| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 680 x 1100 mm | |
|---|---|---|
| Seat width | 515 mm | |
| Seat depth | 475 mm | |
| Seat height (adjustable range) | 530 mm | |
| Backrest height (from seat top) | 600 mm | |
| Backrest width | 480 mm | |
| Seat padding thickness | 80 mm | |
| Backrest padding thickness | 60 mm | |
| 4-star base total span diameter | 720 mm | |
| Gas lift cylinder diameter | 50 mm | |
| Floor glide diameter | 30 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight | 15 kg | |
|---|---|---|
| Recommended static user weight capacity | 150 kg | |
| Seat foam density | 50 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Upholstery Martindale abrasion resistance | 100000 double rubs | |
| 4-star base static load rating | 150 kg | |
| Gas lift stroke length | 140 mm | |
| Tilt/recline maximum angle | 12 degrees | |
| Seam stitch pitch | 8 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Smooth light blue faux (PU/PVC) or genuine upholstery leather with contrast stitching | |
|---|---|---|
| Seat core padding | High-resilience polyurethane foam | |
| Backrest core padding | High-resilience polyurethane foam | |
| Internal seat support panel | 12mm thick molded plywood | |
| Swivel/tilt mechanism | 2.5mm thick powder-coated steel plate | |
| Gas lift cylinder | Chrome-plated steel Class 3 pneumatic cylinder | |
| 4-star spider base | 3mm thick polished chrome-plated steel or polished aluminum alloy | |
| Floor contact glides | Hard nylon/rubber non-marring glides | |
| Adjustment lever | Black nylon-coated steel lever | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift adjustment activated by under-seat side lever, providing 140mm vertical travel between 390mm and 530mm seat height | |
|---|---|---|
| 360-degree swivel rotation | Full 360° horizontal rotation on central sealed bearing plate, enabling easy access to surrounding desk areas | |
| Back tilt/rock function | Single-lever activated tilt with tension adjustment, allowing up to 12° of backward recline from upright position | |
| Stationary floor positioning | Fixed non-rolling glide base, designed for stable placement on hard tile, wood or low-pile carpet floors without rolling movement | |
| Armless design clearance | No protruding armrests, enabling full under-desk clearance and flexible side-to-side seating movement for conference or task use | |
| Contoured ergonomic support | Integrated raised seat side bolsters and vertically segmented two-section backrest providing lumbar and upper back support for upright desk posture | |
| Recline Angle / Lock Reference | 125° with 3suggested 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 | 700 x 300 x 680 mm | |
| Packaged gross weight | 15 kg | |
| Shipping volume per unit | 0.143 CBM | |
| Required assembly time | 20 minutes | |
| 20ft GP container loading quantity | 180 units | |
| 40ft HQ container loading quantity | 450 units | |
| 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
| Open-plan office task stations | Suitable for individual workstations, with compact armless design that fits under standard 750mm height office desks and enables close access to work surfaces | |
|---|---|---|
| Conference/meeting rooms | Polished metal base and sleek light blue upholstery suit modern meeting spaces, with 360° swivel enabling easy interaction between meeting participants | |
| Home office workspaces | Compact footprint and stationary glide base prevent unwanted rolling on residential hard floors, with height adjustment to match varied home desk heights | |
| Reception/waiting areas | Upholstered padded seat and tall back provide guest comfort, with polished metal finish coordinating with modern reception desk aesthetics | |
| Hot-desking flexible workspaces | Armless design allows flexible seating positioning, with durable upholstery suitable for high-turnover multi-user environments | |
| Executive side/guest seating | Sleek minimalist design complements executive office desks as a guest chair positioned across from work surfaces, without bulk of wheeled executive chairs | |
| 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 (Office furniture - Office work chairs - Part 1: Dimensions) | Applies to functional dimension requirements for ergonomic office chair design, including seat height, depth and backrest dimensions | |
|---|---|---|
| EN 1335-2:2018 (Office furniture - Office work chairs - Part 2: Safety requirements) | Applies to structural safety, stability and strength performance requirements for commercial office seating | |
| EN 1021-1:2014 (Upholstered furniture - Ignitability - Part 1: Smouldering cigarette) | Applies to fire resistance requirements for upholstered seating components for contract office use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 (Office Chairs - General Purpose) | Applies to durability, static load, impact and stability testing standards for general purpose office task chairs, suitable for commercial procurement specification |
|---|
Standards applicable to China-market projects
| GB/T 35607-2017 (Formaldehyde emission limits for furniture) | Applies to formaldehyde emission limits for upholstered furniture components including foam and panel substrates | |
|---|---|---|
| GB/T 16799-2008 (Polyurethane leather for furniture) | Applies to performance requirements for PU/PVC faux leather upholstery if specified as the seat covering material |
This product must meet the following technical requirements: 1. GB/T 35607-2017 (Formaldehyde emission limits for furniture): Applies to formaldehyde emission limits for upholstered furniture components including foam and panel substrates; 2. GB/T 16799-2008 (Polyurethane leather for furniture): Applies to performance requirements for PU/PVC faux leather upholstery if specified as the seat covering material; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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