| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 780 x 690 x 1150 mm | |
|---|---|---|
| Backrest top width | 470 mm | |
| Seat width | 550 mm | |
| Seat depth | 560 mm | |
| Backrest height above seat | 670 mm | |
| Minimum seat height | 460 mm | |
| Maximum seat height | 520 mm | |
| Minimum total chair height | 1090 mm | |
| Five-star base diameter | 690 mm | |
| Armrest height above seat | 200 mm | |
| Seat pan thickness | 80 mm | |
| Backrest padding thickness | 60 mm | |
| Caster diameter | 60 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 181 kg | |
|---|---|---|
| Net product weight | 24 kg | |
| Gas lift adjustment cycle rating | 120000 cycles | |
| Caster rolling durability rating | 100000 cycles | |
| Five-star base static load rating | 1136 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance (Martindale) | 50000 rubs | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and inner back upholstery | Commercial-grade tan PU leather | |
|---|---|---|
| Outer back and arm shell | Dark gray rigid polymer composite | |
| Seat and back padding | High-density molded polyurethane foam | |
| Five-star base | Polished chrome-plated steel | |
| Gas lift column | Chrome-plated steel, Class 4 rated | |
| Tilt mechanism chassis | 3 mm thick powder-coated steel | |
| Dual-wheel casters | Polyurethane tread on nylon hub | |
| Armrest padding | Integral molded foam matching seat upholstery | |
| Internal support frame | 1.5 mm thick welded steel tube | |
| 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
| Seat height adjustment | Pneumatic gas lift, 60 mm vertical travel | |
|---|---|---|
| 360-degree swivel rotation | Full rotation enabled by central swivel joint | |
| Backrest tilt function | Swivel tilt with 15-degree maximum recline, lockable in upright position | |
| Tilt tension adjustment | Under-seat knob adjusts resistance to match user weight | |
| Smooth mobility | Five dual-wheel casters enable rolling on hard and soft floors | |
| Fixed integrated armrests | Continuous curved arm support 200mm above seat surface | |
| Ergonomic contoured support | Curved mid-back design provides mid-back lumbar support | |
| 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 executive office | Upholstered professional appearance suitable for manager/executive workstations | |
|---|---|---|
| Conference meeting room | Sleek profile and mobile base suit collaborative meeting space seating | |
| Home office workspace | Comfortable padding and adjustability support long-duration home work use | |
| Executive reception area | Polished two-tone finish creates a professional impression for visitor spaces | |
| Corporate workstation deployments | Commercial-grade construction supports daily use in open office plan settings | |
| Client consultation rooms | Upholstered comfort maintains professional appearance for face-to-face meetings | |
| 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 performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability test methods | |
| EN 1022:2018 | Applies to seating stability testing for domestic and contract furniture |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and durability standards |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional measurement and tolerance requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair strength and durability test methods | |
| GB 28007-2011 | Applies to office chair safety, stability and edge requirement standards |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional measurement and tolerance requirements; 2. GB/T 10357.3-2013: Applies to office chair strength and durability test methods; 3. GB 28007-2011: Applies to office chair safety, stability and edge requirement standards; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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