| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 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 maximum user weight | 150 kg | |
|---|---|---|
| Net chair weight | 20.2 kg | |
| Seat foam density | 50 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Seat foam rebound rate | 60% | |
| Recommended user height range | 180 cm | |
| Caster rolling durability | 100000 cycles | |
| Gas lift cycle rating | 120000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support surface | Tensioned breathable grey polyester mesh | |
|---|---|---|
| Backrest structural frame | White reinforced polypropylene with glass fiber | |
| Seat support core | 12mm thick multi-layer plywood | |
| Seat cushion padding | Molded high-density polyurethane foam | |
| Seat upholstery | Woven abrasion-resistant grey polyester fabric | |
| Headrest surface | Matching grey breathable mesh with PP frame | |
| Armrest supports | White powder-coated steel uprights with soft TPU arm pads | |
| 5-star base | Chrome-plated 1.5mm thick steel construction | |
| Casters | 60mm PU-wrapped nylon dual-wheel casters | |
| Height adjustment gas lift | Class 3 chrome-plated steel gas lift | |
| Seat shell understructure | White molded polypropylene | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel function | Full rotation enabled by central gas lift and base assembly | |
|---|---|---|
| Seat height adjustment | 130mm vertical travel controlled by right-side lever, via Class 3 gas lift | |
| Backrest tilt function | 14-degree recline with single-position lock at upright position | |
| 2D headrest adjustment | 60mm vertical height adjustment plus 15-degree angle tilt | |
| 3D lumbar support adjustment | 70mm vertical and 30mm depth adjustment for lower back fit | |
| Armrest adjustment | 80mm height adjustment plus forward/back slide and pad angle rotation | |
| Smooth rolling mobility | Dual-wheel casters roll freely on hard floors and low-pile carpet | |
| Tilt tension control | Adjustable resistance knob under seat to match user body 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
| Private office workstation use | Suitable for 8 hour daily work for administrative and professional staff | |
|---|---|---|
| Home office setup | Neutral grey-white color scheme matches modern residential workspaces | |
| Co-working shared spaces | Adjustable features accommodate diverse user body types and preferences | |
| Conference meeting room use | Swivel and tilt functions support flexible interaction during long meetings | |
| Study room for students and remote learners | Adjustable lumbar and headrest support reduce fatigue during extended study | |
| 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
| Office chair safety and performance | EN 1335:2020 | |
|---|---|---|
| Office chair stability testing | EN 1022:2018 | |
| Upholstered furniture flame retardancy | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Gas lift safety requirement | ANSI/BIFMA X5.1 Clause 8 | |
| Caster durability requirement | ANSI/BIFMA X5.1 Clause 12 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 10357.2 | |
|---|---|---|
| Office chair safety requirement | GB 28007 | |
| Upholstered furniture environmental limit | GB 18584 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 10357.2; 2. Office chair safety requirement: GB 28007; 3. Upholstered furniture environmental limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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