Black Leather High-Back Executive Swivel Chair (model EXHB-LEA-5STAR-BLK) is listed under Executive Boss Chair. Dimensions: 680 × 700 × 1180 mm. Materials: Black full-grain or corrected-grain leather visual grade over foam; exact leather grade requires supplier BOM confirmation.. Load capacity: 1020 kg. Product Features: executive,style,high-back,swivel,base,five-star,padded,armrests,black,upholstered,finish. 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 | JIULONGYOUSHENG | Model | EXHB-LEA-5STAR-BLK |
| Overall dimensions (W × D × H) | 680 × 700 × 1180 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 | 22 kg |
| Maximum user weight | 150 kg | Static seat proof load | 1020 kg |
| Backrest cyclic durability | 120000 cycles | Seat cyclic durability | 120000 cycles |
| Caster rolling durability | 100000 cycles | Gas-lift service life | 100000 height adjustments |
| Recommended daily usage | 8 hours | Color count | 1 color |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | Seat upholstery | Black full-grain or corrected-grain leather visual grade over foam; exact leather grade requires supplier BOM confirmation. |
| Back upholstery | Black leather-look upholstery on padded front and matching rear panels. | Seat foam | 80 mm molded polyurethane seat cushion, 45 kg/m3 density target. |
| Back foam | 60 mm polyurethane back padding, 35 kg/m3 density target. | Internal seat board | 12 mm molded plywood or composite load board under the cushion. |
| Internal back frame | 1.5 mm steel-tube or shaped plywood back frame with bolted support brackets. | Armrest construction | Padded upholstered arm caps over molded structural arm panels. |
| Gas lift | Chrome-plated Class 4 steel gas lift with 50 mm outer tube. | Mechanism | Black steel multi-position synchro-tilt mechanism with tension and lift levers. |
| Five-star base | Polished aluminum alloy five-star base with 2.5 mm nominal wall/rib thickness. | Casters | Black nylon twin-wheel casters with steel mounting stems and hard-floor tread. |
| Fasteners and hardware | Zinc-plated steel bolts, brackets, and mechanism mounting plate. | 360-degree swivel | Central gas-lift swivel enables full 360-degree rotation with five caster support points. |
| Pneumatic height adjustment | Class 4 gas lift provides 100 mm seat-height travel controlled by the underside lever. | Synchro tilt movement | Backrest and seat tilt together with a 12-degree backward recline and synchronized front pivot. |
| Tilt lock | Mechanism provides 4 lock positions including upright, intermediate recline, and full-recline lockout. | Tilt tension control | Side knob adjusts spring tension over 3 rotations for users up to 150 kg. |
| Mobility | Five 60 mm twin-wheel casters provide rolling movement on carpet, wood, tile, and vinyl floors. | Fixed padded arm support | 230 mm arm support above seat provides forearm relief without width or height adjustment. |
| High-back posture support | 720 mm channeled back supports the thoracic region and upright executive posture. | Assembly fitment | Base, casters, seat-back assembly, and mechanism join with bolted or quick-insert connections. |
| Replacement caster compatibility | 11 mm x 22 mm grip-neck stems allow standard replacement casters. | Recline Angle / Lock Reference | 125° with 3suggested lock positions |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | 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 office | High-back black leather chair pairs with executive desks for managers requiring formal appearance and 8-hour support. | Boardroom or meeting room | Swivel mobility and padded arms support conference use around large meeting tables. |
| Private workstation | Fits carpeted or hard-floor management workstations using five 60 mm twin-wheel casters. | Hotel business center | Formal leather-look appearance suits guest-use executive desks and short-duration meetings. |
| Professional consulting room | Creates a structured client-facing seat for legal, financial, and advisory settings. | Reception VIP area | High-back silhouette provides a distinguished seat in premium reception or waiting zones. |
| Procurement configuration | Order hard-floor casters for tile or wood and soft-floor casters for carpeted installations. | Recommended Matching Desk Size | 2.4 m executive desk |
| 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) | 680 × 700 × 1180 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.
