| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall product dimensions | 670 x 675 x 1200 mm | |
|---|---|---|
| Minimum seat height | 440 mm | |
| Maximum seat height | 620 mm | |
| Seat depth | 460 mm | |
| Backrest width | 490 mm | |
| Gas lift height adjustment stroke | 180 mm | |
| Seat surface width | 500 mm | |
| Five-star base diameter | 670 mm | |
| Fixed armrest height above seat | 220 mm | |
| Backrest height from seat | 700 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 chair weight | 15 kg | |
|---|---|---|
| Recommended static user load capacity | 150 kg | |
| Caster rolling durability cycles | 100000 | |
| Seat foam density | 40 kg/m³ | |
| Seat foam rebound rate | 40% | |
| Mesh backrest abrasion resistance cycles | 50000 | |
| Backrest tilt durability cycles | 100000 | |
| 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 woven polyester mesh | |
|---|---|---|
| Back frame | Glass-fiber reinforced PA nylon | |
| Seat pan core | 15 mm thick E1 grade bent plywood | |
| Seat cushion padding | 60 mm thick molded high-resilience polyurethane foam | |
| Fixed T-armrests | Injection-molded PP with flat PU top pad | |
| Five-star base | Injection-molded black nylon | |
| Gas lift cylinder | Class 3 chrome-plated steel, 50 mm tube diameter | |
| Tilt mechanism | 2.5 mm thick stamped steel butterfly chassis | |
| Casters | 60 mm diameter black PU dual-wheel swivel casters | |
| Integrated clothes hanger | Curved PP nylon integrated at back frame top | |
| Adjustable lumbar support | PP frame with padded support pad | |
| Backrest support panel | Breathable woven polyester mesh tensioned across frame |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 180 mm vertical stroke controlled by under-seat lever | |
|---|---|---|
| 360-degree swivel rotation | Full rotation enabled by central gas lift swivel joint | |
| Backrest tilt function | 125 degree maximum recline with single-position lock | |
| Vertical lumbar adjustment | 60 mm vertical sliding travel to fit different torso heights | |
| Smooth caster mobility | 360 degree swivel casters suitable for hard floor and low-pile carpet | |
| Integrated clothes hanger | Fixed curved hook at back top for hanging jackets or clothing | |
| Fixed T-armrest support | Stable arm support positioned at standard desk working height | |
| Vertical lumbar support adjustment | 60 mm vertical sliding travel to align with user lumbar curve | |
| Omnidirectional caster mobility | 360 degree swivel casters rated for hard floors and low-pile carpet | |
| Tilt tension adjustment | User-adjustable knob to modify recline resistance for user weight | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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 use at standard 760 mm height desks | |
|---|---|---|
| Home office study spaces | Compact footprint fits small home work areas without excess space | |
| Staff administrative work areas | Durable construction supports high-turnover frequent use environments | |
| Meeting and conference rooms | Consistent black finish matches standard office furniture design aesthetics | |
| Call center seating deployments | Breathable mesh back reduces heat buildup during long seated shifts | |
| Administrative staff work areas | Durable construction supports high-turnover frequent use in shared workspaces | |
| Call center and helpdesk seating | Breathable mesh back reduces heat buildup during continuous long seated shifts | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Office chair safety requirements | EN 1335:2018 | |
|---|---|---|
| Office chair stability testing | EN 1335:2009 | |
| Office work chair safety requirements | EN 1335:2018 | |
| Office chair stability and strength | EN 1335:2018 | |
| Office chair surface durability | EN 1335:2018 |
US and Canada office-furniture standards
| Office chair general purpose tests | ANSI/BIFMA X2017 | |
|---|---|---|
| Five-star base static load test | ANSI/BIFMA X5.1 Clause 5 | |
| Office chair general performance standard | ANSI/BIFMA X2017 | |
| Caster rolling durability test | ANSI/BIFMA X5.1 Clause 12 |
Standards applicable to China-market projects
| Office chair dimensional safety | GB/T 3326 | |
|---|---|---|
| Office chair mechanical durability | GB/T 10357.3 | |
| Seating environmental limits | GB 18584 | |
| Furniture hazardous material limits | GB 18584 |
This product must meet the following technical requirements: 1. Office chair dimensional safety: GB/T 3326; 2. Office chair mechanical durability: GB/T 10357.3; 3. Seating environmental limits: GB 18584; 4. Furniture hazardous material limits: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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