| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (WxDxH) | 680 x 680 x 1220 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
| Product net weight | 18 kg | |
|---|---|---|
| Maximum static user weight capacity | 150 kg | |
| Recommended daily use duration | 8 hours | |
| Gas lift cycle rating | 100000 cycles | |
| Caster rolling durability | 60000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Mesh fabric abrasion resistance | 50000 Martindale cycles | |
| Seam stitch pitch | 3 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable polyester mesh | |
|---|---|---|
| Seat surface upholstery | Woven polyester fabric over foam cushion | |
| Cushion core | High-density polyurethane foam | |
| Structural frame (back/arm support) | Reinforced glass-fiber nylon | |
| Height adjustment gas lift | Chromed steel with Class 3 safety rating | |
| Five-star base | Injection-molded reinforced nylon | |
| Casters | Polyurethane tread with nylon hub | |
| Height adjustment lever | Reinforced nylon | |
| Back support pads | Fabric-wrapped foam over rigid plastic backing | |
| Headrest pad | Fabric-wrapped foam | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100 mm vertical travel via side lever | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central gas lift axis | |
| Backrest tilt function | 15-degree recline with tension adjustment | |
| Dual-zone back support | Separate adjustable lumbar and thoracic padded panels | |
| Smooth rolling mobility | 5 dual-wheel casters for multi-surface movement | |
| Fixed contoured armrests | Curved arm support surfaces positioned at desk height | |
| Stable weight distribution | Five-star base geometry with 340 mm leg radius | |
| 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 | Designed for full-shift employee use with breathable back support for long seated periods | |
|---|---|---|
| Home office setups | Compact footprint fits standard home desks with neutral light gray aesthetic for residential spaces | |
| Conference/meeting rooms | Swivel and mobility features support collaborative discussion and repositioning during meetings | |
| Task-focused work areas | Ergonomic support reduces fatigue during extended computer work, writing or document review | |
| Executive private offices | Polished light gray finish pairs with modern executive desks for a professional appearance | |
| Co-working spaces | Durable upholstery and stable construction supports frequent use by rotating users | |
| 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 office chair dimensional and functional safety requirements for work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to structural strength and durability testing requirements for office task chairs | |
| EN 1335-3:2018 | Applies to test methods for verifying office chair safety and performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general purpose office chair safety, durability and structural performance requirements | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to enhanced load capacity testing for heavy-user office seating up to 159 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional measurement of office chair seating and structural components | |
|---|---|---|
| GB/T 3324-2017 | Applies to general technical requirements for wooden/metal office furniture durability | |
| GB 28007-2011 | Applies to safety requirements for swivel office chairs for adult use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional measurement of office chair seating and structural components; 2. GB/T 3324-2017: Applies to general technical requirements for wooden/metal office furniture durability; 3. GB 28007-2011: Applies to safety requirements for swivel office chairs for adult use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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