| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 720 x 620 x 1265 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 495 mm | |
| Adjustable seat height | 490 mm | |
| Backrest height | 780 mm | |
| Armrest height from floor | 720 mm | |
| Backrest inner width | 465 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 60 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 user weight capacity | 159 kg | |
|---|---|---|
| Static base load rating | 1136 kg | |
| Net chair weight | 22 kg | |
| Caster rolling durability | 40000 cycles | |
| Tilt mechanism lock angle | 18 degrees | |
| Gas lift stroke | 70 mm | |
| Warranty period | 3 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 | 1.2 mm thick two-tone PU leather | |
|---|---|---|
| Seat cushion foam | 45 kg/m³ high-density polyurethane foam, 80 mm thick | |
| Backrest foam | 35 kg/m³ shaped polyurethane foam, 60 mm thick contoured padding | |
| Armrests | PU-padded tops with hard brown outer shell, 40 mm thick padding | |
| Five-star base | 2.0 mm thick polished chrome-plated steel, 700 mm diameter | |
| Gas lift | Chrome-plated Class 3 steel gas lift, 50 mm outer diameter | |
| Tilt mechanism | 3.0 mm thick steel plate under-seat mechanism with tension control | |
| Casters | 60 mm diameter dual-wheel polyurethane casters with metal bearings | |
| Seam construction | 8 mm stitch pitch matching thread for upholstery seams | |
| 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
| 360-degree swivel rotation | Full rotation enabled by central gas lift and base assembly | |
|---|---|---|
| Pneumatic seat height adjustment | 70 mm vertical stroke, adjusted by side lever under seat | |
| Recline tilt function | Lockable 18-degree back tilt with adjustable tension control | |
| Caster mobility | Dual-wheel PU casters roll on hard floors and low-pile carpet | |
| Contoured lumbar support | Shaped backrest foam provides built-in mid-back support | |
| Armrest support | Fixed padded armrests positioned at 720 mm max height for desk use | |
| 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
| Executive private office | Fits standard 760 mm height executive desks for daily managerial use | |
|---|---|---|
| Home office workspace | Two-tone neutral upholstery complements modern residential office interiors | |
| Conference meeting rooms | Formal upholstered design suits long-duration boardroom seating | |
| Managerial workstations | Swivel and height adjustment supports multitasking across desk surfaces | |
| Reception VIP areas | Polished chrome base and tailored upholstery present a professional guest impression | |
| 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 safety and ergonomic requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability requirements | |
| EN 1022:2018 | Applies to seating stability testing for all office chair types |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and durability requirements | |
|---|---|---|
| BIFMA X5.1 Clause 17 | Applies to caster rolling and durability performance testing |
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 backrest, seat and armrest durability testing | |
| GB 18584-2001 | Applies to formaldehyde and heavy metal limits for upholstered furniture |
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 backrest, seat and armrest durability testing; 3. GB 18584-2001: Applies to formaldehyde and heavy metal limits for upholstered furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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