| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 580 x 920 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 440 mm | |
| Seat height adjustment range | 520 mm | |
| Backrest height | 470 mm | |
| Backrest width | 450 mm | |
| 5-star base diameter | 600 mm | |
| Caster diameter | 50 mm | |
| Gas lift outer column 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
| Product net weight | 12 kg | |
|---|---|---|
| Maximum static user load | 120 kg | |
| Seat upholstery abrasion resistance | 50000 cycles | |
| Caster rolling durability | 40000 cycles | |
| Gas lift durability cycles | 100000 cycles | |
| Recommended user weight limit | 110 kg | |
| Color options available | 2 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer seat/back shell | 1.8mm thick light blue molded polypropylene with matte finish | |
|---|---|---|
| Seat cushion padding | 50mm thick high-resilience polyurethane foam, density 45kg/m³ | |
| Backrest padding | 30mm thick molded polyurethane foam, density 40kg/m³ | |
| Seat/back upholstery | 1.2mm thick black polyurethane (PU) leather with fine grain finish | |
| Seat supporting inner frame | 1.5mm thick powder-coated steel plate | |
| Height adjustment gas lift | Chrome-plated Class 3 steel gas lift, 100mm stroke | |
| 5-star base | Polished die-cast aluminum, 2.5mm wall thickness | |
| Swivel/tilt mechanism | 2.5mm thick powder-coated steel plate, 12-degree backward tilt | |
| Casters | Black nylon twin-wheel casters with metal mounting stems | |
| Height adjustment lever | Black nylon paddle lever | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic 100mm vertical adjustment via side lever, locks at any height within 520 mm seat height range | |
|---|---|---|
| 360-degree swivel rotation | Full 360-degree horizontal rotation of seat and back relative to base, no rotational lock | |
| Backward tilt function | 12-degree synchronized backward tilt of seat and back, free-float tension adjustable via knob under seat | |
| Mobility function | Smooth rolling on all 5 twin-wheel casters, suitable for hard wood, tile and low-pile carpet floors | |
| Armless design | No armrests attached, allows tucking fully under standard 750mm high desks to save space | |
| Fixed upholstered pads | Seat and back pads are permanently fixed to the outer shell, no removable cushion covers | |
| 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 cartons | 1 | |
|---|---|---|
| Shipping carton dimensions | 650 x 500 x 480 mm | |
| Gross shipping weight | 14 kg | |
| Shipping volume per unit | 0.156 CBM | |
| Assembly time per unit | 15 minutes | |
| 20ft GP container loading quantity | 210 units | |
| 40ft HQ container loading quantity | 520 units | |
| Standard product warranty | 3 years | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Open plan office workstations | Suitable for individual workstations in open offices, armless design allows flexible movement and tucking under desks to save floor space | |
|---|---|---|
| Conference and meeting rooms | Suitable for short-to-medium duration meetings, swivel and mobility function supports easy interaction between meeting participants | |
| Home office workspaces | Suitable for residential home office use, two-tone modern appearance fits contemporary home decor | |
| Training and study rooms | Suitable for training facilities and student study areas, durable construction supports frequent daily use and repositioning | |
| Reception and visitor areas | Suitable for reception desk seating or visitor chairs, modern minimalist aesthetic matches professional reception space design | |
| 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
| Applicable European office furniture safety standard | EN 1335:2020 | |
|---|---|---|
| Applicable upholstery fire resistance standard | EN 1021:2014 |
US and Canada office-furniture standards
| Applicable North American office chair standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Applicable caster performance standard | ANSI/BIFMA X2017 Clause 17 |
Standards applicable to China-market projects
| Applicable Chinese national standard for office chairs | GB/T 3326 | |
|---|---|---|
| Applicable mechanical performance standard | GB/T 10357.3 | |
| Applicable hazardous substance limit standard | GB 18584 |
This product must meet the following technical requirements: 1. Applicable Chinese national standard for office chairs: GB/T 3326; 2. Applicable mechanical performance standard: GB/T 10357.3; 3. Applicable hazardous substance limit standard: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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