Black Leather Mid-Back Executive Swivel Office Chair with Polished Aluminum Arms (model OFC-MB-LTH-680-1050) is listed under Executive Boss Chair. Dimensions: 680 × 680 × 1050 mm. Materials: Black full-grain leather target, 1.2 mm thick, with matched edge binding and visible perimeter stitching. Load capacity: 1020 kg. Product Features: executive,style,mid-back,structure,swivel,base,black,leather-look,upholstery,polished,aluminum,finish. This page consolidates 6 groups of specifications and ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Brand | FENGGUAN | Model | OFC-MB-LTH-680-1050 |
| Overall dimensions (W × D × H) | 680 × 680 × 1050 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 | 18 kg |
| Packaged gross weight | 21 kg | Recommended user weight capacity | 150 kg |
| Seat foam density | 45 kg/m3 | Back foam density | 35 kg/m3 |
| Foam rebound | 40% | Seat static-load verification target | 1020 kg |
| Back-rest cyclic durability target | 120000 cycles | Seat-slide or cushion cyclic durability target | 100000 cycles |
| Caster rolling durability target | 100000 cycles | Seat and back upholstery | Black full-grain leather target, 1.2 mm thick, with matched edge binding and visible perimeter stitching |
| Seat cushion | Molded high-resilience polyurethane foam, 90 mm thick and 45 kg/m3 density, wrapped under the black cover | Back cushion | Layered polyurethane foam, 80 mm thick and 35 kg/m3 density, with shaped lumbar zone and horizontal seam |
| Internal support board | 12 mm molded plywood or engineered composite seat shell with steel mounting plate | Armrests | Polished die-cast aluminum loop arms with black padded contact pads and rounded front edge |
| Base and lift | Polished aluminum five-star base on a 50 mm chrome-plated steel class-4 gas lift | Height adjustment | Pneumatic seat-height adjustment through a 100 mm lift stroke using the right-side lever, from 450 mm to 550 mm seat height |
| Swivel function | 360-degree swivel around the central gas-lift axis with five twin-wheel casters for omnidirectional movement | Back recline and lock | Synchronized tilt mechanism with 18-degree recline travel and lockable upright or multi-position back setting |
| Tilt tension control | Rotary tension knob adjusts recline resistance for user weight between 50 kg and 150 kg | Packaged gross weight | 21 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 | Executive and private office use | Suitable for managers and professional staff at 760 mm desks because the 550 mm seat height supports standard desk work |
| Meeting and visitor work settings | Appropriate for formal meeting rooms or daily computer work where a padded mid-back, arm support, and quiet swivel mobility are required | — | — |
| 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 × 680 × 1050 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 | 18 kg | |
|---|---|---|
| Packaged gross weight | 21 kg | |
| Recommended user weight capacity | 150 kg | |
| Seat foam density | 45 kg/m3 | |
| Back foam density | 35 kg/m3 | |
| Foam rebound | 40% | |
| Seat static-load verification target | 1020 kg | |
| Back-rest cyclic durability target | 120000 cycles | |
| Seat-slide or cushion cyclic durability target | 100000 cycles | |
| Caster rolling durability target | 100000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat and back upholstery | Black full-grain leather target, 1.2 mm thick, with matched edge binding and visible perimeter stitching | |
|---|---|---|
| Seat cushion | Molded high-resilience polyurethane foam, 90 mm thick and 45 kg/m3 density, wrapped under the black cover | |
| Back cushion | Layered polyurethane foam, 80 mm thick and 35 kg/m3 density, with shaped lumbar zone and horizontal seam | |
| Internal support board | 12 mm molded plywood or engineered composite seat shell with steel mounting plate | |
| Armrests | Polished die-cast aluminum loop arms with black padded contact pads and rounded front edge | |
| Base and lift | Polished aluminum five-star base on a 50 mm chrome-plated steel class-4 gas lift |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Height adjustment | Pneumatic seat-height adjustment through a 100 mm lift stroke using the right-side lever, from 450 mm to 550 mm seat height | |
|---|---|---|
| Swivel function | 360-degree swivel around the central gas-lift axis with five twin-wheel casters for omnidirectional movement | |
| Back recline and lock | Synchronized tilt mechanism with 18-degree recline travel and lockable upright or multi-position back setting | |
| Tilt tension control | Rotary tension knob adjusts recline resistance for user weight between 50 kg and 150 kg |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| Packaged gross weight | 21 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 |
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Executive and private office use | Suitable for managers and professional staff at 760 mm desks because the 550 mm seat height supports standard desk work | |
|---|---|---|
| Meeting and visitor work settings | Appropriate for formal meeting rooms or daily computer work where a padded mid-back, arm support, and quiet swivel mobility are required |
EU Market Access Requirements* EN Standards
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.1 |
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Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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