Black Faux Leather High-Back Ergonomic Executive Office Chair with Adjustable Height and Armrests (model EXE-CHR-BLK-700CH) is listed under Executive Boss Chair. Dimensions: 670 × 700 × 1260 mm. Materials: 1.2mm thick black PU faux leather, wipe-clean water-resistant finish. Load capacity: 1136 kg. Product Features: high-back,executive,design,height-adjustable,swivel,base,padded,headrest,T-shaped,armrests. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Brand | YUXIANG | Model | EXE-CHR-BLK-700CH |
| Overall dimensions (W × D × H) | 670 × 700 × 1260 mm | Seat width | 490 mm |
| Seat depth | 460 mm | Seat height adjustment range maximum | 520 mm |
| Backrest height | 750 mm | Headrest thickness | 70 mm |
| Seat cushion thickness | 70 mm | Five-star base span diameter | 700 mm |
| Backrest upper width | 495 mm | Armrest height adjustment maximum | 250 mm |
| Finished Seat Cushion Thickness | 90 mm | Backrest Padding Thickness | 70 mm |
| Lumbar Support Zone Height | 240 mm | Clear Width Between Armrests | 540 mm |
| Recommended maximum user weight | 136 kg | Net weight reference | 25 kg |
| Caster rolling durability cycle rating | 100000 cycles | Gas lift static load rating | 1136 kg |
| Upholstery abrasion resistance | 50000 cycles | Foam density for seat and back | 50 kg/m³ |
| Foam rebound rate | 60% | 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 |
| Seat and back upholstery | 1.2mm thick black PU faux leather, wipe-clean water-resistant finish | Seat cushion core | 50kg/m³ high-density molded polyurethane foam, 70mm thickness |
| Backrest padding | 40kg/m³ shaped polyurethane foam, contoured lumbar support profile | Internal support frame | 1.5mm thick welded steel tube frame, powder-coated black finish |
| Five-star base | 1.2mm thick chrome-plated steel, polished mirror finish | Armrest structure | Steel support post with padded PU top surface, T-shaped design |
| Gas lift cylinder | Chrome-plated Class 3 steel gas lift, 80mm adjustable stroke | Casters | 50mm diameter dual-wheel PU casters, black hard-wearing surface |
| Mechanism chassis | 2.5mm thick steel tilt mechanism, black powder-coated finish | Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
| Seat height adjustment | Pneumatic gas lift adjusts seat from 440mm to 520mm floor height, operated by side lever | 360-degree swivel | Full rotation around central gas lift axis for multi-directional access |
| Tilt and lock function | Backrest tilts to 120 degrees from upright position, locks in upright working position | Caster mobility | Dual-wheel PU casters roll smoothly on hard floors and low-pile carpet |
| Tilt tension adjustment | User-adjustable tension knob modifies tilt resistance to match user weight | Integrated head support | Fixed padded headrest positioned to support neck during upright and reclined seating |
| 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 | 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 |
| Executive private offices | Formal high-back design supports manager and director level daily office use | Home office workspaces | Professional appearance and adjustable ergonomics suit long-duration remote work |
| Meeting and conference rooms | Polished chrome and black finish matches formal meeting room furniture schemes | Executive reception areas | Sleek minimalist design creates a professional impression for visitor seating |
| Recommended Matching Desk Size | 2.4 m executive desk | Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 670 × 700 × 1260 mm | |
|---|---|---|
| Seat width | 490 mm | |
| Seat depth | 460 mm | |
| Seat height adjustment range maximum | 520 mm | |
| Backrest height | 750 mm | |
| Headrest thickness | 70 mm | |
| Seat cushion thickness | 70 mm | |
| Five-star base span diameter | 700 mm | |
| Backrest upper width | 495 mm | |
| Armrest height adjustment maximum | 250 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
Data source: Product performance data; verify exact test conditions before procurement.
| Recommended maximum user weight | 136 kg | |
|---|---|---|
| Net weight reference | 25 kg | |
| Caster rolling durability cycle rating | 100000 cycles | |
| Gas lift static load rating | 1136 kg | |
| Upholstery abrasion resistance | 50000 cycles | |
| Foam density for seat and back | 50 kg/m³ | |
| Foam rebound rate | 60% | |
| 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
Data source: Subject to the factory material list and inspection report.
| Seat and back upholstery | 1.2mm thick black PU faux leather, wipe-clean water-resistant finish | |
|---|---|---|
| Seat cushion core | 50kg/m³ high-density molded polyurethane foam, 70mm thickness | |
| Backrest padding | 40kg/m³ shaped polyurethane foam, contoured lumbar support profile | |
| Internal support frame | 1.5mm thick welded steel tube frame, powder-coated black finish | |
| Five-star base | 1.2mm thick chrome-plated steel, polished mirror finish | |
| Armrest structure | Steel support post with padded PU top surface, T-shaped design | |
| Gas lift cylinder | Chrome-plated Class 3 steel gas lift, 80mm adjustable stroke | |
| Casters | 50mm diameter dual-wheel PU casters, black hard-wearing surface | |
| Mechanism chassis | 2.5mm thick steel tilt mechanism, black powder-coated finish | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seat height adjustment | Pneumatic gas lift adjusts seat from 440mm to 520mm floor height, operated by side lever | |
|---|---|---|
| 360-degree swivel | Full rotation around central gas lift axis for multi-directional access | |
| Tilt and lock function | Backrest tilts to 120 degrees from upright position, locks in upright working position | |
| Caster mobility | Dual-wheel PU casters roll smoothly on hard floors and low-pile carpet | |
| Tilt tension adjustment | User-adjustable tension knob modifies tilt resistance to match user weight | |
| Integrated head support | Fixed padded headrest positioned to support neck during upright and reclined seating | |
| 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
Data source: Reference for export quotations and container planning.
| 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
Data source: Recommended applications based on product form and category.
| Executive private offices | Formal high-back design supports manager and director level daily office use | |
|---|---|---|
| Home office workspaces | Professional appearance and adjustable ergonomics suit long-duration remote work | |
| Meeting and conference rooms | Polished chrome and black finish matches formal meeting room furniture schemes | |
| Executive reception areas | Sleek minimalist design creates a professional impression 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 requirement standards | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical safety test methods and requirements | |
| EN 1022:2018 | Applies to seating furniture stability performance testing standards |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance test requirements | |
|---|---|---|
| BIFMA X5.11-2015 | Applies to heavy-duty office chair load rating test requirements for large users |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional accuracy and stability testing requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair strength and durability mechanical performance testing | |
| GB 28007-2011 | Applies to upholstered furniture formaldehyde emission limit requirements |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional accuracy and stability testing requirements; 2. GB/T 10357.3-2013: Applies to office chair strength and durability mechanical performance testing; 3. GB 28007-2011: Applies to upholstered furniture formaldehyde emission limit requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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