| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 635 x 640 x 1095 mm | |
|---|---|---|
| Seat width | 505 mm | |
| Seat depth | 465 mm | |
| Maximum seat height from floor | 525 mm | |
| Minimum seat height from floor | 440 mm | |
| Backrest width | 430 mm | |
| Backrest height | 570 mm | |
| Armrest height above seat | 200 mm | |
| Five-star base diameter | 640 mm | |
| Caster diameter | 55 mm | |
| Seat height adjustment stroke | 85 mm | |
| Seat cushion thickness | 70 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
| Recommended maximum static load capacity | 136 kg | |
|---|---|---|
| Recommended user height range | 183 cm | |
| Product net weight | 14.75 kg | |
| Backrest maximum recline angle | 125° | |
| Mesh upholstery abrasion resistance | 30000 Martindale cycles | |
| Caster rolling durability rating | 100000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Mechanical component warranty | 2 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Structural frame (back/arm support) | White molded nylon (polyamide) | |
|---|---|---|
| Backrest upholstery | Dark grey 100% polyester breathable mesh | |
| Seat cushion core | Molded high-density polyurethane foam | |
| Seat upholstery | Dark grey wear-resistant polyester fabric | |
| Five-star base | White molded nylon (glass-fiber reinforced) | |
| Caster wheels | Black polyurethane (PU) swivel casters | |
| Gas lift cylinder | Black powder-coated steel, Class 3 rated | |
| Tilt mechanism | 2.5mm thick stamped steel chassis | |
| Armrest pads | Integral molded polypropylene with matte finish | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift with 85mm stroke, controlled by right-side under-seat lever | |
|---|---|---|
| 360-degree swivel rotation | Full rotation enabled by central swivel joint between seat and base | |
| Lockable tilt recline | Backrest tilts up to 125° with tension adjustment, locks in upright position | |
| Integrated lumbar support | Contoured mesh back provides fixed mid-back lumbar support | |
| Fixed arm support | Non-adjustable T-shaped armrests provide stable forearm support at 200mm above seat | |
| Rolling mobility | Five dual-wheel PU casters enable smooth movement on hard and low-pile carpet floors | |
| Tilt tension control | Knob under seat adjusts recline resistance to match 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 | Suitable for 8-hour daily staff use with compact footprint for standard desk layouts | |
|---|---|---|
| Home office study spaces | Minimalist white and grey finish complements modern residential decor without occupying excess space | |
| Meeting and collaboration zones | Mobile swivel design allows easy repositioning during team discussions | |
| Co-working shared spaces | Durable construction and standard ergonomics support multi-user rotating use | |
| Height range compatibility | Adjustable seat height fits standard 760 mm height office desks for proper ergonomic posture | |
| 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 work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to strength, durability and stability test methods for office seating | |
| EN 1021-1:2014 | Applies to upholstered furniture ignition resistance for smoldering cigarette sources |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to structural durability, static load and cycle testing for general purpose office chairs |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to size measurement and dimensional tolerances for office furniture seating | |
|---|---|---|
| GB/T 38609-2020 | Applies to stability, strength and durability requirements for office task chairs | |
| GB 18584-2001 | Applies to formaldehyde emission limits for furniture components used in indoor spaces |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to size measurement and dimensional tolerances for office furniture seating; 2. GB/T 38609-2020: Applies to stability, strength and durability requirements for office task chairs; 3. GB 18584-2001: Applies to formaldehyde emission limits for furniture components used in indoor spaces; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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