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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 650 x 980 mm | |
|---|---|---|
| Seat height adjustment range | 420 mm to 520 mm | |
| Seat width | 500 mm | |
| Seat depth | 470 mm | |
| Seat foam thickness | 80 mm | |
| Backrest height | 480 mm | |
| Backrest width | 480 mm | |
| Fixed armrest height above seat | 220 mm | |
| Armrest width per side | 80 mm | |
| Five-star base diameter | 680 mm | |
| Caster diameter | 60 mm | |
| Knee clearance under shell | 170 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
| Chair net weight | 22 kg | |
|---|---|---|
| Seat static load capacity | 136 kg | |
| Caster rolling durability | 100000 cycles | |
| Gas lift cycle rating | 120000 adjustments | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Seam stitch pitch | 8 stitches per inch | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer seat/back shell | White injection-molded polypropylene with matte finish, integrated looped armrests | |
|---|---|---|
| Seat cushion upholstery | Burgundy top-grain leather with padded edge trim | |
| Backrest upholstery | Burgundy top-grain leather, contoured to match shell curvature | |
| Seat internal support frame | 3mm thick cold-rolled steel plate, powder-coated black | |
| Five-star base | Polished die-cast aluminum alloy, 3mm wall thickness | |
| Gas lift | Chrome-plated Class 3 steel gas lift, 50mm outer diameter, 100mm travel | |
| Tilt mechanism | 3mm thick steel synchro-tilt chassis with tension adjustment knob | |
| Armrest structure | Integral molded polypropylene matching outer shell, padded contact surface not visible on structural arms | |
| Casters | Black polyurethane dual-wheel casters with steel swivel bearings | |
| Mechanism hardware | Zinc-plated steel bolts, lock nuts and adjustment levers | |
| Seat cushion foam | High-resilience polyurethane foam, 80mm thickness | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic adjustment via right-side lever, 100mm travel between 420mm and 520mm seat height, locks at user-selected position | |
|---|---|---|
| 360-degree swivel rotation | Full rotational movement around central gas lift axis, no rotation lock for easy access to desk surfaces | |
| Synchro-tilt back recline | Backrest reclines in sync with slight seat tilt, 20 degree maximum recline angle from upright position, tension adjustable via knob under seat | |
| Upright position tilt lock | Locking function to fix backrest in 95-degree upright position for focused desk work | |
| Smooth caster mobility | Dual-wheel PU casters roll freely on hard smooth floors, with 360-degree swivel for multidirectional movement without floor scratching | |
| Integrated fixed arm support | Rigid looped armrests integrated with outer shell provide stable arm support at desk height, no height or width adjustment | |
| Contoured back support | Molded back shape follows natural spinal curve to provide mid-back support during long work sessions | |
| Edge waterfall seat front | Rounded front edge of seat reduces pressure on back of thighs to improve leg circulation | |
| Backrest recline range | 95 degrees to 115 degrees | |
| 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 packages | 1 piece | |
|---|---|---|
| Shipping carton dimensions | 750 x 680 x 580 mm | |
| Gross shipping weight per chair | 26 kg | |
| CBM per shipping unit | 0.30 CBM | |
| Required assembly time | 20 minutes | |
| 20ft GP container loading quantity | 220 pieces | |
| 40ft HQ container loading quantity | 540 pieces | |
| 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 offices | Suitable for manager and director workspaces, matching modern wood and metal executive desks shown in the reference scene | |
|---|---|---|
| Open plan office workstations | Appropriate for dedicated task workstations, with ergonomic adjustability for full-shift desk work | |
| Conference and meeting rooms | Formal appearance suits boardroom and meeting spaces, with swivel function for easy interaction around conference tables | |
| Modern design coworking spaces | Two-tone white and burgundy finish fits contemporary coworking interiors for premium client-facing areas | |
| Hard-floor office environments | PU casters are designed for use on polished concrete, vinyl and wood office floors without requiring additional caster replacements | |
| Recommended desk pairing | Matches 760 mm high executive desks with integrated or separate storage pedestals, as shown in the reference scene | |
| 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 chair dimensional safety and ergonomic requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office chair strength, durability and stability performance requirements | |
| EN 1021-1:2014 | Applicable European standard for upholstered furniture ignitability resistance to cigarette ignition |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable American national standard for office chairs, covering general purpose, executive and task seating performance requirements | |
|---|---|---|
| Maximum recommended user weight | 150 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office chair dimensional measurement and tolerance requirements for this executive task chair | |
|---|---|---|
| GB/T 35607-2017 | Applicable green product evaluation standard for furniture, recommended for low-VOC material verification during procurement | |
| GB 28007-2011 | Applicable safety standard for office chairs, covering stability, strength and durability requirements for commercial use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office chair dimensional measurement and tolerance requirements for this executive task chair; 2. GB/T 35607-2017: Applicable green product evaluation standard for furniture, recommended for low-VOC material verification during procurement; 3. GB 28007-2011: Applicable safety standard for office chairs, covering stability, strength and durability requirements for commercial use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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