| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 680 x 1310 mm | |
|---|---|---|
| Seat width | 505 mm | |
| Seat depth | 440 mm | |
| Seat cushion thickness | 70 mm | |
| Seat height adjustment range | 540 mm | |
| Backrest height | 740 mm | |
| Armrest height above seat | 180 mm | |
| Five-star base diameter | 680 mm | |
| Headrest height adjustment range | 85 mm | |
| Maximum total height with raised headrest | 1310 mm | |
| Minimum total height with lowered headrest | 1190 mm | |
| Armrest to floor height (maximum seat height) | 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
| Maximum recommended user weight | 150 kg | |
|---|---|---|
| Net weight of fully assembled chair | 22 kg | |
| Recline tilt angle range | 120 degrees | |
| Tilt lock positions | 3 positions | |
| Gas lift stroke length | 100 mm | |
| Seat foam density | 45 kg/m³ | |
| Mesh back fabric tensile strength | 200 N | |
| 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 upholstery | Dark grey breathable polyester mesh | |
|---|---|---|
| Seat upholstery | Terracotta woven polyester fabric over foam | |
| Seat cushion core | 45 kg/m³ high-density injection-molded polyurethane foam | |
| Structural frame (back/arm supports/seat pan) | Glass-fiber reinforced white polypropylene/nylon | |
| Five-star base | White reinforced nylon with painted finish | |
| Gas lift cylinder | BIFMA Class 3 black steel with powder-coated outer tube | |
| Tilt mechanism chassis | 3mm thick stamped steel with black powder coating | |
| Casters | 60mm diameter black polyurethane tread over nylon hub | |
| Headrest padding | 25mm thick polyurethane foam with matching grey mesh upholstery | |
| Armrest pads | Soft-touch polypropylene with textured matte surface | |
| 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
| 360-degree swivel rotation | Full rotational movement enabled by central gas lift swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 85mm height travel controlled by right-side under-seat lever | |
| Lockable tilt recline | 120-degree backrest recline with 3 lock positions, tension adjustment knob | |
| Height-adjustable headrest | 85mm vertical travel with angle pivot for neck support | |
| Height-adjustable T-armrests | 180mm fixed height above seat with optional 2D position adjustment | |
| Contoured fixed lumbar support | Ergonomic curved mesh panel integrated into mid-back region | |
| Smooth rolling mobility | 60mm PU casters suited for hard floors and low-pile carpet | |
| Tilt tension adjustment | User-adjustable resistance knob to match user weight for recline | |
| 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 workspaces | Suited for long-duration desk work with ergonomic lumbar and neck support | |
|---|---|---|
| Corporate open-plan offices | Modern white and terracotta finish complements contemporary office interior designs | |
| Executive private offices | High-back design provides upper back support for extended meeting and work sessions | |
| Co-working flexible spaces | Swivel and rolling function enables easy movement between work surfaces and collaborators | |
| Student study desks | Adjustable seat height fits a range of desk heights for teen and adult users | |
| Conference meeting rooms | Professional aesthetic and recline function supports comfortable long meeting use | |
| 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 | Applicable standard for office chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office chair structural strength and stability testing | |
| EN 1021-1:2014 | Applicable standard for upholstered furniture ignitability resistance to cigarette source |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for general-purpose office chair durability and safety | |
|---|---|---|
| Caster rolling durability cycles | 100000 cycles | |
| Base static load capacity | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture desk and chair dimensional accuracy requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable test standard for chair mechanical strength and durability performance | |
| GB 18584-2001 | Applicable indoor furniture limit standard for formaldehyde content in materials |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture desk and chair dimensional accuracy requirements; 2. GB/T 10357.3-2013: Applicable test standard for chair mechanical strength and durability performance; 3. GB 18584-2001: Applicable indoor furniture limit standard for formaldehyde content in materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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