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OC-MB-BK-001

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Mid-Back Upholstered Swivel Office Task Chair with Fixed Arms Key Specifications 2026-08-02 10:55

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OC-MB-BK-001

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions620 x 600 x 1010 mm
Seat width500 mm
Seat depth480 mm
Seat height range520 mm
Backrest height580 mm
Backrest width490 mm
Armrest height from seat220 mm
Armrest width60 mm
Five-star base diameter600 mm
Caster diameter50 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

Suggested static load rating120 kg
Net weight reference14 kg
Foam density reference (seat)40 kg/m³
Caster rolling cycles reference100000 cycles
Gas lift stroke100 mm
Swivel rotation360 degrees
Seat foam density40 kg/m³
Back foam density35 kg/m³
Upholstery abrasion resistance reference20000 cycles
Foam rebound rate60 %
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Seat and backrest upholsteryBlack synthetic leather or PU leather finish over fabric substrate
Seat cushion coreMolded polyurethane foam padding
Backrest inner framePlywood or plastic structural frame
ArmrestsIntegral black hard plastic with smooth matte finish
Five-star baseBlack nylon reinforced plastic 5-leg base
Gas lift columnBlack painted steel gas spring cylinder
CastersBlack nylon twin-wheel casters with metal axle
Adjustment mechanismBlack steel seat tilt/height control plate under seat
Seat pan base1.5 mm thick stamped steel seat pan supporting foam and upholstery layers
Armrest support bracketReinforced PP plastic bracket connecting arm pad to seat pan frame
Base center hubReinforced nylon hub with steel bearing insert for swivel rotation
Seat Internal Support Board Thickness14 mm bent plywood or equivalent support board
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustmentPneumatic gas lift controlled by left-side lever, providing 100 mm vertical travel
Swivel function360-degree continuous rotation around central vertical axis
Seat tilt functionLimited backward tilt with tension adjustment, locked or free-floating mode
Fixed armrest supportRigid fixed-position armrests at ergonomic elbow height, no width or height adjustment
MobilityFive twin-wheel casters for smooth rolling on hard and carpeted floors
Stability baseFive-point wide stance base for static and dynamic stability during seated movement
Tilt tension adjustmentRotary knob under seat adjusts tilt resistance to match user body weight
Weight distributionLoad evenly distributed across five base legs and casters for 120 kg maximum static load
Recline Angle / Lock Reference125° with 3 suggested 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

Packing configuration1 chair per carton, flat-pack knockdown form
Carton dimensions650 x 600 x 350 mm
Gross weight per carton16 kg
Cubic volume per carton0.137 m³
Assembly time20 minutes per unit
20ft container loading quantity220 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

General office workstationSuitable for individual open-plan or cubicle workstations with standard 750 mm desk height
Meeting and conference roomsAppropriate for conference tables and meeting room seating for up to 8-hour occupancy
Home office and studyCompact footprint fits home office desks and small work areas
Administrative staff seatingRecommended for administrative, clerical and entry-level office staff roles
Temporary workstations and hot-deskingSuitable for shared desk environments and flexible workspaces
Training room seatingAppropriate for corporate training rooms and multi-purpose event spaces
Reception and visitor areasSuitable for office reception zones and short-term visitor seating
Recommended Matching Desk Size2.4 m executive desk
STANDARD S1

EU EN Standards

European market access and chemical requirements

BS EN 1335-12020 Office furniture - Office work chair - Part 1: Dimensions
BS EN 10222018 Furniture - Seating - Determination of stability
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

No standards data is available for this market.
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 10357.3-2013 Furniture - Mechanical and chemical properties of furniture - Part 3Determination of strength and durability of chairs and stools
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 10357.3-2013 Furniture - Mechanical and chemical properties of furniture - Part 3: Determination of strength and durability of chairs and stools;
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-001

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XLSX · OC-MB-BK-001

International Listing Template

English title, specifications, materials, standards and purchasing fields.

XLSX · LISTING

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Product Overview & Construction Details

The GUOYOU Mid-Back Upholstered Swivel Office Task Chr with Fixed Arms, model OC-MB-BK-001, presents a sleek, minimalist silhouette defined by its classic black upholstery and streamlined mid-back structure. Fixed T-shaped armrests align ergonomically with elbow height, complemented by a ribbed black five-point base and twin-wheel casters that create a cohesive, understated aesthetic suited to professional and personal spaces alike. Constructed with synthetic leather upholstery over a fabric substrate, the chr features molded high-density polyurethane foam in the seat core and medium-density foam in the backrest for structured support. Key structural components include a stamped steel seat pan, a plywood or plastic inner back frame, and a black nylon reinforced plastic five-star base with a steel bearing-equipped central hub for smooth rotation. The height adjustment system uses a black pnted steel gas lift column, pred with a steel tilt and height control mechanism under the seat. Fixed armrests are made of matte hard plastic, secured to the seat pan via reinforced PP plastic brackets, while black nylon twin-wheel casters with metal axles enable multidirectional movement. Functional features include pneumatic seat height adjustment with 100 mm of vertical travel via a left-side lever, 360-degree continuous swivel rotation, and limited backward seat tilt with tension adjustment and selectable locked or free-floating modes. Fixed armrests provide steady upper-body support, and the wide five-point base delivers reliable stability during seated movement. The chr supports a maximum static load of 120 kg, with weight evenly distributed across the five base legs and casters. This task chr fits a broad range of settings, including general office workstations, meeting and conference rooms, administrative staff areas, temporary hot-desking environments, corporate trning rooms, and office reception and visitor zones. Its compact footprint also makes it appropriate for home offices and study spaces, where it prs well with standard-height desks to support dly computer work and paperwork tasks. For procurement planning, the chr ships in flat-pack knockdown form, with one unit per carton. Assembly is strghtforward, requiring standard basic tools. Its cost-effective standard configuration supports bulk purchasing for large office deployments, while the durable upholstery and simple adjustment mechanism accommodate high-turnover shared workspace environments.

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