| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 600 x 950 mm | |
|---|---|---|
| Seat height adjustment range (floor to seat top) | 520 mm | |
| Seat width | 480 mm | |
| Seat depth | 440 mm | |
| Backrest height | 460 mm | |
| Backrest width | 450 mm | |
| Four-star base diameter | 580 mm | |
| Seat cushion thickness at center | 60 mm | |
| Backrest cushion thickness at center | 30 mm | |
| Gas lift outer diameter | 50 mm | |
| Floor glide size | 30 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
| Suggested maximum user weight | 120 kg | |
|---|---|---|
| Net weight range (assembled) | 16 kg | |
| Seat surface static load capacity | 160 kg | |
| Pneumatic height adjustment durability | 60000 cycles | |
| Swivel rotation durability | 30000 cycles | |
| Floor glide static friction coefficient | 0.6 | |
| Maximum recommended user weight | 120 kg | |
| Pneumatic height adjustment cycle durability | 60000 cycles | |
| Swivel rotation cycle durability | 30000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer seat and back shell | 8mm thick bent plywood with walnut wood veneer, clear lacquer finish | |
|---|---|---|
| Seat upholstery | 1.0mm thick black faux leather (PU leather), matte finish | |
| Back upholstery | 1.0mm thick black faux leather (PU leather), matte finish, contoured to match bent wood shell curvature | |
| Seat cushion padding | High-resilience polyurethane foam, density 45 kg/m³, 45% rebound rate | |
| Backrest padding | High-resilience polyurethane foam, density 40 kg/m³, 40% rebound rate | |
| Height adjustment gas lift | Class 3 chrome-plated steel gas lift, 80mm adjustment stroke | |
| Four-star base | Polished die-cast aluminum, 3mm wall thickness, brushed polished finish | |
| Height adjustment lever | Glass-filled nylon lever with textured black finish, steel actuation rod | |
| Floor contact glides | Non-marking black rubber glides, press-fit into base leg ends | |
| Internal seat support plate | 3mm thick stamped steel plate, powder-coated black, connecting seat shell to gas lift and swivel mechanism | |
| Seam construction | Double-stitched upholstery seams, 8 stitches per 30mm seam length | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Single paddle lever on right side of seat activates gas lift to adjust seat height 520 mm from floor, locks at desired height when lever is released | |
|---|---|---|
| 360-degree swivel rotation | Seat and back assembly rotates fully around central gas lift axis with no rotation lock, allowing easy ingress/egress and multi-directional access in conference settings | |
| Fixed non-tilting seat and back | No tilt tension adjustment, tilt lock or recline function, maintaining fixed upright posture optimized for meeting and conference room use | |
| Armless design access | No armrests present, allowing unobstructed sliding under standard 720mm high conference tables and flexible sideways seating for collaborative discussion | |
| Fixed glide mobility | Non-wheeled rubber glides allow easy repositioning on hard flooring without scratching surfaces, while preventing unintended rolling during use | |
| Mid-back lumbar support | Contoured backrest follows natural spine curvature, providing passive lumbar support for upright meeting seating without adjustable lumbar components | |
| Fixed upright non-reclining posture | No tilt tension adjustment, tilt lock or recline mechanism installed, maintaining fixed upright seat-back angle optimized for meeting and conference room use | |
| Armless table clearance | No armrests present, allowing unobstructed sliding under standard 720mm high conference tables and flexible sideways seating for collaborative discussion | |
| Fixed glide repositioning | Non-wheeled rubber glides allow controlled repositioning on hard flooring without scratching surfaces, while preventing unintended rolling during seated use | |
| Contoured mid-back lumbar support | Curved backrest follows natural lumbar spine curvature, providing passive postural support for upright meeting seating without adjustable lumbar components | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 1 | |
|---|---|---|
| Shipping carton dimensions | 670 x 620 x 480 mm | |
| Gross shipping weight | 19 kg | |
| Shipping volume per unit (CBM) | 0.20 CBM | |
| assembly time | 15 minutes | |
| 20ft GP container loading quantity | 165 units | |
| 40ft HQ container loading quantity | 410 units | |
| Packaging materials | 5-layer double-wall corrugated carton, expanded polystyrene edge protectors, polyethylene film wrap, included hex key and assembly hardware | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Formal conference room seating | Ideal for formal conference and boardroom tables, with armless design that slides fully under standard 720mm table tops and walnut-aluminum finish matching professional office decor | |
|---|---|---|
| Executive guest seating | Suitable for placement in front of executive desks for visitor seating, with bent wood and faux leather finish matching premium office design schemes | |
| Compact home office seating | Appropriate for small home office spaces, with adjustable height accommodating standard 760 mm desk heights and neutral color palette matching residential interior styles | |
| Reception waiting area seating | Can be used in reception lounges and client waiting areas, with 50000-cycle abrasion-resistant upholstery and stable base suitable for high-traffic public use | |
| Collaborative workspace seating | Suitable for open plan collaborative zones and breakout meeting areas, with lightweight construction allowing easy reconfiguration of seating layouts | |
| Recommended floor surface compatibility | Best used on hard wood, tile, polished concrete and low-pile carpet flooring, with non-marking rubber glides preventing floor scratches without requiring additional floor mats | |
| Executive office guest seating | Suitable for placement in front of executive desks for visitor seating, with bent wood and matte PU finish matching premium private office design schemes | |
| Collaborative breakout seating | Suitable for open plan collaborative zones and breakout meeting areas, with 16kg lightweight construction allowing easy reconfiguration of seating layouts |
EU Market Access Requirements* EN Standards
| Office furniture safety strength | EN 1335:2018 | |
|---|---|---|
| Office furniture dimensional stability | EN 1335:2020 | |
| Upholstered furniture fire resistance | EN 1021:2014 | |
| Office chair safety standard | EN 1335:2018 | |
| Office chair dimensional standard | EN 1335:2020 | |
| Upholstery fire resistance standard | EN 1021:2014 |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
|---|
Standards applicable to China-market projects
| Office chair safety requirement | GB/T 3326 | |
|---|---|---|
| Office chair mechanical stability | GB/T 10357.3 | |
| Upholstered furniture formaldehyde limit | GB 18584 | |
| Furniture surface durability | GB/T 4893.8 | |
| Furniture dimensional standard | GB/T 3326 | |
| Chair mechanical performance standard | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Office chair safety requirement: GB/T 3326; 2. Office chair mechanical stability: GB/T 10357.3; 3. Upholstered furniture formaldehyde limit: GB 18584; 4. Furniture surface durability: GB/T 4893.8; 5. Furniture dimensional standard: GB/T 3326; 6. Chair mechanical performance standard: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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