| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| 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
Data source: Product performance data; verify exact test conditions before procurement.
| Net weight | 23 kg | |
|---|---|---|
| Recommended user weight capacity | 150 kg | |
| Static base load reference | 680 kg | |
| Seat foam density | 45 kg/m3 | |
| Back foam density | 35 kg/m3 | |
| Foam rebound | 40% | |
| Upholstery abrasion acceptance | 50,000 Martindale cycles | |
| Caster rolling durability | 100,000 cycles | |
| Gas-lift cycles | 100,000 height-adjustment cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat upholstery | Gray leather or leather-match surface over curved foam cushion | |
|---|---|---|
| Back upholstery | Gray leather or leather-match covering with two horizontal stitched panel divisions | |
| Seat cushion core | Molded polyurethane foam, 90 mm thick, 45 kg/m3 density | |
| Back cushion core | Shaped polyurethane foam, 70 mm thick, 35 kg/m3 density | |
| Internal seat board | 12 mm molded plywood or engineered composite seat pan | |
| Back support shell | Steel-reinforced contoured plywood or polypropylene shell | |
| Armrest pads | Gray upholstered foam pads with rounded front edges | |
| Arm supports | Polished die-cast aluminum open-loop frames with triangular side cutout | |
| Five-star base | Polished die-cast aluminum five-spoke base, 700 mm diameter | |
| Gas lift | Chrome-plated steel telescopic gas lift, 50 mm outer diameter, 100 mm stroke | |
| Tilt mechanism | Black steel multi-position synchro-tilt mechanism under the seat | |
| Casters | Black nylon twin-wheel swivel casters, 60 mm diameter, with metal mounting stems |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Pneumatic seat-height adjustment | Right-side lever raises or lowers the seat through a 100 mm stroke, 450 to 530 mm | |
|---|---|---|
| Synchronized recline | Back and seat move on a synchro ratio with 18-degree back recline and 7-degree seat tilt | |
| Recline lock positions | Four-position tilt lock, including upright, intermediate recline and full-lock modes | |
| Tilt tension control | Under-seat rotary knob adjusts spring resistance for users up to 150 kg | |
| Fixed arm support | Padded fixed armrests at 220 mm above seat provide forearm support without height adjustment | |
| High-back upper-body support | 760 mm segmented back supports lumbar, thoracic and shoulder regions during reclined work | |
| Mobile floor movement | Five twin-wheel casters provide rolling movement on hard floors and low-pile carpet | |
| Seat-edge pressure relief | Rounded waterfall front edge reduces thigh pressure while preserving 490 mm seat depth | |
| Quiet recline use | Concealed mechanism and padded shell contain the recline movement without exposed external cables | |
| 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
Data source: Reference for export quotations and container planning.
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Executive office | Suited to managers and executives needing high-back support and a polished leather appearance | |
|---|---|---|
| Private workstation | Appropriate for 6 to 8 hour desk work with a 450 to 530 mm seat height and 760 mm back support | |
| Meeting or boardroom setting | Provides a formal guest or leadership seat with swivel access and quiet caster movement | |
| Consultation room | Suitable for client discussions because fixed armrests and cushioned seat simplify entry and exit | |
| Professional reception office | Fits reception manager rooms requiring a refined gray finish rather than a mesh task chair | |
| Hard-floor or low-pile office areas | 60 mm twin-wheel casters are specified for wood, tile, vinyl and low-pile commercial carpet | |
| Single-user assigned seating | Best assigned to one regular user where recline tension and height can remain preset | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Office chair safety standard | EN 1335:2020 dimensional safety requirements for office work chairs | |
|---|---|---|
| Office chair mechanical durability | EN 1335:2018 strength, durability and stability test requirements | |
| Office chair ergonomics | EN 1335:2009 test methods for ergonomic characteristics | |
| Upholstered furniture flammability | EN 1021:2014 smouldering cigarette ignition resistance | |
| Furniture leather specification | EN 15987:2015 terminology and test guidance for leather upholstery |
US and Canada office-furniture standards
| Office chair safety and durability | ANSI/BIFMA X2017office chairs | |
|---|---|---|
| Lounge and executive seating review | ANSI/BIFMA X2023lounge seating public-use criteria | |
| Sustainable furniture certification | ANSI/BIFMA e2019Furniture Sustainability Standard |
Standards applicable to China-market projects
| Office chair safety applicability | GB/T 3324 general technical requirements for wooden furniture | |
|---|---|---|
| Upholstered furniture durability | GB/T 33247upholstered furniture test methods for seats and backs | |
| Formaldehyde emission | GB 18580formaldehyde emission for wood-based panels |
This product must meet the following technical requirements: 1. Office chair safety applicability: GB/T 3324 general technical requirements for wooden furniture; 2. Upholstered furniture durability: GB/T 33247upholstered furniture test methods for seats and backs; 3. Formaldehyde emission: GB 18580formaldehyde emission for wood-based panels; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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