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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)	650 × 650 × 1040 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 mm
Lumbar Support Zone Height	240 mm
Clear Width Between Armrests	540 mm

PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Recommended user weight capacity	136 kg
Net weight	15.5 kg
Seat static load reference	680 kg downward seat-pan load
Backrest backward static load reference	136 kg
Caster rolling durability	100000 cycles over hard-floor obstacles
Gas lift cycle durability	100000 height-adjustment cycles
Seat foam density	45 kg/m3 high-resilience molded foam
Foam resilience	40 percent ball rebound
Suggested user body height	1600 to 1850 mm
Warranty target	5 years structural frame and mechanism, 2 years upholstery

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Backrest upholstery	Blue-gray polyester mesh stretched over a black molded frame with breathable geometric weave
Seat upholstery	Matching mesh fabric over 60 mm molded foam with a black molded seat shell
Internal seat board	12 mm molded plywood or reinforced PP seat board bonded to the steel mechanism plate
Armrests	Black nylon fixed arm supports with padded polyurethane contact pads and visible adjustment triggers
Mechanism	Black steel synchro-tilt chassis with two under-seat levers and tension adjustment
Gas lift	50 mm black powder-coated steel telescoping gas lift with polished center cup

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic lever raises and lowers the seat through 100 mm travel from 440 to 540 mm
Recline and lock	Synchro-tilt mechanism moves seat and back through a 25-degree recline range with multi-position lock
Swivel movement	360-degree swivel around the gas-lift center with automatic return-free rotation
Armrest adjustment	Height-adjustable padded armrests with side trigger and 70 mm vertical travel

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

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
Indicative 20GP Loading	135 sets at 85% space utilization

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Open-plan and workstation seating	Suits daily desk work where breathable mesh, 100 mm height travel, and rolling swivel support shared workstations
Meeting and home-office use	Fits compact offices or conference seats with a 650 mm footprint and fixed-height arm profile suitable for standard 760 mm desks

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

No standards data is available for this market.

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

North America procurement and testing reference	Recommended references: ANSI/BIFMA X5.1

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

No standards data is available for this market.

Standardized tender description text

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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Product Description

The MB-MESH-TASK-PA5 is an unbranded mid-back ergonomic task chair designed for daily desk work in commercial and residential settings. Its blue-gray polyester mesh backrest is stretched over a black molded frame, with a breathable geometric weave that gives the chair a light, structured appearance. The seat uses matching mesh fabric over molded foam and a black molded seat shell, while black nylon arm supports and a polished aluminum five-star base create a contrast between soft upholstery and exposed metallic framing. The mid-back profile, padded armrests, and compact 650 by 650 millimeter footprint support an orderly workstation layout without the visual weight of a high-backed executive chair. Construction centers on a black steel synchro-tilt chassis with two under-seat levers and tension adjustment. The seat board is molded plywood or reinforced PP, bonded to the steel mechanism plate. Cushioning includes a 90 millimeter finished seat cushion, 45 kilogram per cubic meter high-resilience molded foam, and a 70 millimeter padded backrest zone. The 50 millimeter black powder-coated steel telescoping gas lift includes a polished center cup, and the polished aluminum base is fitted with twin-wheel casters. The chair supports users through a 360-degree swivel, pneumatic seat-height adjustment with 100 millimeters of travel, and a synchro-tilt movement with a 25-degree recline range and multi-position lock. Armrests are height adjustable through 70 millimeters of vertical travel using a side trigger, with padded polyurethane contact pads. The clear width between armrests is 540 millimeters, and the recommended user weight capacity is 136 kilograms.
\nThese functions make the chair suitable for open-plan offices, individual workstations, shared desks, conference seating, and home offices where rolling mobility and adjustable posture support are required. It is also suited to compact offices and standard-height desks. Procurement teams should note that each set ships in two cartons with packaged gross weight of 23 kilograms and a reference assembly time of 40 minutes. The 0.26 cubic meter carton volume and 20GP loading reference of 135 sets at 85 percent space utilization are useful for bulk planning. Replacement planning should account for mesh, nylon, polyurethane, steel, aluminum, and caster components, while buyers seeking brand-specific warranties or certification documentation should confirm those terms separately before purchase.

Mid-Back Mesh Ergonomic Task Chair with Polished Aluminum Base Specifications

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