| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (max height) | 705 x 675 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 510 mm | |
| Minimum seat height (floor to seat top) | 480 mm | |
| Maximum seat height (floor to seat top) | 560 mm | |
| Backrest total height (seat top to headrest top) | 760 mm | |
| Armrest height (seat top to arm pad top) | 230 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 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 maximum user weight | 136 kg | |
|---|---|---|
| Net weight (chair only) | 20 kg | |
| Seat foam density | 55 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance (Martindale) | 50000 rubs | |
| Single caster static load capacity | 30 kg | |
| 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, back and headrest upholstery | 1.4mm thick grey PU faux leather | |
|---|---|---|
| Seat and back padding | Molded high-density polyurethane foam | |
| Internal seat frame | 18mm thick multilayer plywood | |
| Fixed armrest construction | Black rigid nylon support frame with flat PU padded arm tops | |
| Five-star base construction | Polished chrome-plated steel | |
| Gas lift cylinder | Chrome-plated Class 3 steel gas lift | |
| Tilt mechanism chassis | 2mm thick stamped steel | |
| Caster construction | Black PU tread with nylon hub, dual-wheel design | |
| 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 | |
| Caster Engineering Specification | 5 PU-tread swivel casters, 60 mm diameter |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift operated by side lever, 80mm vertical travel | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central gas lift axis, no rotation lock | |
| Recline tilt function | Backrest tilts up to 135° from upright, adjustable tilt tension knob | |
| Upright position lock | Locks backrest in fully upright working position via control lever | |
| Smooth rolling mobility | Five dual-wheel casters roll on hard floors and low-pile carpet | |
| Fixed arm support | Non-adjustable T-shaped armrests provide constant forearm support at desk height | |
| Integrated head and neck support | Padded contoured headrest section integrated into high backrest | |
| 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 use | Formal high-back design supports 8+ hour daily seated work for managers and executives | |
|---|---|---|
| Home office workstation | Neutral grey finish and chrome base complement modern residential office decor | |
| Open-plan office manager stations | Durable faux leather surface resists stains and wear in shared professional environments | |
| Conference room seating | Professional appearance and comfort for multi-hour meeting and discussion use | |
| Reception/visitor areas | Polished aesthetic presents a professional first impression for visiting guests | |
| Height-adjustable desk compatibility | Seat height range works with standard 760 mm height office desks | |
| 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 | Defines safety and dimensional requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Specifies structural safety and stability test methods for office chairs | |
| EN 1335-3:2009 | Covers mechanical strength and durability testing for office seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General-purpose office chairs: safety, durability and structural performance standard | |
|---|---|---|
| Gas lift cycle durability | 120000 cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional measurement and fit requirements for office desks and chairs | |
|---|---|---|
| GB/T 10357.3-2013 | Specifies strength and durability test methods for office seating stability | |
| GB 18584-2001 | Sets limits for formaldehyde and heavy metal emissions from wooden furniture components | |
| GB/T 19995.1-2005 | Covers material performance requirements for upholstered office furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional measurement and fit requirements for office desks and chairs; 2. GB/T 10357.3-2013: Specifies strength and durability test methods for office seating stability; 3. GB 18584-2001: Sets limits for formaldehyde and heavy metal emissions from wooden furniture components; 4. GB/T 19995.1-2005: Covers material performance requirements for upholstered office furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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