| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 1250 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 user weight | 150 kg | |
|---|---|---|
| Product net weight | 18 kg | |
| Seat static load capacity | 1200 kg | |
| Backrest recline angle range | 135 degrees | |
| Caster rolling durability | 40000 cycles | |
| Gas lift stroke | 100 mm | |
| Seat swivel rotation range | 360 degrees | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest surface | Breathable polyester mesh | |
|---|---|---|
| Seat cushion upholstery | Woven black polyester fabric | |
| Seat cushion core | High-density cold-cured polyurethane foam | |
| Armrest pads | Textured PU soft padding | |
| Armrest supports | Reinforced nylon with metal pivot bolts | |
| Chair frame and back support | Glass-fiber reinforced nylon | |
| Five-star base | Nylon (PA6) | |
| Gas lift | Carbon steel Class 3 gas lift | |
| Casters | PU-coated nylon dual-wheel casters | |
| Chassis (tilt mechanism) | 2.5 mm thick steel plate | |
| Lumbar support pad | Molded PP with foam padding | |
| Retractable footrest | Padded fabric on steel sliding frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic adjustment via right-side lever, 100mm travel | |
|---|---|---|
| Backrest tilt and lock | 3-position recline lock with tension adjustment via under-seat levers | |
| Flip-up adjustable armrests | Arms pivot upward 90 degrees to slide under desks, fixed height | |
| 360-degree swivel | Full rotation enabled by central swivel joint connected to gas lift | |
| Retractable pull-out footrest | Slides out from under seat to support legs in reclined position | |
| Built-in lumbar support | Fixed contoured lumbar zone aligns with lower back curve | |
| Tilt tension control | Under-seat knob adjusts resistance to match user weight | |
| Smooth rolling mobility | Dual-wheel PU casters roll on 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
| Shipping carton dimensions | 830 x 650 x 350 mm | |
|---|---|---|
| Gross shipping weight | 21 kg | |
| 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 | Ergonomic support and swivel function suit daily 8-hour desk work for general staff | |
|---|---|---|
| Home office setups | Space-efficient design with footrest supports both work and short rest breaks | |
| Executive private offices | High-back contoured design provides appropriate support and professional appearance | |
| Meeting and conference rooms | Rolling swivel function enables easy movement around conference tables | |
| Co-working spaces | Breathable mesh back offers comfort for shared, multi-user daily use | |
| Small studio workspaces | Flip-up armrests allow chair to slide under low desks to save floor space | |
| 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 strength requirements for office work chairs | |
|---|---|---|
| EN 1022:2018 | Applies to stability testing for domestic and non-domestic seating | |
| EN 12520:2015 | Applies to strength, durability and safety requirements for seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chairs for commercial use |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture dimensional measurement for seating products | |
|---|---|---|
| GB/T 10357.2-2013 | Applies to mechanical strength and stability testing of office chairs | |
| GB 18584-2001 | Applies to formaldehyde emission limits for wooden and upholstered furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture dimensional measurement for seating products; 2. GB/T 10357.2-2013: Applies to mechanical strength and stability testing of office chairs; 3. GB 18584-2001: Applies to formaldehyde emission limits for wooden and upholstered furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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