| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 700 x 760 x 1290 mm | |
|---|---|---|
| Seat height adjustment range | 470 to 550 mm | |
| Seat surface dimensions | 550 x 520 mm | |
| Backrest total height | 780 mm | |
| Five-star base diameter | 700 mm | |
| Caster wheel diameter | 60 mm | |
| Gas lift vertical stroke | 100 mm | |
| Armrest height from seat | 270 mm | |
| Extended footrest projection | 300 mm | |
| Headrest dimensions | 320 x 180 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 | 159 kg | |
|---|---|---|
| Chair net weight | 25 kg | |
| Five-star base static load rating | 1136 kg | |
| Tilt mechanism durability cycles | 300000 cycles | |
| Caster rolling durability (obstacle test) | 5000 cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Standard warranty period | 5 years | |
| 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
| Seat and back upholstery | High-elastic woven polymer mesh with chevron geometric pattern | |
|---|---|---|
| Headrest padding | 40mm high-density molded foam under matching woven mesh | |
| Armrest support structure | Reinforced glass-fiber nylon with matte grey finish | |
| Armrest pad surface | 70mm wide hard-wearing PU soft-touch surface | |
| Five-star base | Polished #350 cast aluminum alloy, 3mm wall thickness | |
| Tilt chassis | 2.5mm thick stamped steel with powder-coated grey finish | |
| Gas lift | Class 3 carbon steel gas lift with chrome-plated outer tube | |
| Caster wheels | Dual-wheel 60mm PU tread with nylon core, black housing with silver accent ring | |
| Footrest surface | 20mm high-density foam pad covered in matching chevron woven mesh | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic lever-operated 100mm vertical travel, locks at any position | |
|---|---|---|
| Backrest recline function | 3-position locking tilt up to 135 degrees from upright, adjustable tension | |
| 4D armrest adjustment | Adjusts 70mm up/down, 40mm in/out, 50mm fore/aft, and 15 degrees pivot | |
| Headrest adjustment | 5-position height adjustment and 30-degree angle tilt for neck support | |
| Retractable footrest | Telescoping slide-out leg rest locks in extended position, tucks flush under seat | |
| 360-degree swivel function | Full rotation around central gas lift axis for multi-directional access | |
| Lumbar support | 6-position height-adjustable contoured support zone integrated into mesh back | |
| Seat waterfall edge | Contoured front seat edge reduces leg pressure for extended sitting | |
| 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
| Private home office use | Suitable for 8+ hour daily work with recline and footrest for rest breaks | |
|---|---|---|
| Corporate open-plan workstation | Neutral blush/grey color fits modern office interior schemes, silent casters reduce noise | |
| Hot-desking shared workspaces | Full adjustment range accommodates users of varying heights and body types | |
| Standing desk pairing | Adjustable seat height works with 1200 mm height-adjustable standing desks | |
| Executive private office | High-back design and premium materials suit managerial and executive workspaces | |
| Creative studio workspace | Blush chevron upholstery adds soft decorative accent to contemporary creative interiors | |
| 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 office work chair dimensional, safety and strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair safety performance test methods | |
| EN 1022:2018 | Applies to stability testing for domestic and non-domestic seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance requirements | |
|---|---|---|
| Gas lift durability cycles | 60000 cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional measurement and tolerance requirements for office seating | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical strength and durability test methods for chairs and stools | |
| GB 18584-2001 | Applies to limit of harmful substances in wooden and upholstered furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional measurement and tolerance requirements for office seating; 2. GB/T 10357.3-2013: Applies to mechanical strength and durability test methods for chairs and stools; 3. GB 18584-2001: Applies to limit of harmful substances in wooden and upholstered furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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