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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 × 1290 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	135 kg
Chair net weight	17 kg
Seat foam density	45 kg/m3
Seat foam indentation load deflection	65 N
Back mesh tensile load	180 N warp and 150 N weft
Base static load rating	1136 kg
Caster rolling durability	100000 cycles
Gas lift cycle durability	100000 cycles
Recommended daily usage	8 hours
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.

Back and headrest suspension	Black breathable woven mesh tensioned over a molded polymer frame
Outer back frame	Injection-molded black glass-fiber-reinforced nylon shell with integrated side rails
Seat cushion	Molded polyurethane foam, 70 mm thick, covered with black woven polyester fabric
Lumbar assembly	Black polymer support housing with a curved padded contact pad and round adjustment knob
Armrests	Black fixed-height polymer arm posts topped with flat polyurethane or polymer pads
Base and movement hardware	Nylon five-star base, 50 mm steel gas lift, and 60 mm twin-wheel nylon casters

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustment	Pneumatic seat-height lift with 100 mm travel, controlled by the lever under the right seat side
Recline and lock control	Synchronized tilt mechanism with 15-degree rearward recline and one upright lock position
Head support adjustment	Sliding headrest with 90 mm height adjustment and pivoting curved mesh support for neck contact
Lumbar adjustment	Rear knob and slide bracket provide 80 mm height adjustment for the curved lower-back pad

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.

Primary workplace application	Open-plan offices, home offices, and administrative workstations requiring lumbar support and swivel mobility
Procurement configuration	Specify in black for shared desks, hot desks, and operator seating where a compact 660 mm footprint is required

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 applicability	Use for office chair dimensional safety and functional geometry verification
EN 1335-2 applicability	Use for safety requirements including stability, strength, and structural durability
EN 1335-3 applicability	Use as the test-method reference for structural safety verification
EN 1021-1 applicability	Use for cigarette-ignition upholstery flammability testing where fabric and foam are specified

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 applicability	Use for office chair safety, stability, static load, fatigue, swivel, and caster testing

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3 applicability	Use for strength and durability testing of chair seat and back structures during procurement inspection
GB/T 2828.1 applicability	Use sampling procedures for incoming batch inspection of dimensions, finish, hardware, and stability
GB 18584 applicability	Use for indoor decorative-material limits on formaldehyde and lead in furniture materials

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3 applicability: Use for strength and durability testing of chair seat and back structures during procurement inspection;
2. GB/T 2828.1 applicability: Use sampling procedures for incoming batch inspection of dimensions, finish, hardware, and stability;
3. GB 18584 applicability: Use for indoor decorative-material limits on formaldehyde and lead in furniture materials;
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 Adjustable Headrest and Lumbar Support, model EMH-MESH-01, presents a professional high-back silhouette suited to task-focused work environments. Its black engineered polymer structure is paired with breathable woven mesh across the back and headrest, creating a streamlined visual profile while allowing air circulation. The molded outer back frame uses black glass-fiber-reinforced nylon with integrated side rails, and the curved mesh headrest provides a coordinated appearance above the contoured back. A 240 mm lumbar support zone, fixed-height black polymer armrests, and a five-star base reinforce the chair’s structured, purposeful layout. The clear width between armrests is 540 mm, and the specified procurement footprint is 660 mm, making it appropriate for compact workstation arrangements. Construction combines a molded polymer back shell, black breathable woven mesh, a fabric-covered foam seat, nylon base components, and steel movement hardware. The seat uses molded polyurethane foam at 90 mm finished cushion thickness, with 45 kg/m3 foam density and 65 N indentation load deflection, upholstered in black woven polyester fabric. The backrest includes 70 mm padding thickness, while the mesh is rated for 180 N tensile load in the warp direction and 150 N in the weft direction. The lumbar assembly consists of a black polymer support housing, curved padded contact pad, and round adjustment knob. Arm posts are fixed-height polymer with flat polyurethane or polymer pads. The chair rests on a nylon five-star base with a 50 mm steel gas lift and 60 mm twin-wheel nylon casters. Its recommended user weight capacity is 135 kg, net weight is 17 kg, and the base static load rating is 1136 kg. Caster rolling durability is stated at 100,000 cycles. Functional controls support everyday office use. A pneumatic lever under the right side adjusts seat height through 100 mm of travel. The synchronized tilt mechanism allows 15 degrees of rearward recline and includes one upright lock position. The sliding headrest offers 90 mm of height adjustment and a pivoting curved mesh surface for neck contact. At the lower back, a rear knob and slide bracket provide 80 mm of height adjustment for the curved lumbar pad. Swivel mobility and twin-wheel casters support movement at desk-level tasks. This unbranded ergonomic office chair is intended for open-plan offices, home offices, and administrative workstations requiring lumbar support and swivel mobility. It can be specified in black for shared desks, hot desks, and operator seating. Procurement planning should note that each set ships in two cartons, with packaged gross weight of 23 kg, carton volume of 0.26 m3, and reference assembly time of 40 minutes. Indicative loading is 135 sets in a 20GP container at 85 percent space utilization.

Black Mesh Ergonomic Task Chair with Adjustable Headrest and Lumbar Support Specifications

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