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OC-MB-001

Code：G0Q2WJV1
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Mesh Back Task Office Chair with Fixed Armrests Key Specifications 2026-08-02 13:21

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OC-MB-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 width480 mm
backrest height560 mm
armrest height from seat200 mm
armrest pad dimensions240 x 60 mm
5-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

recommended maximum user weight120 kg
chair net weight range13 kg
seat foam density reference45 kg/m³
backrest tilt lock angle range12°
caster rolling durability reference100000 cycles
stitch pitch on seat upholstery6 stitches per 25 mm
seat foam density45 kg/m³
backrest tilt lock angle12°
gas lift stroke length80 mm
Seat Foam Density / Rebound Reference45 kg/m³ / 65%
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

backrest panelBreathable black nylon mesh stretched over a rigid plastic frame with integrated lumbar support shape
seat cushionMolded polyurethane foam core wrapped in black woven fabric upholstery
armrestsHard plastic arm pads mounted on black painted steel support posts fixed to the seat frame
gas lift cylinderChrome-plated steel pneumatic height-adjustment cylinder
tilt mechanismBlack powder-coated steel tilt chassis with single control lever under the seat
5-star baseOne-piece injection-molded black nylon five-leg base with ribbed structural reinforcement
castersBlack nylon dual-wheel casters with plastic mounting stems inserted into base sockets
internal seat framePlywood or steel inner frame supporting the foam cushion
seat cushion coreMolded polyurethane foam core with consistent density distribution
seat upholsteryBlack woven fabric cover stitched around the foam cushion with locked seam construction
armrest assemblyHard plastic arm pads mounted on black painted steel support posts fixed directly to the seat inner frame
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 height adjustment operated by the right-side lever, providing 80 mm of vertical travel to match different desk heights
backrest tilt with tension controlSynchro-tilt mechanism allowing the backrest to recline up to 12° from upright, with adjustable tilt tension via a knob under the seat
360-degree swivelFull 360-degree continuous rotation enabled by the gas lift and tilt mechanism interface, for multi-directional desk access
fixed height armrestsNon-adjustable T-shaped armrests set at a fixed 200 mm height above the seat, providing stable forearm support during typing
integrated lumbar contourY-shaped structural rib in the lower backrest creates a contoured lumbar support zone to maintain natural spinal curvature
mobility on five castersFive dual-wheel casters enable smooth rolling across office floors and distribute load for stable static positioning
fixed height armrest supportNon-adjustable T-shaped armrests set at a fixed 200 mm height above the seat, providing stable forearm support during typing and mouse operation
integrated lumbar contour supportY-shaped structural rib in the lower backrest creates a contoured lumbar support zone to maintain natural spinal curvature during extended seating
multi-surface mobilityFive dual-wheel casters enable smooth rolling across office floors and distribute static load for stable stationary positioning
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

shipping carton count1 carton per chair
carton dimensions650 x 620 x 320 mm
gross weight per carton15 kg
cubic meters per unit0.129 CBM
assembly time per unit30 minutes
20-foot 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

open-plan office workstationsSuitable for daily 8-hour use in open office environments, pairing with standard 760 mm high desks to support focused computer work
staff work desks and call centersAppropriate for high-density seating deployments where durable, breathable and easy-to-maintain task seating is required
meeting and training roomsWell-suited for conference and training room seating due to swivel mobility, compact footprint and stackable-compatible knock-down form
home office setupsWorks for personal home offices with standard desks, offering basic ergonomic adjustment at an accessible price point
temporary workstations and hot-deskingIdeal for hot-desk and flexible seating areas because of lightweight mobility, neutral black finish and easy cleaning | Caster mobility and universal height range accommodate frequent users of different statures
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 1335-1:2020Applicable for office chair dimensions, safety and strength requirements for general office use
EN 1022:2018Applicable for assessing chair stability under static loading conditions
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2021Applicable standards and test results require confirmation
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 38607-2020Applicable for evaluating office chair mechanical strength, stability and durability during incoming inspection
GB 18401-2010 Class BApplicable for fabric upholstery formaldehyde and harmful substance limits for direct skin contact
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 38607-2020: Applicable for evaluating office chair mechanical strength, stability and durability during incoming inspection;
2. GB 18401-2010 Class B: Applicable for fabric upholstery formaldehyde and harmful substance limits for direct skin contact;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Overview & Construction Details

This mid-back mesh task office chair delivers practical ergonomic support for everyday work environments, combining a breathable backrest with a padded fabric seat and smooth height adjustment. The backrest uses stretched nylon mesh set within a rigid plastic frame, with an integrated Y-shaped structural contour that shapes the lumbar zone to maintain natural spinal posture during extended seated work. The seat features a molded foam cushion wrapped in durable woven fabric, providing consistent support without excessive heat retention. Fixed T-shaped armrests offer stable forearm positioning for typing and mouse use, with a uniform height that simplifies fleet-wide standardization across workstations. Beneath the seat, a steel tilt chassis with a side control lever delivers pneumatic seat height adjustment and a synchronized backrest recline with tension control, while a chrome-plated gas lift cylinder enables full 360-degree swivel. The chair rests on a one-piece injection-molded nylon five-star base fitted with standard dual-wheel casters, balancing load stability with easy mobility across carpeted or hard office floors. With its neutral black finish and compact footprint, the chair fits seamlessly into open-plan offices, call centers, meeting rooms, training spaces and home offices, pairing comfortably with desks between 720 mm and 760 mm in height. For procurement planning, key engineering points to confirm with the supplier include gas lift class rating, seat foam density, fabric abrasion resistance, mechanism plate thickness and base static load capacity. Packaging is estimated as a single knock-down carton per unit for efficient container loading, with assembly expected to be completed using basic tools within a standard timeframe. All structural dimensions and performance values provided are reference estimates based on typical task chair construction, intended for initial budget and layout planning prior to formal supplier qualification.

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