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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)	660 × 660 × 1030 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
Static seat proof-load target	680 kg
Backrest cyclic recline target	120,000 cycles
Gas-lift height cycles	100,000 cycles
Caster rolling durability target	100,000 cycles
Chair net weight	16.8 kg
Seat foam density	45 kg/m3
Fabric abrasion acceptance target	50,000 Martindale cycles
Recommended user height range	160 to 188 cm
Seat Foam Density / Rebound Reference	45 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 suspension	Black flexible woven mesh held in a black polymer outer frame
Seat cushion	60 mm molded polyurethane foam under black woven fabric with waterfall front
Internal seat shell	12 mm molded plywood or reinforced polymer load board with steel reinforcement plate
Back support frame	Black glass-fiber-reinforced polymer frame with molded Y-shaped internal ribs
Armrests	Height-adjustable black polymer arm pads on black steel-reinforced support posts
Lift and base	Polished aluminum five-star base with chrome-plated steel gas-lift tube

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 using the 50 mm gas lift
Backrest recline	Synchro-tilt mechanism reclines the back to 18 degrees with seat synchronized tilt and tension knob
Recline lock	Multi-position lock secures the back at 4 selected angles between upright and full recline
Armrest adjustment	Height-adjustable arms provide 70 mm vertical travel with padded support surfaces

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Carton dimensions	680 x 640 x 340 mm
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.

Open-plan and private office workstations	Suitable for daily computer work because the mesh back, lumbar panel, recline lock, and adjustable arms support seated task changes
Conference, training, and hot-desk areas	Suitable for shared multi-user seating due to swivel mobility, five twin casters, durable black fabric, and compact 660 mm footprint

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020 office furniture dimensions	Use to verify seat-height range, back dimensions, and ergonomic clearance for office work chairs
EN 1335-2:2018 safety requirements	Specify structural safety, stability, and mechanism safety requirements before procurement acceptance
EN 1335-3:2020 test methods	Use standardized strength, durability, and rolling test methods rather than relying on supplier claims
EN 1021-1:2014 upholstery ignition resistance	Request cigarette-ignition testing for the fabric and foam when project fire criteria apply

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017 office chairs	Specify back, seat, base, arm, tilt, and caster tests for commercial office seating acceptance
BIFMA e3-2019 furniture sustainability	Request material, energy, human-health, and social-impact credits if the project requires sustainable procurement

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3-2013 strength and durability	Specify backward and sideways static-load plus fatigue tests for the seat and back assembly
GB/T 10357.5-2011 impact and caster testing	Apply seat impact, caster, and base durability checks suitable for swivel office seating
GB 17927-2022 upholstered furniture fire performance	Request fire-performance classification if public-sector or high-occupancy projects require it

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3-2013 strength and durability: Specify backward and sideways static-load plus fatigue tests for the seat and back assembly;
2. GB/T 10357.5-2011 impact and caster testing: Apply seat impact, caster, and base durability checks suitable for swivel office seating;
3. GB 17927-2022 upholstered furniture fire performance: Request fire-performance classification if public-sector or high-occupancy projects require it;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Mid-Back Mesh Ergonomic Task Chair with Lumbar Pad and Chrome Base is an unbranded ergonomic office chair designed for daily desk work, shared workspaces, and standard office seating programs. Its balanced black-and-polished-metal appearance combines a flexible black mesh back, a contoured fabric seat, black polymer arm and mechanism components, and a polished aluminum five-star base with black twin-wheel casters. The mid-height back is framed in black glass-fiber-reinforced polymer with molded Y-shaped internal ribs, giving the chair a structured visual profile while defining a clear lumbar support zone. The backrest uses black flexible woven mesh held within the polymer outer frame, promoting a light, open look behind the user. The seat is upholstered in black woven fabric over molded polyurethane foam and features a waterfall front intended to support the thighs during extended task work. Beneath the cushion, the internal seat shell uses molded plywood or a reinforced polymer load board with a steel reinforcement plate. The armrests have height-adjustable black polymer pads supported by black steel-reinforced posts, while the polished aluminum base and chrome-plated steel gas-lift tube provide a contrasting commercial finish. Practical adjustment is centered on a pneumatic seat-height lever, synchro-tilt recline, tension control, and multi-position recline lock. The gas lift provides seat-height travel for individual desk fit, and the synchro mechanism coordinates back and seat movement as the back reclines. Users can secure the backrest at selected angles between upright and full recline. The adjustable arms add vertical positioning for varied keyboard and desk postures, while swivel movement and five casters support easy turning and repositioning around a workstation. The chair is well suited to open-plan workstations, private offices, conference rooms, training spaces, and hot-desk areas. Its compact footprint and mobile base make it practical for shared layouts, while the mesh back, lumbar panel, recline lock, and adjustable arms accommodate changing seated tasks throughout the day. It also fits residential studies, home offices, and shared work areas where a commercial-style task chair is preferred. Procurement teams should note the model is supplied unbranded under MB-MESH-TASK-TASK-CH-01 and is packaged as one set in two cartons, with assembly required. Planning should allow for receiving, component checking, and chair assembly before deployment. The black finish and polished base coordinate with a broad range of desks and storage systems, and the specified weight capacity should be matched to intended users. As with task seating, buyers should evaluate arm height, seat feel, recline behavior, and maintenance of fabric and mesh surfaces against the needs of the installation.

Mid-Back Mesh Ergonomic Task Chair with Lumbar Pad and Chrome Base Specifications

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