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OC-MB-MESH-001

Code：JK49V5V1
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Mid-Back Mesh Task Office Chair with Upholstered Seat and Chrome Arm Supports Key Specifications 2026-08-02 10:02

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OC-MB-MESH-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 height520 mm
Armrest height above seat220 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

Recommended maximum user weight120 kg
Chair net weight14 kg
Backrest tilt lock angles3
Caster rolling durability100000 cycles
Seat foam compression set resistance25 %
Backrest tilt lock positions3
Base static load rating1136 kg
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

Backrest frameBlack injection-molded plastic outer frame with rigid structural ribs
Backrest fabricBlack woven elastic mesh stretched over the frame with tensioned border construction
Seat cushion upholsteryBlack woven fabric cover stitched around molded foam with sewn edge detailing
Seat cushion foamMolded polyurethane foam core under upholstery, shaped for thigh support
Armrest assemblyBlack plastic top pad mounted on chrome-plated steel rectangular support posts fixed to the seat frame
Height adjustment gas liftBlack powder-coated pneumatic gas lift cylinder connecting seat mechanism to base
Five-star baseBlack nylon five-legged base with reinforced rib structure at center hub
CastersDual-wheel black casters with dark tire and lighter inner hub, swivel mounted to base legs
Seat tilt mechanismBlack metal tilt mechanism housed under the seat cushion, paired with gas lift for height control
Backrest upholsteryBlack woven elastic polyester mesh stretched over the frame with tensioned border stitching construction
Seat cushion foam coreMolded high-density polyurethane foam core under upholstery, contoured for thigh and hip support
Seat inner frame15 mm thick plywood inner frame wrapped by foam and fabric, forming the structural core of the seat assembly
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustmentPneumatic gas lift operated by side lever, providing continuous height variation between minimum and maximum seat positions
Backrest tilt with lockSynchro-tilt mechanism that reclines the backrest relative to the seat, with multiple lockable positions for different working or resting postures
360-degree swivelFull continuous rotation around the central gas lift axis, enabled by the mechanism bearing and caster base
Mobility via five castersFive swivel dual-wheel casters allow smooth rolling on hard office floors and low-pile carpet, supporting easy repositioning within workstations
Fixed-position armrestsRigidly mounted armrests with padded top surfaces, providing stable forearm support at a fixed height above the seat
Breathable back supportTensioned mesh backrest conforms to user back shape and promotes air circulation to reduce heat buildup during prolonged sitting
Backrest synchro-tilt with lockSynchro-tilt mechanism that reclines the backrest at a 2:1 ratio relative to seat movement, with 3 lockable positions for working or resting postures
Tilt tension adjustmentRotary knob under the seat adjusts spring tension to match user body weight, controlling backrest recline resistance
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 piece per carton, knock-down (KD) flat pack with seat, backrest, armrests, base, gas lift and casters separated
Gross weight per carton16 kg
Carton dimensions650 x 520 x 320 mm
Carton volume0.11 m³
Assembly time per unit30 minutes
20ft container loading quantity350 pieces
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 at standard 760 mm height desks in open-plan offices, with mesh back for breathability in shared environments
Home office and remote work setupsAppropriate for home office desks and study tables, with compact footprint and easy mobility to fit smaller work areas
Meeting rooms and training roomsWell-suited for meeting tables and training venues where multiple matching chairs are required, with 360-degree swivel for discussion and reorientation
Administrative staff workstationsRecommended for administrative and clerical staff performing seated keyboard and document tasks, with fixed armrests for consistent forearm support
Co-working and flexible desk environmentsIdeal for hot-desking and flexible workspaces due to easy height adjustment, mobility and low-maintenance mesh backrest
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

Office furniture - chairs - determination of stabilityEN 1335:2018 applicable for static, impact and fatigue strength testing of office task chairs
Office furniture - office work chair - dimensionsEN 1335:2020 applicable for ergonomic dimension specifications of office chairs used at work desks
Upholstered furniture - ignition source requirementsEN 1021:2014 applicable for smolder ignition resistance assessment of upholstery fabrics and foams
Office furniture - chairs - determination of stability, strength and durabilityEN 1335:2018 applicable for static, impact and fatigue strength testing of office task chairs
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

General safety requirements for seatingANSI/BIFMA X2017 applicable for structural testing, stability, durability and safety evaluation of office chairs
Casters and bases for office seatingBIFMA X2017 includes caster durability and base static/impact load test methods
STANDARD S3

China GB Standards

Standards applicable to China-market projects

General technical requirements for office chairsGB/T 38056 applicable for structural strength, stability and durability assessment of office task chairs
Upholstered furniture flammabilityGB 20286 applicable for fabric foam assembly flammability verification in public and workplace furniture
Limits of harmful substances for furnitureGB 18584 applicable for formaldehyde emission and heavy metal limits in wood-based or upholstered furniture components
Standard Tender Description
This product must meet the following technical requirements:
1. General technical requirements for office chairs: GB/T 38056 applicable for structural strength, stability and durability assessment of office task chairs;
2. Upholstered furniture flammability: GB 20286 applicable for fabric foam assembly flammability verification in public and workplace furniture;
3. Limits of harmful substances for furniture: GB 18584 applicable for formaldehyde emission and heavy metal limits in wood-based or upholstered furniture components;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
GENERATED EXPORTS

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Technical Report PDF

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PDF · OC-MB-MESH-001

Complete Parameter Workbook

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XLSX · OC-MB-MESH-001

International Listing Template

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XLSX · LISTING

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Product Overview & Construction Details

The GUOYOU OC-MB-MESH-001 is a mid-back mesh task office chr with an upholstered seat and chrome arm supports, designed for versatile use across professional and residential work settings. Its visual profile features a sleek, functional silhouette: a black woven elastic mesh backrest framed by black injection-molded plastic with structural ribs, pred with a padded black fabric seat accented by stitched edge detling. Chrome-plated steel rectangular arm supports with black plastic top pads create a contrasting metallic accent, while a black nylon five-star base with dual-wheel casters completes the clean, modern aesthetic suited for a range of interior styles. Constructed with durability and comfort in mind, the chr integrates a molded high-density polyurethane foam seat core wrapped in black woven fabric upholstery, supported by an inner plywood frame for structural stability. The tensioned mesh backrest provides breathable, contouring support that adapts to the user’s back shape, reducing heat buildup during extended sitting. Under-seat components include a black metal synchro-tilt mechanism and a powder-coated pneumatic gas lift, while the five-star base features a reinforced rib structure at the central hub for reliable load distribution. Rigid, fixed-position armrests mount directly to the seat frame, offering consistent forearm support. Functionally, the chr delivers core task chr capabilities: pneumatic seat height adjustment via a side lever, synchro-tilt recline with multiple lockable positions, tilt tension adjustment to match user body weight, full 360-degree swivel, and smooth multi-directional mobility through five dual-wheel casters. The mid-back design targets lumbar and mid-torso support, making it suitable for regular desk-based work. This model fits seamlessly into open-plan office workstations, administrative staff areas, meeting rooms, trning facilities, and co-working or flexible desk environments. It also works well for home office and remote work setups, with a compact footprint that accommodates smaller residential work spaces. For procurement planning, the chr ships in a knock-down flat pack configuration, with assembly requiring basic tools. Buyers should verify specific material specifications, component ratings, and caster suitability for intended floor types directly with the supplier to align with project requirements.

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