| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W×D×H) | 650×680×1220mm | |
|---|---|---|
| Seat height adjustment range | 520mm | |
| Seat usable dimensions (W×D) | 500×480 mm | |
| Seat cushion thickness at center | 50 mm | |
| Backrest height (from seat surface to top) | 700 mm | |
| Backrest lumbar zone width | 420 mm | |
| Headrest dimensions (W×H) | 320×160 mm | |
| Headrest height adjustment range | 60 mm | |
| Armrest height above seat surface | 260mm | |
| Armrest pad dimensions (L×W) | 250×90 mm | |
| 5-star base diameter | 640 mm | |
| Caster diameter | 50 mm | |
| Minimum under-seat knee clearance | 180 mm | |
| Backrest height (from seat surface to top of backrest) | 620mm | |
| Lumbar support position above seat surface | 220mm | |
| Headrest adjustment travel | 60mm up/down, ±15° tilt |
Net weight / load capacity / users / durability
| Net product weight | 17kg | |
|---|---|---|
| Recommended maximum user weight | 125 kg | |
| Seat cushion static load rating | 160 kg | |
| Backrest tilt angle range | 120° | |
| Gas lift vertical travel | 100 mm | |
| Caster rolling durability | ≥40000 cycles | |
| Base static load rating | 500 kg | |
| Suggested daily use duration | 8 hours | |
| Seat foam indentation load deflection (40% ILD) | 45kg | |
| Mesh back fabric breathability | ≥300mm/s air permeability |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest surface | Gray breathable woven polyester mesh | |
|---|---|---|
| Headrest surface | Matching gray breathable woven polyester mesh | |
| Seat cushion core | 50kg/m³ high-resilience molded polyurethane foam | |
| Seat upholstery | Gray abrasion-resistant woven fabric | |
| Frame and back support structure | Glass-fiber reinforced gray polypropylene | |
| Armrest supports and pads | Injection-molded light gray polypropylene | |
| 5-star base | Glass-fiber reinforced light gray polypropylene | |
| Gas lift component | Chrome-plated steel with black plastic cover | |
| Tilt mechanism chassis | 2.5mm thick stamped steel with black powder coat | |
| Casters | Black polyurethane tread on nylon twin-wheel hubs | |
| Adjustment levers | Black injection-molded polypropylene | |
| Back frame and lumbar support structure | 3mm thick glass-fiber reinforced gray polypropylene, with integrated contoured lumbar bulge |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 100mm vertical travel, locks at any position within range | |
|---|---|---|
| Backrest recline function | Synchro-tilt recline with 95° to 120° tilt range, lockable at upright position, 1:2.5 seat-to-back tilt ratio | |
| Tilt tension adjustment | Rotary knob under seat adjusts recline resistance to match user weight | |
| Headrest adjustment | Up/down height adjustment 60mm with 15° angle tilt to support cervical spine | |
| Lumbar support | Built-in contoured integrated lumbar zone at lower back, positioned 220mm above seat surface | |
| 360-degree swivel rotation | Full 360° horizontal rotation around central gas lift axis for easy workstation access | |
| Mobility function | Smooth rolling on hard floors and low-pile carpet via 5 twin-wheel casters, no brake mechanism visible | |
| Armrest support function | Fixed-height curved arm pads supporting forearms during typing to reduce shoulder strain | |
| Backrest synchro-recline function | Synchro-tilt linkage provides 95° upright to 120° reclined backrest travel with 1:2.5 seat-to-back tilt ratio, lockable in upright position via left-side lever | |
| Headrest position adjustment | Tool-free up/down height adjustment across 60mm travel, ±15° pivot angle adjustment, to align support with cervical spine for users 185cm tall | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg |
Verified carton / gross weight / assembly / loading data
| 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 | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Open plan office workstations | Suitable for full-shift employee seating at standard 760mm high office desks, with lumbar support and breathable mesh for extended comfort | |
|---|---|---|
| Home office workspaces | Ideal for remote workers requiring ergonomic support at a home desk, with compact footprint and neutral gray color matching most interior styles | |
| Conference and meeting rooms | Suitable for 2 hour meeting seating, with swivel and rolling function for easy access around conference tables | |
| Cubicle and individual office spaces | Appropriate for private office or cubicle use, with adjustable height to fit users between 185cm tall | |
| Co-working and shared office spaces | Suitable for flexible shared workspaces, with durable fabric and mesh construction resistant to frequent user rotation | |
| Individual cubicle and private offices | Appropriate for private office or cubicle use, with 100mm height adjustment range fitting users 185cm tall, fixed armrests aligning with standard cubicle desk heights | |
| Co-working and flexible shared offices | Suitable for flexible shared workspaces, with abrasion-resistant fabric and mesh construction rated for high-frequency multi-user rotation, easy to clean between users | |
| Training room seating | Appropriate for staff training rooms with standard desk height tables, rolling casters allowing easy reconfiguration of room layouts for different training formats |
European market access and chemical requirements
| EN 1335-1:2020 | European standard for office furniture office chairs, defines dimensional requirements for task chairs | |
|---|---|---|
| EN 1335-2:2018 | European standard for office chair safety requirements, covers strength, durability and stability testing | |
| EN 1335-3:2009 | European standard for office chair test methods, defines standardized testing procedures for mechanical performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 5 | Recommends 125kg user weight rating and 100000 cycle swivel durability testing for commercial grade task chairs |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 35607-2017 | Recommended standard for green product assessment of furniture, to verify formaldehyde and harmful substance limits for foam and fabric materials | |
| GB 28007-2011 | Mandatory national standard for stability, strength and durability of office chairs, to verify static load, fatigue and tip-over performance |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standards and test results require confirmation; 2. GB/T 35607-2017: Recommended standard for green product assessment of furniture, to verify formaldehyde and harmful substance limits for foam and fabric materials; 3. GB 28007-2011: Mandatory national standard for stability, strength and durability of office chairs, to verify static load, fatigue and tip-over performance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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