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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W×D×H) | 660 × 680 × 1080mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Seat height range (floor to seat top) | 520mm | |
| Backrest height (seat top to back top) | 620 mm | |
| Backrest width | 500 mm | |
| Armrest height (seat top to armrest top) | 220 mm | |
| Five-star base radius (center to caster axle) | 320 mm | |
| Caster diameter | 50 mm | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Armrest width | 80mm | |
| Five-star base diameter (caster tip to caster tip) | 640 mm | |
| Minimum under-seat knee clearance height | 160 mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm |
Net weight / load capacity / users / durability
| Product net weight reference | 22kg | |
|---|---|---|
| Maximum recommended static user weight | 120 kg | |
| Caster rolling durability | ≥100000 rolling cycles | |
| Seat static load capacity | ≥1200 N | |
| Backrest tilt angle range | 115 degrees from vertical | |
| Seam stitch pitch | 10 stitches per 30mm | |
| Upholstery abrasion resistance | ≥50000 Martindale cycles | |
| Gas lift durability | ≥100000 height adjustment cycles | |
| Five-star base static load rating | ≥1136 kg | |
| Seat Foam Density / Rebound Reference | 45kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Smooth taupe PU leather, 1.2mm thickness | |
|---|---|---|
| Seat core padding | High-density polyurethane foam, density 45kg/m³, rebound rate ≥40% | |
| Backrest core padding | High-density polyurethane foam, density 40kg/m³ | |
| Armrest structure | Integrated padded armrests with same PU upholstery over rigid PP inner frame | |
| Lifting gas cylinder | Class 3 chrome-plated steel gas lift, outer diameter 50mm, 100mm stroke | |
| Five-star base | Polished die-cast aluminum alloy, leg wall thickness ≥2.5mm | |
| Tilt chassis | 2.5mm thick stamped steel chassis with black powder coat finish | |
| Casters | Black nylon dual-wheel hard-floor casters, 50mm diameter | |
| Internal backrest frame | 15mm thick molded plywood inner support frame | |
| Upholstery thread | High-tenacity polyester stitching thread, color matched to PU leather | |
| Seat Internal Support Board Thickness | 14mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic adjustment via side lever, 100mm vertical travel, locks at any height within 520mm range | |
|---|---|---|
| Backrest tilt function | Weight-activated synchro tilt, tilts up to 20 degrees backward, tension adjustable via rear rotary knob | |
| Swivel function | 360-degree continuous rotation around central gas lift axis, no swivel lock | |
| Mobility function | Five dual-wheel casters allow free rolling on hard and low-pile carpet floors, 360-degree caster steering | |
| Tilt lock function | Locks backrest in upright 95-degree position via side lever for focused work | |
| Ergonomic support | Contoured mid-back design provides built-in lumbar support without separate adjustable pad | |
| Armrest function | Fixed integrated padded armrests provide static elbow support, no height or width adjustment | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Carton count | 1 unit per carton | |
|---|---|---|
| Single carton dimensions (L×W×H) | 700 × 650 × 550mm | |
| Gross weight per carton | 26kg | |
| Cargo volume per unit | 0.25m³ | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm | |
| Reference Packaged Gross Weight | 23kg/set | |
| Reference Carton Volume | 0.26m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Executive private office | Suitable for manager and executive workspaces, professional taupe leather finish matches formal office decor | |
|---|---|---|
| Conference room seating | Suitable for boardroom and meeting room use, fixed armrests and mobile base support easy repositioning during meetings | |
| Home office workspace | Suitable for premium home office setups, compact mid-back footprint fits standard home desk dimensions | |
| Commercial reception area | Suitable for visitor seating in reception zones, polished aluminum base provides premium aesthetic appearance | |
| Recommended pairing | Pairs with 760mm height standard executive desks to achieve ergonomic seated elbow alignment | |
| Open plan workstation | Suitable for senior staff open plan workstations, neutral taupe finish coordinates with standard modular office furniture systems | |
| Recommended Matching Desk Size | 2.4m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
European market access and chemical requirements
| EN 1335-1:2020 applicability | Applies to office chair dimensional and structural safety requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 applicability | Applies to mechanical safety test methods including strength, durability and stability | |
| EN 1335-3:2009 applicability | Applies to test methods for office chair stability and load capacity |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 5 applicability | Covers backrest strength and cyclic durability testing requirements, minimum 120000 backrest cycles | |
|---|---|---|
| Gas lift durability cycles | Recommended references: BIFMA X5.1 |
Standards applicable to China-market projects
| GB/T 3326-2016 applicability | Applies to size measurement and dimension tolerance verification for office chairs | |
|---|---|---|
| GB/T 35607-2017 applicability | Applies to formaldehyde emission limit testing for upholstered furniture components | |
| GB 28007-2011 applicability | Applies to stability, strength and durability testing for office chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016 applicability: Applies to size measurement and dimension tolerance verification for office chairs; 2. GB/T 35607-2017 applicability: Applies to formaldehyde emission limit testing for upholstered furniture components; 3. GB 28007-2011 applicability: Applies to stability, strength and durability testing for office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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