Mid-Back Black Upholstered Executive Office Chair with Dark Wood Trim Arms and 5-Star Caster Base (model EOB-MB-WA-5C-01) is listed under Genuine Leather Chair, with overall dimensions of 730 × 760 × 1220 mm and main material of Top-grain Cowhide. Load capacity: 150 kg. Certifications: Swivel,seating,Height-adjustable,Upholstered,executive,design,Wheeled,5-star,base. 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.
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions | 730 x 760 x 1220 mm | |
|---|---|---|
| Seat width | 560 mm | |
| Seat depth | 490 mm | |
| Maximum seat height (floor to seat top) | 585 mm | |
| Minimum seat height (floor to seat top) | 485 mm | |
| Backrest height (seat to top) | 660 mm | |
| Backrest width | 500 mm | |
| Seat cushion thickness | 140 mm | |
| Backrest padding thickness | 127 mm | |
| Fixed armrest height (seat to arm top) | 205 mm | |
| 5-star base diameter | 710 mm | |
| Caster diameter | 50 mm | |
| Maximum armrest height (floor to arm top) | 790 mm | |
| Minimum armrest height (floor to arm top) | 690 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
Data source: Product performance data; verify exact test conditions before procurement.
| Net product weight | 30 kg | |
|---|---|---|
| Recommended static weight capacity | 136 kg | |
| Cushion foam density | 45 kg/m³ | |
| Cushion foam rebound rate | 55% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Gas lift static load rating | 150 kg | |
| Caster rolling durability cycle count | 100000 cycles | |
| Recommended daily usage duration | 8 hours | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat and back upholstery | Black bonded leather over CAL 117 compliant molded foam | |
|---|---|---|
| Armrest construction | Curved dark mahogany-stained wood-finish frame with padded upholstered tops | |
| Internal seat frame | 1.8mm thick powder-coated steel inner support frame | |
| 5-star base | Steel core with dark wood finish overlay, 2.0mm material thickness | |
| Casters | Dual-wheel nylon hooded casters suitable for carpet and hard floors | |
| Upholstery stitching | 8mm seam pitch with reinforced edge stitching |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Swivel function | 360-degree full rotation around central gas lift post | |
|---|---|---|
| Height adjustment | Pneumatic Class 3 gas lift adjustment with 100mm vertical travel | |
| Tilt mechanism | Center tilt with adjustable tension and upright position lock | |
| Mobility feature | Smooth dual-wheel casters for easy repositioning across standard office floors |
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 |
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Executive office use | Suitable for private executive offices and management workstations | |
|---|---|---|
| Conference room application | Suitable for fixed meeting room seating for long-duration meetings |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to dimensional safety requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to strength, durability and stability requirements for office chairs | |
| EN 1021-1:2014 | Applies to upholstered furniture ignition resistance for smoldering cigarettes |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance testing standards |
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Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional and structural stability requirements for office seating | |
|---|---|---|
| GB/T 3324-2017 | Applies to general technical requirements for wooden furniture trim components | |
| GB 18584-2001 | Applies to formaldehyde emission limits for wood and upholstered furniture materials |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional and structural stability requirements for office seating; 2. GB/T 3324-2017: Applies to general technical requirements for wooden furniture trim components; 3. GB 18584-2001: Applies to formaldehyde emission limits for wood and upholstered furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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