| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 700 x 1290 mm | |
|---|---|---|
| Seat height adjustment range | 540 mm | |
| Seat width | 540 mm | |
| Seat depth | 500 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 60 mm | |
| Headrest dimensions | 300 x 170 mm | |
| Armrest height adjustment range | 720 mm | |
| Backrest width | 533 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
| Net weight | 18 kg | |
|---|---|---|
| Maximum static load capacity | 150 kg | |
| Recommended daily use duration | 8 hours | |
| Seat impact durability | 100000 cycles | |
| Gas lift cycle durability | 120000 cycles | |
| Caster rolling durability | 98000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Breathable polyester mesh over reinforced plastic frame | |
|---|---|---|
| Seat cushion | 50mm thick high-density molded foam with black fabric upholstery | |
| Headrest | Curved mesh panel with padded foam core on height-adjustable bracket | |
| Armrest pads | Soft polyurethane surface on rigid height-adjustable support posts | |
| Five-star base | 3mm thick reinforced nylon with black matte finish | |
| Gas lift cylinder | Class 4 steel with black powder coating | |
| Casters | Dual-wheel polyurethane with roller bearings and decorative ring | |
| Control mechanism | 3mm thick steel chassis with tilt tension adjustment | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical travel via gas lift actuated by right-side seat lever | |
|---|---|---|
| Backrest recline | 135° maximum tilt with multi-position lock controlled by under-seat lever | |
| Headrest adjustment | 100mm vertical lift and 45° rotation for neck support alignment | |
| Lumbar support | Adjustable curved pad with 50mm vertical travel for lower back fit | |
| Armrest adjustment | Height-adjustable arm pads with 100mm vertical travel for elbow support | |
| Swivel function | 360° full rotation around central gas lift column for multi-directional access | |
| Tilt tension control | Rotating knob under seat to adjust recline resistance for user weight | |
| 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 | Supports 8-hour daily seated work with adjustable ergonomic support | |
|---|---|---|
| Home office study spaces | Fits compact desk layouts with 360° swivel and rolling mobility for home use | |
| Conference room seating | Black neutral finish coordinates with standard office furniture for meeting spaces | |
| Shared desk hot-desking areas | Durable components and adjustable fit accommodate diverse user heights | |
| Task work for computer users | Lumbar, headrest and arm support reduce fatigue during extended screen time | |
| 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 | Applies to dimensional safety and performance requirements for office task chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to structural strength, durability and stability test requirements | |
| EN 1335-3:2009 | Applies to test methods for verifying office chair safety compliance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and durability test standards |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional and structural tolerance requirements for office seating | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical strength and stability test methods for office chairs | |
| GB 18584-2001 | Applies to formaldehyde emission limits for wooden and upholstered furniture components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional and structural tolerance requirements for office seating; 2. GB/T 10357.3-2013: Applies to mechanical strength and stability test methods for office chairs; 3. GB 18584-2001: Applies to formaldehyde emission limits for wooden and upholstered furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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