| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 630 x 560 x 1070 mm | |
|---|---|---|
| Seat height (adjustable maximum) | 480 mm | |
| Seat depth | 500 mm | |
| Seat to top of backrest height | 630 mm | |
| Top backrest width | 450 mm | |
| Armrest outer span width | 560 mm | |
| Seat front to backrest face distance | 480 mm | |
| Five-star base diameter | 630 mm | |
| Caster diameter | 65 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
| Net weight (reference) | 22 kg | |
|---|---|---|
| Recommended maximum user weight | 136 kg | |
| Maximum recline angle | 125 degrees | |
| Caster rolling durability cycles | 60000 cycles | |
| Gas lift cycle rating | 120000 cycles | |
| Seat foam density | 40 kg/m³ | |
| Seat foam rebound rate | 45% | |
| 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 | Black 1.0mm thick PU faux leather | |
|---|---|---|
| Seat core panel | 18mm thick molded plywood | |
| Cushion filling | 40D high-density polyurethane foam | |
| Armrest supports | 2mm thick chrome-plated steel tubing | |
| Armrest pads | PU leather padded tops matching seat upholstery | |
| Five-star base | 2.5mm thick polished chrome-plated steel | |
| Gas lift cylinder | 50mm diameter chrome-plated Class 3 steel | |
| Casters | 65mm diameter black nylon dual-wheel casters | |
| Tilt mechanism | 3mm thick stamped steel chassis under seat | |
| 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
| Pneumatic height adjustment | 100mm stroke via side lever, adjusts seat from 420mm to 480mm | |
|---|---|---|
| 360-degree swivel rotation | Full rotation centered on gas lift stem | |
| Lockable tilt recline | Tilt tension adjustment knob, locks in upright position | |
| Fixed armrest support | Stationary chrome armrests with padded tops at fixed 240mm seat height | |
| Dual-wheel caster mobility | Smooth rolling on hard floors and low-pile carpet | |
| Segmented back support | Three horizontal padded sections for lumbar and mid-back support | |
| Upright position tilt lock | Locks backrest at 90-degree upright angle for focused work | |
| 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 office workspace | Suitable for executive desks in corporate private offices | |
|---|---|---|
| Home office setup | Ideal for dedicated home workstations with standard desk heights | |
| Conference meeting rooms | Appropriate for formal meeting room seating around conference tables | |
| Coworking open offices | Durable construction suitable for shared coworking desk spaces | |
| Managerial workstations | Designed for daily 8-hour use by management and administrative staff | |
| Reception desk areas | Professional appearance suitable for front desk reception seating | |
| 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 chair dimensional and safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength and durability performance | |
| EN 1022:2018 | Applies to seating stability verification for office use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional stability and strength testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to chair mechanical performance and durability testing | |
| GB 28007-2011 | Applies to upholstered furniture formaldehyde emission limits |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional stability and strength testing; 2. GB/T 10357.3-2013: Applies to chair mechanical performance and durability testing; 3. GB 28007-2011: Applies to upholstered furniture formaldehyde emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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