| Net weight | 22 kg | |
|---|---|---|
| Maximum user weight | 150 kg | |
| Static seat proof load | 1020 kg | |
| Backrest cyclic durability | 120000 cycles | |
| Seat cyclic durability | 120000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Gas-lift service life | 100000 height adjustments | |
| Recommended daily usage | 8 hours | |
| Color count | 1 color | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat upholstery | Black full-grain or corrected-grain leather visual grade over foam; exact leather grade requires supplier BOM confirmation. | |
|---|---|---|
| Back upholstery | Black leather-look upholstery on padded front and matching rear panels. | |
| Seat foam | 80 mm molded polyurethane seat cushion, 45 kg/m3 density target. | |
| Back foam | 60 mm polyurethane back padding, 35 kg/m3 density target. | |
| Internal seat board | 12 mm molded plywood or composite load board under the cushion. | |
| Internal back frame | 1.5 mm steel-tube or shaped plywood back frame with bolted support brackets. | |
| Armrest construction | Padded upholstered arm caps over molded structural arm panels. | |
| Gas lift | Chrome-plated Class 4 steel gas lift with 50 mm outer tube. | |
| Mechanism | Black steel multi-position synchro-tilt mechanism with tension and lift levers. | |
| Five-star base | Polished aluminum alloy five-star base with 2.5 mm nominal wall/rib thickness. | |
| Casters | Black nylon twin-wheel casters with steel mounting stems and hard-floor tread. | |
| Fasteners and hardware | Zinc-plated steel bolts, brackets, and mechanism mounting plate. |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| 360-degree swivel | Central gas-lift swivel enables full 360-degree rotation with five caster support points. | |
|---|---|---|
| Pneumatic height adjustment | Class 4 gas lift provides 100 mm seat-height travel controlled by the underside lever. | |
| Synchro tilt movement | Backrest and seat tilt together with a 12-degree backward recline and synchronized front pivot. | |
| Tilt lock | Mechanism provides 4 lock positions including upright, intermediate recline, and full-recline lockout. | |
| Tilt tension control | Side knob adjusts spring tension over 3 rotations for users up to 150 kg. | |
| Mobility | Five 60 mm twin-wheel casters provide rolling movement on carpet, wood, tile, and vinyl floors. | |
| Fixed padded arm support | 230 mm arm support above seat provides forearm relief without width or height adjustment. | |
| High-back posture support | 720 mm channeled back supports the thoracic region and upright executive posture. | |
| Assembly fitment | Base, casters, seat-back assembly, and mechanism join with bolted or quick-insert connections. | |
| Replacement caster compatibility | 11 mm x 22 mm grip-neck stems allow standard replacement casters. | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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 office | High-back black leather chair pairs with executive desks for managers requiring formal appearance and 8-hour support. | |
|---|---|---|
| Boardroom or meeting room | Swivel mobility and padded arms support conference use around large meeting tables. | |
| Private workstation | Fits carpeted or hard-floor management workstations using five 60 mm twin-wheel casters. | |
| Hotel business center | Formal leather-look appearance suits guest-use executive desks and short-duration meetings. | |
| Professional consulting room | Creates a structured client-facing seat for legal, financial, and advisory settings. | |
| Reception VIP area | High-back silhouette provides a distinguished seat in premium reception or waiting zones. | |
| Procurement configuration | Order hard-floor casters for tile or wood and soft-floor casters for carpeted installations. | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1 office furniture - office chair dimensions | Use dimensional, safety, and ergonomic clearance criteria for task and executive seating. | |
|---|---|---|
| EN 1335-2 office chair safety requirements | Apply to structural safety, stability, shear points, and mechanism safety validation. | |
| EN 1335-3 office chair test methods | Use specified static, fatigue, impact, and caster test methods for factory inspection. | |
| EN 1021-1 and EN 1021-2 upholstered furniture ignitability | Specify smouldering cigarette and match ignition tests when fire compliance is purchased. |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 office chairs - general purpose | Use back, seat, base, arm, tilt, and stability tests for commercial office seating acceptance. | |
|---|---|---|
| ANSI/BIFMA e3 furniture sustainability standard | Use for optional material, chemical, energy, and supplier environmental documentation requirements. |
Standards applicable to China-market projects
| GB/T 3324-2017 general technical furniture requirement | Apply to dimensions, workmanship, stability, coating, and structural quality acceptance for office seating. | |
|---|---|---|
| GB/T 10357.3 furniture mechanical test - seat and back strength | Use for seat/back static and fatigue strength verification before acceptance. | |
| GB 17927-2010 upholstered furniture safety - burning behavior | Specify cigarette and match ignition testing if fire-performance acceptance is required. | |
| GB/T 16799-2008 furniture leather | Use to define leather classification, thickness, tear strength, colorfastness, and abrasion checks. |
This product must meet the following technical requirements: 1. GB/T 3324-2017 general technical furniture requirement: Apply to dimensions, workmanship, stability, coating, and structural quality acceptance for office seating.; 2. GB/T 10357.3 furniture mechanical test - seat and back strength: Use for seat/back static and fatigue strength verification before acceptance.; 3. GB 17927-2010 upholstered furniture safety - burning behavior: Specify cigarette and match ignition testing if fire-performance acceptance is required.; 4. GB/T 16799-2008 furniture leather: Use to define leather classification, thickness, tear strength, colorfastness, and abrasion checks.; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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