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OC-MB-BK-ALU-001

Code：6G1WSGV1
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Mid-Back Black Upholstered Executive Office Chair with Polished Aluminum Arms and 5-Star Base Key Specifications 2026-08-02 10:59

Popularity: 2
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OC-MB-BK-ALU-001

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions620 x 600 x 1050 mm
Seat width510
Seat depth480
Seat height range500
Backrest height580
Backrest width500
Armrest height from seat210
Armrest pad width60
5-star base diameter660
Caster diameter60
Seat height maximum500 mm
Finished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mm
Lumbar Support Zone Height240 mm
Clear Width Between Armrests540 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Net weight18 kg
Recommended maximum user weight120 kg
Seat foam density45 kg/m³
Backrest foam density35 kg/m³
Caster rolling durability100000 cycles
Swivel cycle durability100000 cycles
Upholstery abrasion resistance50000 cycles
Seat Foam Density / Rebound Reference45 kg/m³ / 65%
Back Foam Density Reference38 kg/m³
Upholstery Thickness / Abrasion Reference1.4 mm / 50000 cycles
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Seat and backrest upholsteryBlack smooth bonded leather with matte finish
Seat cushion coreMolded polyurethane foam padded structure
Backrest internal framePlywood or steel inner support frame
Armrest support structurePolished die-cast aluminum arm frames with padded top surface
Chair mechanism plateSteel tilt mechanism with black powder-coated lower housing
Gas lift columnChrome-plated steel gas lift cylinder
5-star basePolished aluminum five-leg base with ribbed upper profile
CastersBlack polyurethane twin-wheel casters with chrome fork housings
Seat Internal Support Board Thickness14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness14 mm bent plywood/composite reinforced frame
Tilt Mechanism Plate Thickness2.5 mm cold-rolled steel
Five-star Base Material ThicknessMetal base wall 3.5 mm; diameter 700 mm
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustmentPneumatic height adjustment via right-side lever, providing 100 mm vertical travel
360-degree swivelFull continuous 360-degree rotation around the central gas lift column
Center tilt mechanismSynchro or center-tilt recline with adjustable tension, locking in upright position
Fixed armrestsStationary armrests at fixed height and width, providing forearm support at 210 mm above the seat
Mobile rolling baseFive twin-wheel casters allow smooth movement on hard and low-pile carpet surfaces
Stable five-point supportAluminum 5-star base with 660 mm diameter provides stable footprint for 120 kg rated load
Padded lumbar support contourSlightly contoured backrest shape offers passive lumbar support without active adjustment pads
Gas lift stroke100
Tension adjustmentTilt tension adjustable via rotating knob under seat, accommodating user weights up to 120 kg for personalized recline resistance
Recline Angle / Lock Reference125° with 3suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kg
Rotation / Mobility Configuration360° swivel with 5-caster multidirectional movement
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Number of cartons1
Carton dimensions700 x 620 x 380 mm
Gross weight per carton20 kg
Volume per carton0.165 m³
Assembly time30 minutes
20 ft container load quantity260 units
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/set
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Private executive officesSuitable for manager and director workstations where a polished leather-look appearance and mid-back support are required
Conference and meeting roomsAppropriate for boardroom and meeting table seating, offering professional appearance and 360-degree swivel mobility
Reception and visitor areasSuitable for guest seating in premium corporate lobbies and visitor zones
Home office workstationsCompatible with home desks 760 mm high, supporting remote work and study tasks
Co-working shared desksDurable commercial construction supports multi-user shared work environments and frequent repositioning
Administrative staff workstationsSuitable for full-time administrative staff workstations requiring ergonomic support and professional appearance
Recommended Matching Desk Size2.4 m executive desk
Reference Daily Use Duration8 hours/day; confirm by ergonomic testing
STANDARD S1

EU EN Standards

European market access and chemical requirements

EN 1335-1:2020Office furniture - Office work chair - Part 1: Dimensions; applicable for verifying seat height, back height and armrest dimensional requirements
EN 1335-2:2019Office furniture - Office work chair - Part 2: Safety requirements; applicable for structural safety and stability acceptance of this chair
EN 1335-3:2019Office furniture - Office work chair - Part 3: Test methods; applicable for durability and strength testing protocols
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017Office chairs - Tests for stability, strength and durability; applicable for commercial-grade procurement acceptance and performance validation
ANSI/BIFMA X5.11-2020Office seating - Caster testing; applicable for caster rolling durability and floor protection performance verification
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 3326-2016Furniture - Chairs and stools - Determination of strength and durability of seat and back; applicable for static and cyclic load acceptance testing of this office chair
GB/T 14710-2009Furniture - Office chair - Test methods for stability, strength and durability; applicable for type-approval and incoming inspection of this swivel chair
GB 18401-2010National general safety technical code for textile products; applicable for upholstery fabric formaldehyde and pH acceptance if textile backing is present
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 3326-2016: Furniture - Chairs and stools - Determination of strength and durability of seat and back; applicable for static and cyclic load acceptance testing of this office chair;
2. GB/T 14710-2009: Furniture - Office chair - Test methods for stability, strength and durability; applicable for type-approval and incoming inspection of this swivel chair;
3. GB 18401-2010: National general safety technical code for textile products; applicable for upholstery fabric formaldehyde and pH acceptance if textile backing is present;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Technical Report PDF

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PDF · OC-MB-BK-ALU-001

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Product Overview & Construction Details

GUOYOU presents the OC-MB-BK-ALU-001 mid-back executive office chr, a sleek seating solution defined by its tlored black upholstery and polished aluminum structural accents. The chr features a streamlined mid-back silhouette with smooth black bonded leather upholstery finished in a matte, grn-free surface, pred with polished die-cast aluminum arm frames and a ribbed polished aluminum five-star base for a balanced blend of professional form and structural definition. Fixed padded armrests extend from the frame at a consistent height, complementing the chr’s cohesive, minimalist aesthetic. Built for durable dly use, the chr’s seat and backrest rest on internal support frames, with molded polyurethane foam padding forming the cushion core. A steel tilt mechanism with a black powder-coated housing sits beneath the seat, connected to a chrome-plated steel gas lift cylinder that attaches to the aluminum 5-star base. Black polyurethane twin-wheel casters with chrome fork housings complete the base assembly, enabling smooth multidirectional movement. Functional features include pneumatic seat height adjustment controlled via a right-side lever, full 360-degree swivel capability, and a center tilt mechanism with adjustable tension and an upright lock position. Fixed armrests deliver steady forearm support, while the contoured backrest provides passive lumbar support without active adjustment controls. The 5-star base creates a stable footprint to support regular use, and the rolling casters perform effectively across hard floors and low-pile carpet surfaces. This chr fits seamlessly into a range of commercial and residential settings. It works well in private executive offices for managers and directors, conference and meeting rooms, and premium corporate reception and visitor areas. It also suits home office workstations, co-working shared desks, and full-time administrative staff workstations, pring naturally with standard and executive desk designs. For procurement planning, the chr ships as a flat-packed unit with standard assembly time for single-person setup. Its commercial-grade construction supports frequent use across shared and private workspaces, making it a versatile option for bulk office furnishing projects and individual workspace upgrades alike.

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