| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 600 x 900 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 440 mm | |
| Seat height range maximum | 520 mm | |
| Seat height range minimum | 420 mm | |
| Backrest height | 460 mm | |
| Backrest width | 450 mm | |
| Five-star base diameter | 600 mm | |
| Caster diameter | 50 mm | |
| Gas lift cylinder diameter | 50 mm | |
| Seat cushion thickness | 60 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 maximum | 12 kg | |
|---|---|---|
| Maximum recommended user weight | 120 kg | |
| Caster rolling durability cycles | 100000 | |
| Gas lift cycle durability | 100000 | |
| Applicable user count | 1 person | |
| Gas lift adjustment durability | 100000 cycles | |
| Seat static load capacity | 136 kg | |
| Seam tensile strength | 80 N | |
| Applicable occupant count | 1 person | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Light rose faux leather fabric with subtle grain texture | |
|---|---|---|
| Seat and back shell frame | White molded polypropylene structural shell | |
| Seat cushion core | High-resilience polyurethane foam | |
| Backrest core | Medium-density polyurethane foam | |
| Five-star base | Polished die-cast aluminum alloy with 2mm wall thickness | |
| Gas lift cylinder | Chrome-plated steel Class 3 gas lift | |
| Height adjustment mechanism | 1.8mm thick black powder-coated steel tilt and lift chassis | |
| Casters | Black nylon twin-wheel hard-floor casters | |
| Adjustment lever | Black reinforced nylon lift control lever | |
| Upholstery seam construction | Reinforced stitched seams with 8mm stitch pitch | |
| Seat and back structural shell | White molded polypropylene shell, 5mm wall thickness | |
| Backrest cushion core | Medium-density polyurethane foam, 30kg/m³ density, 35% rebound rate |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment with 100mm total vertical stroke, controlled by left-side lever, locks at any position within range | |
|---|---|---|
| Swivel function | 360-degree continuous free rotation around central gas lift axis, no rotation lock, enabled by swivel joint between chassis and gas lift | |
| Mobility function | Five twin-wheel casters enable omnidirectional rolling on hard floors and low-pile carpet, no brake mechanism on casters | |
| Tilt function | 10-degree backward seat tilt with automatic weight-activated tension adjustment, no multi-position tilt lock | |
| Seating posture support | Contoured seat cushion with rounded front edge reduces leg pressure, fixed upright backrest provides lower back support for short-duration task work | |
| 360-degree swivel | Continuous free rotation around central gas lift axis, no rotation lock, enabled by precision thrust bearing between chassis and gas lift | |
| Omnidirectional mobility | Five twin-wheel casters enable 360-degree rolling on hard floors and low-pile carpet up to 6mm pile height, no caster brake mechanism | |
| Weight-activated tilt | 10-degree backward seat-and-back synchronized tilt, automatic weight-responsive tension adjustment for users 120 kg, no multi-position tilt lock | |
| Posture support | Contoured seat cushion with waterfall front edge reduces under-thigh pressure, fixed angled backrest provides 95-degree upright support for short-duration task work | |
| Floor protection | Soft nylon caster tread prevents scratches on hardwood, tile and laminate flooring without requiring a chair mat | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
| Number of packages | 1 | |
|---|---|---|
| Packed carton dimensions | 630 x 590 x 450 mm | |
| Packed gross weight | 14 kg | |
| Per-unit shipping volume | 0.17 CBM | |
| Assembly time per unit | 20 minutes | |
| 20ft GP container loading quantity | 320 units | |
| 40ft GP container loading quantity | 660 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 office workstations | Compact armless design fits narrow desk footprints and shared work zones without obstruction to adjacent workers | |
|---|---|---|
| Home office study spaces | Light rose upholstery and polished chrome base complement modern residential interiors while providing functional height adjustment for desk work | |
| Conference and meeting rooms | 360-degree swivel and rolling function allows easy repositioning during collaborative meetings, without armrests blocking movement around conference tables | |
| Reception and visitor areas | Low-profile upholstered design provides comfortable temporary seating for guests, with easy movement for cleaning and reconfiguration | |
| Co-working flexible spaces | Durable metal base and casters support frequent reconfiguration between individual work and group collaboration zones | |
| Small conference meeting rooms | 360-degree swivel and rolling function allows easy repositioning during 90 minute collaborative meetings, with armless design allowing chairs to be pushed fully under 730mm high tables to save storage space | |
| Co-working flexible zones | Die-cast aluminum base and Class 3 gas lift support frequent daily reconfiguration between individual work and group collaboration in high-traffic shared spaces | |
| Makeup and vanity areas | Compact footprint and adjustable height pair with 750mm high vanity tables, with smooth casters allowing easy positioning for personal grooming use |
EU Market Access Requirements* EN Standards
| EN 1335-1:2000 | Applicable European standard for office work chairs, defining dimensional and safety requirements for office seating intended for 8 hours daily use | |
|---|---|---|
| EN 1335-2:2009 | Applicable European standard for office chair safety requirements, specifying structural strength, stability and durability test methods | |
| EN 1022:2005 | Applicable European standard for domestic and contract seating stability, applying to tip resistance testing for wheeled office chairs |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 5 | Applicable test requirement for caster durability, requiring 100000 cycles of rolling over test obstacles without functional failure | |
|---|---|---|
| Seat static load capacity | Recommended references: BIFMA X5.1 | |
| Base static load capacity | 1136 kg |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable general technical standard for metal furniture, covering base metal frame coating adhesion, corrosion resistance and structural requirements | |
|---|---|---|
| GB 18584-2001 | Applicable standard for limit of harmful substances in wooden and upholstered furniture, setting formaldehyde and volatile organic compound limits for indoor use | |
| GB/T 10357.3-2013 | Applicable standard for furniture mechanical performance testing for seating, covering seat and back durability, static load and stability test methods |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable general technical standard for metal furniture, covering base metal frame coating adhesion, corrosion resistance and structural requirements; 2. GB 18584-2001: Applicable standard for limit of harmful substances in wooden and upholstered furniture, setting formaldehyde and volatile organic compound limits for indoor use; 3. GB/T 10357.3-2013: Applicable standard for furniture mechanical performance testing for seating, covering seat and back durability, static load and stability test methods; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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