| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 600 x 620 x 980 mm | |
|---|---|---|
| Seat width | 490 mm | |
| Seat depth | 450 mm | |
| Seat height range (floor to seat top) | 510 mm | |
| Backrest height (seat top to back top) | 460 mm | |
| Backrest width | 460 mm | |
| 5-star base diameter | 640 mm | |
| Caster wheel diameter | 50 mm | |
| Gas lift outer column diameter | 50 mm | |
| Seat cushion thickness | 60 mm | |
| Bentwood shell edge thickness | 12 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 chair weight | 14 kg | |
|---|---|---|
| Recommended user weight capacity | 120 kg | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam density (backrest) | 35 kg/m³ | |
| Fabric/upholstery abrasion resistance | 50000 cycles | |
| Base static load rating | 500 kg | |
| Caster rolling durability | 100000 cycles | |
| Available finish options | 4 | |
| Suggested warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Smooth matte faux leather (polyurethane surface) | |
|---|---|---|
| Outer back shell | Curved bent plywood with walnut/white/light gray finish | |
| Seat and back cushion core | Molded high-resilience polyurethane foam | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift | |
| 5-star base | Polished die-cast aluminum alloy with bright chrome finish | |
| Caster wheels | Black TPE (thermoplastic elastomer) twin-wheel casters with chrome housing | |
| Height adjustment lever | Black reinforced nylon paddle lever | |
| Seat mounting plate | 2.5mm thick powder-coated steel | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic 100mm vertical height adjustment activated by right-side paddle lever, locks at any position within 510 mm seat height range | |
|---|---|---|
| 360-degree swivel rotation | Full 360-degree horizontal rotation around the central gas lift column for multi-directional access | |
| Smooth caster mobility | Dual-wheel casters allow free rolling on hard floor surfaces, no brake mechanism fitted | |
| Fixed contoured back support | Curved mid-height backrest with fixed lumbar contour, no tilt or recline adjustment, aligned for upright working posture | |
| Armless design clearance | Armless construction allows full lateral movement and tucking under standard 730mm height office desks when lowered | |
| Integrated bentwood side support | Curved bentwood shell wraps around seat and back sides to provide subtle lateral body support during seated tasks | |
| 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
| Number of shipping packages | 1 per chair | |
|---|---|---|
| Shipping carton dimensions | 670 x 660 x 460 mm | |
| Gross shipping weight per unit | 17 kg | |
| Cubic volume per unit | 0.204 CBM | |
| Assembly time per unit | 20 minutes | |
| 20ft GP container loading quantity | 130 units | |
| 40ft HQ container loading quantity | 330 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
| Open plan office workstations | Suitable for short-to-medium duration desk work at standard office workstations, compact footprint and armless design fits standard desk modules | |
|---|---|---|
| Home office environments | Mid-century aesthetic matches residential decor, compact size works for small home office spaces and multi-purpose rooms | |
| Meeting and conference rooms | Uniform color option sets are suitable for conference room seating, swivel function supports collaborative discussion around meeting tables | |
| Reception and guest areas | Stylish upholstered finish provides comfortable guest seating in reception, waiting or visitor areas without sacrificing professional appearance | |
| Co-working flexible spaces | Lightweight caster design allows easy repositioning in flexible shared work environments, durable upholstery withstands high-traffic shared use | |
| Vanity or study desk use | Adjustable height range works for residential vanity tables, study desks or craft work surfaces where compact, stylish seating is required | |
| 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 | Applies to dimensional, safety and strength requirements for office work chairs, as baseline for European market acceptance | |
|---|---|---|
| EN 1335-2:2009 | Applies to safety performance test methods for office task chairs, including stability, load and durability testing | |
| EN 1021-1:2014 | Applies to upholstered furniture flammability (cigarette ignition resistance), minimum fire safety requirement for commercial office installations |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 5 | Applies to caster and base durability testing, including 100,000 cycle caster roll test and base static load test |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to size measurement of office seating, including critical dimensions for seat height, depth, width and backrest dimensions for procurement acceptance | |
|---|---|---|
| GB/T 35607-2017 | Applies to limits of harmful substances in upholstered furniture materials, required for formaldehyde, VOC and heavy metal content verification | |
| GB 28007-2011 | Applies to structural safety requirements for office swivel chairs, including stability, static load and durability performance |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to size measurement of office seating, including critical dimensions for seat height, depth, width and backrest dimensions for procurement acceptance; 2. GB/T 35607-2017: Applies to limits of harmful substances in upholstered furniture materials, required for formaldehyde, VOC and heavy metal content verification; 3. GB 28007-2011: Applies to structural safety requirements for office swivel chairs, including stability, static load and durability performance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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