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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)	650 × 650 × 1080 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
Net weight	16.5 kg
Caster rolling durability target	100000 cycles
Gas-lift static axial load target	102 kgf at 100000 cycles
Seat static load acceptance target	1020 kg
Backrest cyclic force target	68 kgf for 120000 cycles
Arm downward static load target	68 kg per arm
Base static leg-load target	1134 kg
Swivel rotation	360 degrees continuous
Recommended daily use duration	8 hours per day

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 support fabric	Gray horizontal-weave engineered mesh tensioned in a gray molded frame
Seat upholstery	Gray woven fabric over a contoured high-resilience foam cushion
Seat cushion core	80 mm molded foam with 45 kg/m3 density and 40 percent rebound target
Seat support board	12 mm molded plywood or engineered composite board
Back frame	Gray glass-fiber-reinforced nylon outer frame with internal lumbar curve
Arm pads	Black polyurethane soft pads on rigid support caps

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 or lowers the seat through 100 mm between 430 and 530 mm
Recline and lock	Synchro mechanism provides back travel to 115 degrees with multi-position lock and upright lock-off
Tension adjustment	Rear rotary knob adjusts recline resistance for user body weight
Swivel mobility	360-degree swivel seat mounted on five dual casters for workstation movement

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Packed gross weight	19 kg
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.

Office workstation use	Suitable for open-plan desks, private offices and home offices needing 8-hour swivel task seating
Procurement configuration	Use in batches of 10 or more for workstation projects, with gray mesh selected for neutral interiors

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 office seating dimensions	Use dimensional and safety-clearance criteria for fixed office work chairs
EN 1335-2 office seating safety	Applicable standards and test results require confirmation
EN 1335-3 office seating test methods	Use specified static, fatigue and impact test methods for seat, back, arms and base
EN 1021-1 and EN 1021-2 upholstery flammability	Assess cigarette and match ignition resistance of seat fabric and foam

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 office chairs	Use clause-specific static, dynamic, fatigue, stability and dimensional tests for commercial task seating
BIFMA X5.1 caster and base load checks	Verify caster cycling, five-star base load and leg-failure requirements

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3 furniture mechanical testing	Apply seat and back strength/durability test methods to the chair frame during acceptance
GB/T 10357.2 furniture caster testing	Verify caster durability and rolling behavior where casters are supplied
GB 17927 upholstered furniture safety	Use for delayed ignition and cigarette ignition assessment if fabric and foam are upholstered components

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3 furniture mechanical testing: Apply seat and back strength/durability test methods to the chair frame during acceptance;
2. GB/T 10357.2 furniture caster testing: Verify caster durability and rolling behavior where casters are supplied;
3. GB 17927 upholstered furniture safety: Use for delayed ignition and cigarette ignition assessment if fabric and foam are upholstered components;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Mid-Back Gray Mesh Ergonomic Task Chair, model MB-GMESH-ALU-01, is an unbranded ergonomic office chair designed for daily workstation seating. Its gray engineered mesh back is tensioned within a matching gray molded frame, creating a structured, breathable visual profile with an integrated lumbar curve. The gray woven fabric seat and black polyurethane arm pads provide a neutral contrast that fits understated commercial and residential interiors, while the polished aluminum five-star base gives the chair a refined support structure. The backrest uses gray horizontal-weave engineered mesh supported by a glass-fiber-reinforced nylon outer frame. Its 240 mm lumbar support zone is shaped into the frame, and the backrest padding thickness is 70 mm. The seat combines gray woven upholstery with a contoured high-resilience cushion. The cushion features a 90 mm finished thickness and an 80 mm molded foam core specified at 45 kg/m3 density with a 40 percent rebound target. A 12 mm molded plywood or engineered composite board supports the seat from below. Black polyurethane soft pads mount on rigid arm support caps, and the clear width between armrests is 540 mm. Painted steel and aluminum form the support structure, with black nylon twin casters fitted to the polished aluminum base. Functionally, the chair is built for active desk use. A pneumatic lever adjusts seat height through 100 mm, from 430 to 530 mm, allowing alignment with varied desk and user setups. The synchro mechanism enables back travel to 115 degrees, with multi-position locking and an upright lock-off option. A rear rotary knob controls recline resistance according to user body weight. The 360-degree swivel seat and five dual casters support movement around a workstation. The listed recommended user weight capacity is 136 kg, and product targets include caster rolling durability of 100000 cycles, gas-lift static axial load of 102 kgf at 100000 cycles, seat static load acceptance of 1020 kg, backrest cyclic force of 68 kg for 120000 cycles, and arm downward static load of 68 kg per arm. This model is suited to open-plan office desks, private offices, and home offices requiring 8-hour swivel task seating. Its gray mesh finish works well in neutral interiors and coordinated workstation projects. For procurement, the product is supplied as one set across two cartons, with reference assembly time of 40 minutes per set. Buyers planning large fit-outs can specify it in batches of 10 or more, while logistics planning should account for a net chair weight of 16.5 kg, packed gross weight of 19 kg, packaged gross weight of 23 kg per set, and carton dimensions of 850 by 420 by 720 mm.

Mid-Back Gray Mesh Ergonomic Task Chair Specifications

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