| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (WxDxH) | 680 x 650 x 1020 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Seat height (adjustable range maximum) | 520 mm | |
| Seat height (adjustable range minimum) | 420 mm | |
| Backrest height | 560 mm | |
| Backrest width at widest point | 540 mm | |
| Armrest height above seat | 200 mm | |
| Five-star base radius (leg span diameter) | 640 mm | |
| Caster wheel diameter | 50 mm | |
| Gas lift column diameter | 50 mm | |
| Upholstered shell total thickness at arm edge | 80 mm | |
| Seat width (inner usable) | 520 mm | |
| Seat depth (usable) | 480 mm | |
| Backrest height (seat surface to back top) | 660 mm | |
| Backrest width at widest shoulder point | 540 mm |
Net weight / load capacity / users / durability
| Product net weight | 19 kg | |
|---|---|---|
| Maximum static user load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam core thickness | 60 mm | |
| Backrest foam thickness | 40 mm | |
| Seat fabric abrasion resistance (Martindale) | 50000 cycles | |
| Upholstery seam stitch pitch | 8 stitches per 30mm | |
| Gas lift cycle durability rating | 120000 height adjustment cycles | |
| Base static load rating | 1136 kg | |
| Caster rolling durability | 100000 rolling cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back outer shell | Brown smooth faux leather upholstery, precision edge stitching | |
|---|---|---|
| Seat cushion core | High-resilience cold-cure polyurethane foam | |
| Backrest cushion core | Molded polyurethane foam with contoured lumbar support | |
| Armrests | Integrated upholstered armrests wrapped in matching brown faux leather | |
| Five-star base | Polished chrome-plated steel five-star base | |
| Gas lift column | Chrome-plated steel Class 3 pneumatic height adjustment cylinder | |
| Caster wheels | Dual-wheel black nylon casters with chrome mounting brackets | |
| Tilt/height adjustment mechanism | Powder-coated steel multi-function tilt chassis | |
| Internal support frame | 12mm thick plywood inner shell for seat and back | |
| Seat and back upholstery | Brown smooth polyurethane faux leather, precision rolled edge stitching | |
| Tilt tension adjustment component | Zinc-plated steel tension adjustment bolt with polymer knob | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Swivel function | 360-degree unlimited horizontal rotation enabled by central swivel joint | |
|---|---|---|
| Seat height adjustment | 100mm vertical height adjustment via right-side lever, controlled by pneumatic gas lift | |
| Tilt recline function | 12-degree backward synchronized tilt with adjustable tension control | |
| Tilt lock function | Lockable upright position for focused task work | |
| Mobility function | Smooth rolling on all standard office floor surfaces via 5 dual-wheel casters | |
| Fixed arm support | Integrated curved armrests provide stable forearm support during typing and meetings | |
| Lumbar support | Contoured backrest shape provides built-in mid-back lumbar support | |
| Tilt chassis plate thickness | 3 mm | |
| 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
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions (LxWxH) | 820 x 680 x 580 mm | |
| Shipping gross weight | 22 kg | |
| Carton volume (CBM) | 0.323 CBM | |
| Assembly time | 25 minutes | |
| 20ft GP container loading quantity | 87 units | |
| 40ft HQ container loading quantity | 216 units | |
| 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
| Private executive office | Suitable for executive desks as primary seating, matching professional and modern office aesthetics | |
|---|---|---|
| Open plan workstations | Usable as senior staff task seating in open office environments | |
| Meeting and conference rooms | Appropriate for boardroom and meeting room seating around conference tables | |
| Home office spaces | Suitable for residential home office setups | |
| Client reception areas | Usable as guest seating in private offices or reception zones | |
| Recommended desk compatibility | Pairs with desks 720mm to 760mm in work surface height | |
| Open plan senior workstations | Usable as senior staff task seating in open office environments | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - Office work chairs - Part 1: Dimensions, applies to verification of ergonomic dimension thresholds for adult office seating | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, applies to structural stability, strength and safety component requirements for commercial office chairs | |
| EN 1335-3:2018 | Office furniture - Office work chairs - Part 3: Test methods, provides standardized test procedures to validate safety and performance requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for office chairs, applies to general purpose office chair performance requirements including static load, durability, stability and caster testing |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: Chair and stool dimension standard, applies to verification of seat height, width, depth and backrest dimensions for adult office use | |
|---|---|---|
| GB/T 35607-2017 | Green product assessment standard for furniture, recommended acceptance threshold for formaldehyde and harmful substance emissions for indoor office use | |
| GB/T 10357.3-2013 | Furniture mechanical performance test standard for chairs and stools, applies to static load, durability and stability testing for commercial seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: Chair and stool dimension standard, applies to verification of seat height, width, depth and backrest dimensions for adult office use; 2. GB/T 35607-2017: Green product assessment standard for furniture, recommended acceptance threshold for formaldehyde and harmful substance emissions for indoor office use; 3. GB/T 10357.3-2013: Furniture mechanical performance test standard for chairs and stools, applies to static load, durability and stability testing for commercial seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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