| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 705 x 670 x 1275 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 510 mm | |
| Adjustable seat height range | 580 mm | |
| Backrest height (excluding headrest) | 790 mm | |
| Headrest dimensions | 280 x 160 mm | |
| Five-star base diameter | 700 mm | |
| Fixed armrest pad dimensions | 250 x 100 mm | |
| Lumbar support pad width | 440 mm | |
| Caster diameter | 60 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
| Recommended user weight capacity | 136 kg | |
|---|---|---|
| Net weight (chair only) | 23 kg | |
| Five-star base static load rating | 500 kg | |
| Back mesh durability cycle rating | 120000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Caster rolling durability | 100000 cycles | |
| Standard warranty period | 3 years | |
| Back upholstery durability cycle rating | 120000 cycles | |
| Gas lift cycle rating | 100000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable high-tensile polyester mesh | |
|---|---|---|
| Seat cushion core | Molded high-density polyurethane foam | |
| Internal structural frame | 30% glass-fiber reinforced polypropylene | |
| Fixed armrest structure | Reinforced nylon frame with padded PU top surface | |
| Gas lift cylinder | Chrome-plated steel Class 4 gas lift | |
| Five-star base | Glass-fiber reinforced injection-molded nylon | |
| Caster wheels | Soft polyurethane tread over nylon hub | |
| Headrest padding | Molded polyurethane foam with mesh outer wrap | |
| Internal back support frame | 30% glass-fiber reinforced polypropylene | |
| Fixed armrest assembly | Reinforced nylon frame with padded polyurethane top surface | |
| Recline mechanism chassis | 3 mm thick cold-rolled steel plate | |
| Seat support plate | 1.5 mm thick perforated steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 130 mm vertical travel via gas lift lever | |
|---|---|---|
| Backrest recline function | 45-degree recline range with multi-position lock | |
| Headrest adjustment | 80 mm vertical travel plus 45-degree rotation | |
| Dynamic lumbar support | Independent floating split lumbar pad | |
| Split dual upper back support | Two separate independent thoracic support pads | |
| Smooth rolling mobility | Dual-wheel casters for multi-directional movement | |
| Tilt tension adjustment | User-adjustable recline resistance knob | |
| Multi-directional rolling mobility | Dual-wheel casters with 360-degree swivel stems | |
| Tilt lock function | Single-lever lock for any angle between upright and fully reclined | |
| 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
| 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
| Open-plan office workstations | Suitable for 8+ hour daily seated work for administrative and professional staff | |
|---|---|---|
| Home office dedicated workspaces | Fits standard home desks and supports extended remote work comfort | |
| Conference and meeting rooms | Provides ergonomic support for long meetings and collaborative work sessions | |
| Computer lab and call center environments | Durable design suited for high-utilization shift-based work | |
| Executive private offices | Professional black finish complements premium office furniture layouts | |
| Student study and dormitory spaces | Adjustable height fits teenage and adult users for study and computer use | |
| Call center and computer lab environments | Durable construction suited for high-utilization shift-based daily operation | |
| Mid-tier executive private offices | Professional matte black finish complements premium office furniture layouts |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to dimensional safety and performance requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to structural strength, stability and durability test requirements | |
| EN 1022:2018 | Specifies stability test methods for all types of domestic and contract seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance test standards | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Specifies additional performance requirements for heavy-duty office seating applications | |
| Maximum recommended user weight capacity | 136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional and tolerance requirements for furniture procurement | |
|---|---|---|
| GB 28007-2011 | Applies to stability, strength and durability safety requirements for office task chairs | |
| GB/T 35607-2017 | Sets limits for harmful substance emissions from furniture upholstery and foam components | |
| GB/T 10357.3-2013 | Outlines test methods for strength and durability of chair backrests and seats |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional and tolerance requirements for furniture procurement; 2. GB 28007-2011: Applies to stability, strength and durability safety requirements for office task chairs; 3. GB/T 35607-2017: Sets limits for harmful substance emissions from furniture upholstery and foam components; 4. GB/T 10357.3-2013: Outlines test methods for strength and durability of chair backrests and seats; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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