| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 705 x 700 x 1250 mm | |
|---|---|---|
| Seat width | 535 mm | |
| Seat depth | 500 mm | |
| Seat height from floor | 495 mm | |
| Backrest height from seat | 790 mm | |
| Headrest width | 440 mm | |
| Five-star base diameter | 700 mm | |
| Armrest height from floor | 740 mm | |
| Seat height adjustment travel | 60 mm | |
| Backrest thickness at lumbar | 80 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 | |
|---|---|---|
| Net chair weight | 18.5 kg | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 300000 cycles | |
| Tilt mechanism cycle durability | 300000 cycles | |
| Seat foam density | 32 kg/m³ | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick PU leather, wear-resistant easy-clean finish | |
|---|---|---|
| Seat cushion padding | 80mm thick high-density moulded PU foam, 45% rebound | |
| Backrest padding | 60mm thick high-density PU foam, contoured lumbar support | |
| Headrest padding | 70mm thick high-density PU foam, integrated neck support | |
| Armrest construction | PU-padded wrap with polished chrome steel accent trim, fixed position | |
| Five-star base | 2.0mm thick polished chrome-plated steel, swivel mount | |
| Gas lift cylinder | Chrome-plated Class 4 steel, 80mm stroke, 50mm outer diameter | |
| Tilt mechanism | 3.0mm thick steel plate, single-lever wire control | |
| Casters | 60mm diameter dual-wheel PU casters, black with chrome accent ring | |
| Internal frame | 1.5mm thick tubular steel seat/back support frame | |
| 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
| Seat height adjustment | Pneumatic lever-operated adjustment, 60mm vertical travel | |
|---|---|---|
| Swivel function | 360-degree full rotation around central gas lift axis | |
| Tilt function | Spring-loaded rearward tilt, tension adjustment via chassis knob | |
| Tilt lock | Single-position upright lock for fixed working posture | |
| Mobility | Smooth rolling on hard floors and low-pile carpet via dual-wheel casters | |
| Seam construction | 8 stitches per inch precision stitching along panel seams | |
| Surface care | Stain-resistant wipe-clean upholstery for daily office maintenance | |
| 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 | High-back ergonomic support for 8+ hour daily management use | |
|---|---|---|
| Conference room seating | Formal appearance suitable for boardroom and meeting space use | |
| Home office workspace | Compact footprint fits residential work areas without bulky structure | |
| Managerial workstation | Adjustable height suits 760 mm standard desk work surfaces | |
| Client reception area | Professional blue finish presents polished appearance for visitor 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, safety and strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical safety performance requirements | |
| EN 1335-3:2009 | Applies to office chair stability and structural test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance criteria |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional and structural stability requirements | |
|---|---|---|
| GB/T 10357.2-2013 | Applies to chair mechanical and physical performance test methods | |
| GB 18584-2001 | Applies to furniture interior decoration material hazardous substance limits |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional and structural stability requirements; 2. GB/T 10357.2-2013: Applies to chair mechanical and physical performance test methods; 3. GB 18584-2001: Applies to furniture interior decoration material hazardous substance limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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