| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 705 x 700 x 1345 mm | |
|---|---|---|
| Seat width | 515 mm | |
| Seat depth | 510 mm | |
| Seat height adjustment range top value | 530 mm | |
| Backrest total height | 690 mm | |
| Headrest width | 320 mm | |
| Armrest height above seat top value | 195 mm | |
| 5-star base diameter | 700 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 80 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 | 17 kg | |
|---|---|---|
| Maximum static user load | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Upholstery fabric abrasion resistance | 50000 Martindale cycles | |
| Gas lift service cycle rating | 100000 height adjustments | |
| Caster rolling durability | 100000 rolling cycles | |
| Recommended warranty period | 3 years | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest split support pads | Breathable polyester tension mesh over PP support frame | |
|---|---|---|
| Seat cushion core | 45kg/m³ high-density molded polyurethane foam | |
| Seat and back upholstery | Wear-resistant black polyester mesh fabric | |
| Internal support frame | 3mm thick reinforced nylon composite back and seat frame | |
| 5-star base | 3mm thick reinforced molded nylon with matte black finish | |
| Armrest pads and supports | 20mm thick padded polyurethane arm tops with nylon support stems | |
| Height adjustment gas lift | 50mm diameter chrome-plated Class 3 steel gas cylinder | |
| Seat mechanism chassis | 2.5mm thick stamped steel multi-lock tilt mechanism | |
| Caster wheels | 50mm diameter soft rubber tread swivel casters | |
| Headrest cushion | Padded polyester fabric over curved PP support bracket | |
| Seat upholstery | Wear-resistant black polyester fabric with matte finish | |
| Seam construction | 8mm stitch pitch reinforced polyester seam |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 80mm vertical travel via gas lift lever under seat front right | |
|---|---|---|
| Recline function | 135° backward tilt with multi-position lock and tension adjustment | |
| 360-degree swivel | Full rotation around central gas lift axis for multi-direction access | |
| Armrest adjustment | 80mm vertical height adjustment with padded fixed arm tops | |
| Headrest adjustment | 100mm vertical travel and 45° angle tilt for neck support | |
| Dual lumbar support | Independent split back pads conform to spine curve for targeted lower back support | |
| Caster mobility | Smooth rolling on hard floors and low-pile carpet via soft rubber casters | |
| Tilt tension control | Adjustable resistance knob under seat 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
| Corporate open office workstations | Suitable for 8-hour daily seated work with ergonomic spinal support | |
|---|---|---|
| Home office study spaces | Fits compact desk setups with swivel and mobility for multi-task use | |
| Meeting and conference rooms | Professional all-black finish matches commercial office interior design | |
| Standing desk companion seating | Adjustable seat height pairs with height-adjustable sit-stand work surfaces | |
| IT and design studio use | Breathable mesh back and recline function support long creative work sessions | |
| 150kg maximum user weight | Rated for average to larger build users in standard office environments | |
| IT and design studio workstations | Breathable fabric back and recline function support long focused creative work sessions | |
| Shared co-working spaces | Durable 50000-cycle upholstery and 150kg load rating support rotating multi-user operation |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to office work chair dimensional, safety and strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical performance and stability test methods | |
| EN 1022:2018 | Applies to domestic and contract seating stability testing standards |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety, durability and structural performance | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-capacity office chair load rating test requirements if specified |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture desk/chair dimension measurement and tolerance requirements | |
|---|---|---|
| GB 28007-2011 | Applies to office chair mechanical safety and stability performance requirements | |
| GB/T 35607-2017 | Applies to upholstered furniture harmful substance emission limits for indoor use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture desk/chair dimension measurement and tolerance requirements; 2. GB 28007-2011: Applies to office chair mechanical safety and stability performance requirements; 3. GB/T 35607-2017: Applies to upholstered furniture harmful substance emission limits for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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