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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)	630 × 630 × 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	120 kg
Net weight	13.5 kg
Seat foam density	45 kg/m3
Back frame static load reference	150 kg
Five-star base static load reference	680 kg
Caster rolling durability	40,000 cycles
Gas-lift durability	100,000 height-adjustment cycles
Seat sliding durability	100,000 cycles
Fabric abrasion resistance	50,000 Martindale cycles
Color count	1 color

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	Gray-black flexible mesh set in a black polymer framed mid-back panel
Seat surface	Black woven fabric over a contoured padded cushion
Seat cushion	70 mm molded polyurethane foam on a load-bearing seat shell
Back support structure	Black polymer lumbar band with flexible cut-out slits
Armrests	Fixed black polymer T-arms with vertical supports and flat pads
Base and casters	Black nylon five-star base with five twin-wheel casters

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustment	Pneumatic lever raises and lowers the seat over a 100 mm stroke between 430 mm and 530 mm
Recline function	Center-tilt mechanism provides 12-degree controlled back movement with tension adjustment
Mobility	Five twin-wheel casters support rolling movement on hard floors and low-pile carpet
Backrest recline angle	12 degrees

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

20GP loading quantity	180 cartons
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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

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

Workstation use	Suited to open-plan desks, private offices and hot-desk stations requiring swivel access and compact 630 mm footprint
Daily office users	Designed for seated computer work by users up to 120 kg at standard 720 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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PDF · MB-TASK-550-BLK

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Product Description

The Black Mesh Mid-Back Swivel Task Chair with Fixed Arms, model MB-TASK-550-BLK, presents a practical office seating solution with a clean, monochrome appearance. Its gray-black flexible mesh back is set within a black polymer frame as a mid-height panel, paired with a black woven-fabric seat, fixed black polymer T-shaped arms, and a matching black nylon five-star base. The chair has a compact 630 by 630 millimeter footprint and an overall height of 1040 millimeters, while the 540-millimeter clearance between armrests gives users defined space at the seat. Fixed vertical supports and flat arm pads create a simple, orderly profile suited to coordinated workstation layouts. The seat uses a contoured, upholstered cushion with 70 millimeters of molded polyurethane foam on a load-bearing shell, supported by a finished cushion thickness of 90 millimeters and foam density of 45 kilograms per cubic meter. At the back, a black polymer lumbar band with flexible cut-out slits defines a 240-millimeter lumbar support zone, and the backrest padding thickness is 70 millimeters. Mobility is provided by five black nylon twin-wheel casters, with a chrome-plated gas lift serving as the central height-adjustment component. A pneumatic lever adjusts seat height through a 100-millimeter stroke, from 430 to 530 millimeters, helping the chair fit standard 720-millimeter desks. The center-tilt mechanism allows controlled 12-degree back movement and includes tension adjustment, while the swivel base and dual-wheel casters support turning and rolling on hard floors and low-pile carpet. The stated recommended user weight capacity is 120 kilograms. The chair is appropriate for open-plan desks, private offices, hot-desk stations, and home workspaces where seated computer work is the primary use. Its fixed arms and compact form also make it suitable for bench desks and shared work areas. Procurement planning should account for unbranded supply, one chair being delivered in two cartons, and an assembly reference time of 40 minutes per set. Packaged weight is 23 kilograms per set, with carton dimensions of 850 by 420 by 720 millimeters and a carton volume of 0.26 cubic meter per set. A 20GP container can accommodate 180 cartons. Buyers evaluating repeated desk moves should note the nylon caster and base construction, and those specifying long-term seating programs should review the listed durability references, including 40,000 caster rolling cycles and 100,000 gas-lift height-adjustment cycles.

Black Mesh Mid-Back Swivel Task Chair with Fixed Arms Specifications

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