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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 620 x 1050 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range (floor to top of seat) | 520 mm | |
| Backrest height | 560 mm | |
| Backrest width | 490 mm | |
| Armrest height (seat to top of arm) | 210 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 80 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
| Recommended maximum user weight | 120 kg | |
|---|---|---|
| Net weight reference | 16 kg | |
| Seat foam density reference | 45 kg/m³ | |
| Back foam density reference | 35 kg/m³ | |
| Caster rolling durability reference | 100000 cycles | |
| Upholstery abrasion resistance reference | 50000 cycles | |
| Five-star base static load rating | 1000 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Smooth light off-white upholstery surface, likely faux leather or woven fabric, stitched at back lumbar panel | |
|---|---|---|
| Seat and back core padding | Polyurethane foam fill with molded contoured shape, lumbar support pad on backrest | |
| Internal seat support frame | Plywood or plastic load-bearing base panel under seat cushion | |
| Armrests and support structure | White rigid plastic T-shaped arm pads mounted on integrated white side brackets connecting seat and back frame | |
| Gas lift cylinder | Chrome-plated steel gas spring with black plastic adjustment collar | |
| Five-star base | Polished chrome-plated steel five-leg base with ribbed upper surface | |
| Casters | Black nylon twin-wheel swivel casters with chrome housing ring | |
| Tilt mechanism and controls | Black steel recline mechanism under seat with side-mounted plastic height-adjustment lever | |
| Stitching | Single-needle stitched seam across lower backrest lumbar section | |
| Backrest internal frame | Bent plywood inner support frame inside backrest padding | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment operated by side lever, providing vertical travel of 100 mm via gas lift | |
|---|---|---|
| 360-degree swivel | Full continuous rotation around vertical gas lift axis, supported by bearing in tilt mechanism | |
| Seat tilt function | Synchro or center-tilt recline mechanism allowing backward seat/back rotation of up to 12 degrees, controlled by under-seat lever | |
| Fixed armrest support | Non-adjustable T-shaped armrests rigidly mounted to side frame, providing forearm support at fixed height and width | |
| Mobility | Five swivel dual-wheel casters enabling rolling on hard or carpeted office floors | |
| Lumbar contour support | Recessed padded lumbar zone integrated into lower backrest for lower-back positioning | |
| Weight distribution | Five-leg base spreads user load across five contact points for stable static and dynamic balance | |
| Assembly method | User-assembled by attaching gas lift to base, inserting mechanism into gas lift, and clicking casters into base sockets | |
| Tilt tension adjustment | Rotary tension knob under seat adjusts recline resistance to match user body weight | |
| 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
| Packing configuration | 1 chair per flat-pack carton, knockdown form with seat-back sub-assembly and separate base/gas lift/casters | |
|---|---|---|
| Carton dimensions | 800 x 600 x 350 mm | |
| Gross weight per carton | 18 kg | |
| Volume per carton (CBM) | 0.17 m³ | |
| Assembly time per unit | 30 minutes | |
| 20ft container loading quantity | 350 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set |
Recommended spaces / users / usage modes
| General office workstations | Suitable for open-plan offices and individual work desks for daily computer-based tasks | |
|---|---|---|
| Meeting and conference rooms | Suitable for conference table seating with uniform aesthetic and swivel mobility for participant orientation | |
| Home office and study rooms | Suitable for residential home desks and compact workspaces requiring a space-saving task chair | |
| Administrative and reception areas | Suitable for reception stations and administrative desks where ergonomic adjustment and professional appearance are required | |
| Co-working and shared desks | Suitable for shared hot-desk environments due to quick height adjustment and easy mobility | |
| Training and seminar rooms | Suitable for training room seating with easy mobility for flexible room layout rearrangement | |
| 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 for office chair dimensional and functional requirements for workstations | |
|---|---|---|
| EN 1022:2018 | Applicable for seating stability testing under static loading conditions |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general office chairs performance and durability testing |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for furniture chair strength, durability and stability testing guidance | |
|---|---|---|
| GB 18401-2010 | Applicable for textile upholstery formaldehyde and harmful substance safety requirements | |
| GB/T 10357.1-2013 | Applicable for furniture seating strength and durability test methods |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for furniture chair strength, durability and stability testing guidance; 2. GB 18401-2010: Applicable for textile upholstery formaldehyde and harmful substance safety requirements; 3. GB/T 10357.1-2013: Applicable for furniture seating strength and durability test methods; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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