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Black Mesh Swivel Task Chair with Fixed T-Arms Specifications

MB-TASK-50BCode:WWPXRWV1

Black Mesh Swivel Task Chair with Fixed T-Arms (model MB-TASK-50B) is listed under Mesh Office Chair. Dimensions: 640 × 650 × 1080 mm. Materials: Black flexible woven mesh tensioned in a black molded polymer frame. Load capacity: 680 kg. Product Features: black,chair,mesh,back,fixed,T-armrests,swivel,base,rolling,casters. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.

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2026-10-30 16:47Popularity: 1
BrandFENGGUANModelMB-TASK-50B
Overall dimensions (W × D × H)640 × 650 × 1080 mmFinished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mmLumbar Support Zone Height240 mm
Clear Width Between Armrests540 mmRecommended user weight capacity136 kg
Net weight reference14.5 kgStatic seat verification load680 kg
Caster rolling durability100000 cyclesGas-lift cycles100000 height-adjustment cycles
Seat-back cyclic load120000 cyclesSeating capacity1 person
Recommended daily use duration8 hours per dayBase static load reference680 kg downward force
Seat Foam Density / Rebound Reference45 kg/m³ / 65%Backrest constructionBlack flexible woven mesh tensioned in a black molded polymer frame
Seat upholsteryBlack woven fabric over molded polyurethane foamSeat cushion foam60 mm molded polyurethane foam with 45 kg/m3 density and 40 percent rebound
Frame and back supportBlack molded polymer outer frame with integrated lumbar bridgeArmrestsFixed black molded T-armrests with polymer support posts and flat pads
Internal seat shell12 mm molded plywood or reinforced polymer seat carrier under the cushionHeight adjustmentPneumatic seat-height lift through a 100 mm stroke using the right-side lever
Back tiltSynchro tilt with 15-degree seat tilt and 22-degree back tilt, locked in the upright positionTilt tensionRotary tension knob under the seat adjusts resistance for users up to 136 kg
Swivel360-degree swivel around the central gas-lift axisReference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per setReference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/setReference Carton Volume0.26 m³/set
Indicative 20GP Loading135 sets at 85% space utilizationOffice workstation useSuitable for individual desk workstations, shared desks and computer seating in 8-hour office environments
Meeting and study spacesSuitable for conference rooms, training rooms, home studies and temporary work points——
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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)640 × 650 × 1080 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

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

Recommended user weight capacity136 kg
Net weight reference14.5 kg
Static seat verification load680 kg
Caster rolling durability100000 cycles
Gas-lift cycles100000 height-adjustment cycles
Seat-back cyclic load120000 cycles
Seating capacity1 person
Recommended daily use duration8 hours per day
Base static load reference680 kg downward force
Seat Foam Density / Rebound Reference45 kg/m³ / 65%
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 constructionBlack flexible woven mesh tensioned in a black molded polymer frame
Seat upholsteryBlack woven fabric over molded polyurethane foam
Seat cushion foam60 mm molded polyurethane foam with 45 kg/m3 density and 40 percent rebound
Frame and back supportBlack molded polymer outer frame with integrated lumbar bridge
ArmrestsFixed black molded T-armrests with polymer support posts and flat pads
Internal seat shell12 mm molded plywood or reinforced polymer seat carrier under the cushion
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustmentPneumatic seat-height lift through a 100 mm stroke using the right-side lever
Back tiltSynchro tilt with 15-degree seat tilt and 22-degree back tilt, locked in the upright position
Tilt tensionRotary tension knob under the seat adjusts resistance for users up to 136 kg
Swivel360-degree swivel around the central gas-lift axis
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/set
Reference Carton Volume0.26 m³/set
Indicative 20GP Loading135 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.

Office workstation useSuitable for individual desk workstations, shared desks and computer seating in 8-hour office environments
Meeting and study spacesSuitable for conference rooms, training rooms, home studies and temporary work points
STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

Office furniture safety proposalEN 1335:2020, applicable to dimensional and structural evaluation of the office task chair
Office furniture strength proposalEN 1335:2018, applicable to safety, static load and fatigue verification
Office furniture stability proposalEN 1335:2020, applicable to test methods for stability and structural durability
STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair safety proposalANSI/BIFMA X2017applicable to general-purpose office chair strength, durability and stability tests
Caster and base proposalANSI/BIFMA X2017Tests 2, 5 and 8, applicable to base load, caster durability and chair stability
STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair safety proposalRecommended references: GB/T 28004.1:2022
Formaldehyde control proposalGB 18580:2017, applicable if wood-based seat-board materials are supplied
Upholstery fabric proposalGB 18401:2010 Category B, applicable to fabric safety and colorfastness checks
Standardized tender description text
This product must meet the following technical requirements:
1. Office chair safety proposal: Recommended references: GB/T 28004.1:2022;
2. Formaldehyde control proposal: GB 18580:2017, applicable if wood-based seat-board materials are supplied;
3. Upholstery fabric proposal: GB 18401:2010 Category B, applicable to fabric safety and colorfastness checks;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Description

The Black Mesh Swivel Task Chair with Fixed T-Arms, model MB-TASK-50B, is an unbranded office chair designed for practical daily seating in commercial and home work environments. Its coordinated black finish gives it a clean, functional appearance that integrates readily with neutral desk systems, open-plan offices, and residential study furniture. The chair presents a rectangular mesh back set within a molded polymer frame, paired with a generously upholstered seat, fixed T-shaped armrests, and a five-star caster base. The clear width between armrests provides defined seating space, while the central gas lift and rolling base establish the familiar compact footprint of a modern task chair. Construction balances breathable support with cushioned comfort. The backrest uses flexible black woven mesh tensioned in a molded polymer frame, with an integrated lumbar bridge and a dedicated lumbar support zone. The seat combines black woven fabric over molded polyurethane foam; the cushion includes a 60 mm molded foam component within a finished cushion thickness of 90 mm. A molded plywood or reinforced polymer carrier sits beneath the cushion, and the armrests use polymer support posts with flat fixed pads. The base is formed from nylon and fitted with twin-wheel casters, while height adjustment relies on a steel gas lift. The chair supports one user and is rated for a recommended user weight of 136 kg. A right-side lever operates pneumatic seat-height adjustment through a 100 mm stroke. The synchro-tilt mechanism allows the seat and back to move together, with a 15-degree seat tilt and 22-degree back tilt, and can be locked in the upright position. A rotary tension knob beneath the seat adjusts tilt resistance. Full 360-degree swivel and smooth-rolling casters support movement between desk tasks and nearby work surfaces. This model is appropriate for individual desk workstations, shared desks, conference rooms, training rooms, home studies, computer seating, and temporary work points in 8-hour office settings. Buyers should plan for assembly: each set ships in two cartons, with a reference assembly time of 40 minutes. Procurement teams should also account for packaged gross weight and carton volume when arranging delivery, storage, and multi-unit projects. Fixed T-arms aid arm support and visual consistency, but should be checked for compatibility with desk height and clearance before specification.

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