| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 600 x 1050 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range (floor to top of seat) | 520 mm | |
| Backrest width | 490 mm | |
| Backrest height | 540 mm | |
| Armrest height above seat | 210 mm | |
| Armrest pad width | 60 mm | |
| Chrome 5-star base diameter | 600 mm | |
| Caster diameter | 50 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 | |
|---|---|---|
| Chair net weight reference | 14 kg | |
| Seat foam density reference | 45 kg/m³ | |
| Gas lift class reference | Class 3 | |
| Caster rolling durability reference | 100000 cycles | |
| Stitch pitch on seat upholstery | 8 stitches per 50 mm | |
| Seat foam density | 45 kg/m³ | |
| Gas lift class | Class 3 | |
| Backrest tilt tension range | 120 N | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Grey breathable mesh fabric stretched over rigid plastic inner frame | |
|---|---|---|
| Seat cushion | Grey woven fabric upholstery over molded polyurethane foam core with plywood inner support | |
| Armrest assembly | White/light grey rigid nylon frame with integrated flat arm pad, fixed to seat pan side brackets | |
| Height adjustment mechanism | Black steel control chassis under seat with single-side adjustment lever, paired with chrome-plated pneumatic gas lift cylinder | |
| Base structure | Chrome-plated steel 5-star base with tapered leg profile and polished finish | |
| Casters | Black dual-wheel casters with dark outer tread, fitted into base leg sockets | |
| Backrest frame edge | Dark grey plastic outer frame border holding mesh tension and connecting to seat tilt mechanism | |
| Backrest outer frame | Dark grey ABS plastic outer frame border holding mesh tension and connecting to seat tilt mechanism via lower mounting brackets | |
| Gas lift cylinder | Chrome-plated steel outer tube with internal nitrogen-filled pneumatic structure, connecting seat mechanism to base center hub | |
| Control mechanism housing | Black engineering plastic outer cover enclosing internal steel tilt and height control components, mounted to underside of seat pan | |
| 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 gas lift operated by left-side lever, providing vertical height change to match desk surface height | |
|---|---|---|
| Swivel function | 360-degree continuous rotation around central gas lift axis, supported by bearing at base connection | |
| Backrest tilt function | Limited rocker recline with tension adjustment, allowing backrest to flex backward with user weight during seated movement | |
| Fixed armrest support | Rigid fixed-position armrests mounted to seat pan sides, providing stable forearm support without height or width adjustment | |
| Mobility function | Five dual-wheel casters enable smooth rolling on hard or low-pile carpet surfaces and easy chair repositioning across office floors | |
| Breathable back support | Stretched mesh backrest distributes back pressure and promotes air circulation for extended seated work | |
| Tilt tension adjustment | Rotary knob under seat front adjusts backrest tilt resistance to accommodate user weights between 50kg and 120kg, with clockwise rotation increasing tension | |
| 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 carton, flat-pack knockdown with seat, backrest, armrests, base, gas lift and casters separated | |
|---|---|---|
| Carton dimensions | 650 x 350 x 600 mm | |
| Gross weight per carton | 16 kg | |
| CBM per carton | 0.137 m³ | |
| Assembly time per unit | 20 minutes | |
| 20ft container loading quantity | 280 units | |
| 20ft general purpose container loading quantity | 280 units | |
| 40ft general purpose container loading quantity | 600 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Open-plan office workstation | Suitable for daily computer work at standard 750 mm height desks in open office environments | |
|---|---|---|
| Staff task seating | Designed for regular full-time office workers performing administrative, data entry or general desk tasks | |
| Meeting and conference rooms | Appropriate for conference room seating where swivel mobility and neutral modern appearance are required | |
| Home office setup | Compatible with home office desks for remote work or study use, with compact footprint for smaller rooms | |
| Shared workstation areas | Suitable for hot-desking or shared workstations due to easy height adjustment and durable easy-to-clean mesh surface | |
| Shared workstation hot-desk areas | Suitable for hot-desking or shared workstations in co-working spaces due to quick pneumatic height adjustment and easy-to-clean mesh surface | |
| Training room seating | Suitable for corporate training rooms with modular desk layouts, where mobile swivel seating supports group activities and frequent layout changes | |
| Reception and visitor areas | Appropriate for office reception area visitor seating with a professional modern appearance that matches standard office furniture aesthetics |
EU Market Access Requirements* EN Standards
| EN 1335-1 | 2020: Office furniture - Office work chair - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| EN 1335-2 | 2019: Office furniture - Office work chair - Part 2: Safety requirements |
US and Canada office-furniture standards
| BIFMA X5.1-2017 | General Requirements for Office Chairs |
|---|
Standards applicable to China-market projects
| GB/T 14728-2010 | Office furniture - Chairs - Determination of strength, durability and stability | |
|---|---|---|
| GB/T 39223.3-2020 | Furniture - Environmental evaluation of furniture - Part 3: Office furniture | |
| GB/T 26705-2011 | Furniture - Classification and coding of office furniture |
This product must meet the following technical requirements: 1. GB/T 14728-2010: Office furniture - Chairs - Determination of strength, durability and stability; 2. GB/T 39223.3-2020: Furniture - Environmental evaluation of furniture - Part 3: Office furniture; 3. GB/T 26705-2011: Furniture - Classification and coding of office furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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