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Black Mesh Ergonomic Task Chair with Fixed Arms and Swivel Base Specifications

OFC-MESH-500-BLKCode:JE21VMV1

Black Mesh Ergonomic Task Chair with Fixed Arms and Swivel Base (model OFC-MESH-500-BLK) is listed under Mesh Office Chair. Dimensions: 630 × 610 × 1050 mm. Materials: Black woven flexible mesh held in a curved black polymer outer frame. Load capacity: 120 kg. Product Features: Black,finish,mesh,back,fabric,seat,fixed,armrests,swivel,base,rolling,task,chair. 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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2026-10-29 00:08Popularity: 4
BrandFENGGUANModelOFC-MESH-500-BLK
Overall dimensions (W × D × H)630 × 610 × 1050 mmOverall chair dimensions630 x 610 x 1050 mm
Finished Seat Cushion Thickness90 mmBackrest Padding Thickness70 mm
Lumbar Support Zone Height240 mmClear Width Between Armrests540 mm
Net weight13.5 kgRated user load120 kg
Seat foam density45 kg/m3Back mesh fabric weight280 g/m2
Seat fabric abrasion acceptance value50000 Martindale cyclesBack tilt angle18 degrees rearward
Swivel rotation360 degreesSeat static load acceptance value102 kg
Base static load acceptance value1134 kgSeat Foam Density / Rebound Reference45 kg/m³ / 65%
Backrest suspensionBlack woven flexible mesh held in a curved black polymer outer frameSeat upholsteryDark gray or black woven fabric over molded foam cushioning
Lumbar componentRigid black polymer lumbar pad mounted centrally across the mesh backArmrest constructionBlack molded fixed T-arms with polymer pads and vertical support posts
Under-seat supportBlack steel tilt plate and mechanism with polymer adjustment leverBase and castersBlack nylon five-star base with five twin-wheel polymer casters
Height adjustmentPneumatic seat-height lift operated by the right-side lever over a 90 mm travel rangeRecline controlCenter-tilt or synchro-style mechanism provides 18 degrees of rearward back movement with tension control
Lumbar supportFixed central lumbar panel contacts the lower back through the flexible mesh backMobilityFive dual casters and a 360-degree swivel base support movement around a workstation
Reference Package Count1 set / 2 cartonsReference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mmReference Packaged Gross Weight23 kg/set
Reference Carton Volume0.26 m³/setIndicative 20GP Loading135 sets at 85% space utilization
General office workstationSuited to individual desk work, computer tasks and daily seating in open-plan or private officesCommercial flexible seatingSuitable for hot-desks, meeting rooms and training areas requiring mobile mid-back support
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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 × 610 × 1050 mm
Overall chair dimensions630 x 610 x 1050 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.

Net weight13.5 kg
Rated user load120 kg
Seat foam density45 kg/m3
Back mesh fabric weight280 g/m2
Seat fabric abrasion acceptance value50000 Martindale cycles
Back tilt angle18 degrees rearward
Swivel rotation360 degrees
Seat static load acceptance value102 kg
Base static load acceptance value1134 kg
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 suspensionBlack woven flexible mesh held in a curved black polymer outer frame
Seat upholsteryDark gray or black woven fabric over molded foam cushioning
Lumbar componentRigid black polymer lumbar pad mounted centrally across the mesh back
Armrest constructionBlack molded fixed T-arms with polymer pads and vertical support posts
Under-seat supportBlack steel tilt plate and mechanism with polymer adjustment lever
Base and castersBlack nylon five-star base with five twin-wheel polymer casters
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 operated by the right-side lever over a 90 mm travel range
Recline controlCenter-tilt or synchro-style mechanism provides 18 degrees of rearward back movement with tension control
Lumbar supportFixed central lumbar panel contacts the lower back through the flexible mesh back
MobilityFive dual casters and a 360-degree swivel base support movement around a workstation
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.

General office workstationSuited to individual desk work, computer tasks and daily seating in open-plan or private offices
Commercial flexible seatingSuitable for hot-desks, meeting rooms and training areas requiring mobile mid-back support
STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 applicabilityApplicable standards and test results require confirmation
EN 1335-2 applicabilityUse for office-chair safety requirements, stability and structural verification
EN 1335-3 applicabilityUse for office-chair test methods including strength, durability and safety verification
EN 1021-1 applicabilityUse for upholstery cigarette-ignition assessment if flame-retardant seating is required
STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 static seat targetSpecify proof-load verification at 102 kg for the seat assembly
STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3 applicabilityUse for chair strength and durability verification in commercial furniture procurement
GB/T 3324 applicabilityUse for general wooden furniture dimensional and workmanship checks where applicable
GB 17927 applicabilityUse for upholstered furniture degradation and safety assessment of fabric and foam
Standardized tender description text
This product must meet the following technical requirements:
1. GB/T 10357.3 applicability: Use for chair strength and durability verification in commercial furniture procurement;
2. GB/T 3324 applicability: Use for general wooden furniture dimensional and workmanship checks where applicable;
3. GB 17927 applicability: Use for upholstered furniture degradation and safety assessment of fabric and foam;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Description

The Black Mesh Ergonomic Task Chair with Fixed Arms and Swivel Base is an unbranded office chair, model OFC-MESH-500-BLK, designed for practical daily seating in contemporary work environments. Its appearance is defined by a black woven flexible mesh back set within a curved black polymer outer frame, paired with a dark gray or black woven fabric seat. Black molded fixed T-arms, a black nylon five-star base, twin-wheel polymer casters, and black polypropylene components give the chair a coordinated, functional look suited to standard office interiors. The chair is built around a steel under-seat tilt plate and mechanism, with a gas lift for height adjustment and a polymer adjustment lever. The seat uses molded foam cushioning beneath fabric upholstery, while the back combines flexible mesh suspension with a rigid central black polymer lumbar pad. Its fixed armrests include polymer pads and vertical support posts, providing a consistent arm position without additional adjustment complexity. The five-star base and twin casters support smooth mobility, and the swivel mechanism allows full rotation around the workstation. Functionally, the chair supports pneumatic seat-height adjustment through a right-side lever, with 90 mm of travel. Its center-tilt or synchro-style mechanism allows the backrest to move 18 degrees rearward and includes tension control for personalized recline resistance. The fixed central lumbar panel contacts the lower back through the flexible mesh, while the padded seat and mid-back form provide support for computer work and general desk tasks. The chair has an overall dimension of 630 x 610 x 1050 mm, a finished seat cushion thickness of 90 mm, backrest padding thickness of 70 mm, a lumbar support zone height of 240 mm, and 540 mm of clear width between the armrests. This model is appropriate for individual office workstations in open-plan or private offices, as well as flexible commercial settings such as hot-desks, meeting rooms, and training areas that require mobile mid-back seating. It can also serve residential work or study spaces where a conventional office chair is preferred. For procurement planning, the chair is supplied as one set in two cartons, with packaged gross weight listed at 23 kg per set and reference assembly time of 40 minutes per set. Buyers should note the fabric seat, mesh back, fixed arms, swivel base, and rolling support when matching the chair to user needs or facility standards. The rated user load is 120 kg, and the seat upholstery has an abrasion acceptance value of 50000 Martindale cycles.

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