| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 680 x 680 x 1230 mm | |
|---|---|---|
| Seat depth | 500 mm | |
| Backrest frame height | 600 mm | |
| Maximum seat height from floor | 555 mm | |
| Maximum armrest height above seat | 235 mm | |
| Five-star base wheel span diameter | 740 mm | |
| Headrest width | 295 mm | |
| Headrest vertical travel | 50 mm | |
| Armrest forward extension from seat front | 430 mm | |
| Backrest width | 515 mm | |
| Minimum armrest height from floor | 650 mm | |
| Maximum seat height to back top | 715 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 product weight | 18 kg | |
|---|---|---|
| Maximum recommended user weight | 150 kg | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 300000 cycles | |
| Tilt mechanism cycle durability | 300000 cycles | |
| Mesh fabric abrasion resistance | 50000 Martindale cycles | |
| Gas lift safety load rating | 150 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Limited warranty period | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest and seat upholstery | Breathable woven polyester mesh | |
|---|---|---|
| Back support frame | Glass-fiber reinforced white PP plastic | |
| Seat cushion core | 50mm thick high-density molded injection foam | |
| Armrest pads | 15mm thick PU padded surfaces on height-adjustable supports | |
| Five-star base | 10mm thick polished die-cast aluminum alloy | |
| Casters | 50mm diameter dual-wheel PU soft tread casters | |
| Height adjustment component | 50mm diameter Class 3 steel gas lift with chrome finish | |
| Tilt mechanism chassis | 3mm thick stamped steel synchro-tilt mechanism | |
| Internal seat support plate | 12mm thick curved plywood with laminated reinforcement | |
| Frame connection hardware | Zinc-plated steel bolts and adjustment brackets | |
| 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 | 100mm vertical travel via gas lift lever under right seat side | |
|---|---|---|
| Headrest adjustment | 50mm vertical height travel plus 15° tilt adjustment | |
| Armrest adjustment | 70mm vertical height adjustment to match desk surface height | |
| Backrest recline | 120° maximum backward tilt with 3-position tilt lock | |
| Lumbar support | Flexible Y-frame dynamic lumbar support with 50mm depth yield | |
| Swivel function | 360° unrestricted rotation around central gas lift axis | |
| Tilt tension control | Adjustable resistance knob to match user body weight | |
| Mobility function | Smooth-rolling casters suitable for hard floors and low-pile carpet | |
| 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
| Home office workspace | Suits 760 mm standard height desks for daily remote work | |
|---|---|---|
| Commercial open office workstations | Designed for 8+ hours daily seated task work for office staff | |
| Conference and meeting rooms | Swivel and tilt function supports collaborative discussion settings | |
| Student study spaces | Adjustable components fit teen and adult users for long study sessions | |
| Creative studio work areas | Pink/white color scheme fits modern light-toned studio decor | |
| Executive private offices | High-back design provides upper back and neck support for managers | |
| 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 requirements | EN 1335:2018 | |
|---|---|---|
| Office chair dimensional stability | EN 1335:2020 | |
| Office furniture caster performance | EN 12529:2021 | |
| Furniture fire resistance | EN 1021:2014 |
US and Canada office-furniture standards
| General purpose office chairs standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair base load test | ANSI/BIFMA X5.1 Test 5 | |
| Caster durability test | ANSI/BIFMA X5.1 Test 12 | |
| Gas lift performance test | ANSI/BIFMA X5.1 Test 7 |
Standards applicable to China-market projects
| Office chair stability test | GB/T 10357.2 | |
|---|---|---|
| Office chair strength and durability | GB/T 10357.3 | |
| Office chair gas lift safety | GB/T 26021 | |
| Furniture hazardous material limit | GB 18584 |
This product must meet the following technical requirements: 1. Office chair stability test: GB/T 10357.2; 2. Office chair strength and durability: GB/T 10357.3; 3. Office chair gas lift safety: GB/T 26021; 4. Furniture hazardous material limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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