and meeting rooms | Suitable for boardroom and meeting spaces, the sleek shell design presents a formal appearance for client meetings and internal discussions | |
| Modern home office | Suitable for residential home offices, the compact footprint fits standard home desk sizes without occupying excess floor space | |
| Reception and visitor areas | Suitable for reception lounge and guest seating areas, the stylish curved design creates a welcoming first impression for visitors | |
| 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
| EN 1335-1:2020 | Applicable European standard for office work chairs, defining dimensional requirements for task seating intended for use at office workstations | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office chair safety requirements, covering static load, durability and stability performance | |
| EN 1022:2019 | Applicable standard for seating stability verification for all domestic and contract seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for general purpose office chairs, specifying requirements for structural durability, static load and cyclic testing |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 24821-2009 | Applicable standard for office chair mechanical stability, requiring no forward/sideways tipping under standard static load | |
| GB 28007-2011 | Applicable standard for formaldehyde emission limits for upholstered furniture parts, requiring E1 level emission ≤0.124mg/m³ |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standards and test results require confirmation; 2. GB/T 24821-2009: Applicable standard for office chair mechanical stability, requiring no forward/sideways tipping under standard static load; 3. GB 28007-2011: Applicable standard for formaldehyde emission limits for upholstered furniture parts, requiring E1 level emission ≤0.124mg/m³; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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