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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 × 1050 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	15 kg
Static base proof-load target	1134 kg
Caster rolling durability target	100000 cycles
Gas-lift vertical durability target	100000 cycles
Seat cyclic durability target	100000 load cycles
Back-rest cyclic force target	120000 cycles
Recommended user height range	1850 mm
Seating capacity	1 person
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 support surface	Black woven elastic mesh over a framed mid-back panel
Back frame	Injection-molded black polymer outer frame with rounded upper edge
Seat support surface	Black flexible mesh or mesh-over-flexible seat plate
Seat cushion support	Molded polymer seat pan attached to steel tilt mechanism
Arm pads	Black padded polyurethane or PVC pads on rigid arm supports
Arm supports	Black rigid polymer or powder-coated metal vertical posts and horizontal brackets
Central gas lift	Black-coated steel telescoping gas lift with 50 mm visible column diameter
Tilt mechanism	Black steel plate mechanism with side operating lever and tension housing
Five-star base	Black glass-fiber-reinforced nylon five-star base with curved spokes
Caster wheels	Black nylon twin-wheel swivel casters with 60 mm wheel diameter
Fasteners and brackets	Black steel or zinc-plated steel bolts, brackets, and pivot hardware
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Swivel function	360-degree full swivel around the gas-lift center
Seat height adjustment	Pneumatic lift with 100 mm total travel and 530 mm maximum seat height
Recline movement	Center-tilt action with 15-degree maximum rearward angle
Tilt lock	Single-lever tilt lock with 1 upright lock position and free-recline mode
Tilt tension control	Rotary tension knob providing adjustable resistance for users up to 136 kg
Arm support	Padded fixed-height armrests with horizontal forearm pads and black support posts
Mobility	Five twin-wheel casters enabling 360-degree rolling and swivel movement
Back posture support	Framed mid-back mesh panel providing shoulder-to-lumbar contact and airflow
Seat suspension	Flexible mesh seat platform distributing body pressure across the seat pan
Floor adaptation	60 mm twin-wheel casters suitable for hard floors and low-pile carpets
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg

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
Indicative 40HQ Loading	320 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.

Open-plan workstation	Suited to daily computer work where swivel, mobility, and breathable back support are required
Private office desk	Fits executive or staff desks with 760 mm work-surface height and 530 mm maximum seat height
Home office	Suitable for compact study rooms because the 650 mm footprint needs limited floor space
Shared hot-desking area	Five-caster mobility and 360-degree swivel support frequent repositioning between users
Meeting or training room	Usable for short-to-medium meetings where a mid-back rolling chair is specified
Hard-floor workspace	Twin-wheel 60 mm casters are suitable for tile, wood, laminate, and low-pile carpet floors
User fit target	Recommended for users 1850 mm tall and up to 136 kg
Recommended Matching Desk Size	2.4 m executive desk

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 office furniture seating dimensions	Use for office-chair dimensional safety and ergonomic fit checks
EN 1335-2 office seating safety requirements	Use for structural safety, stability, and caster-related verification
EN 1335-3 office seating test methods	Use for strength, durability, and stability test procedures
EN 1021-1 cigarette ignition resistance	Use if upholstered arm pads or seat materials require European smolder-ignition testing

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 back-rest durability	Use 120000 cycles as the suggested verification target for the reclining back

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3 furniture mechanical test	Apply seat and back strength/durability clauses for metal and polymer office seating
GB/T 3324 general technical furniture requirement	Use for dimensional stability, finish, assembly, and workmanship inspection
GB/T 26701 caster suitability	Use for swivel-chair caster load, rolling, and braking checks where applicable
GB 17927 upholstered furniture safety	Use for fire-safety, filling material, and labeling requirements if domestic sale includes soft components

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3 furniture mechanical test: Apply seat and back strength/durability clauses for metal and polymer office seating;
2. GB/T 3324 general technical furniture requirement: Use for dimensional stability, finish, assembly, and workmanship inspection;
3. GB/T 26701 caster suitability: Use for swivel-chair caster load, rolling, and braking checks where applicable;
4. GB 17927 upholstered furniture safety: Use for fire-safety, filling material, and labeling requirements if domestic sale includes soft components;
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 Arms presents a clean, functional office silhouette finished in black. Its mid-height back combines woven elastic mesh with a rounded black polymer outer frame, while the seat uses flexible mesh or mesh over a flexible support plate within a molded polymer seat pan. Padded arm pads sit on black rigid supports, and the curved five-star base with twin casters gives the chair a mobile, professional profile suited to organized workstation layouts. The clear width between armrests is 540 mm, the seat cushion is 90 mm thick, and the backrest padding is 70 mm thick. A 240 mm lumbar support zone reinforces the chair’s task-oriented form. Construction balances breathable support with robust working components. The backrest support surface is black woven elastic mesh over a framed mid-back panel. Under the seat, a molded polymer shell attaches to a black steel tilt mechanism. A black-coated steel telescoping gas lift, with a 50 mm visible column diameter, connects the seat to the glass-fiber-reinforced nylon five-star base. Arm pads are padded polyurethane or PVC on rigid polymer or powder-coated metal posts and brackets. Nylon twin-wheel casters complete the structure. Designed for daily desk use, the chair rotates 360 degrees around the gas-lift center and moves on five casters that allow rolling and swiveling. Pneumatic seat-height adjustment provides 100 mm of travel, with a maximum seat height of 530 mm. The center-tilt mechanism offers a 15-degree maximum rearward angle, a single lever for upright lock or free-recline mode, and a rotary tension knob adjustable for users up to 136 kg. The armrests are fixed-height padded supports with horizontal forearm pads. This unbranded model, OC-MESH-ARMBLK-01, fits open-plan workstations, private offices, home studies, hot-desking zones, and meeting or training rooms. It is appropriate for desks with a 760 mm work-surface height and for compact rooms based on its 650 mm footprint. The 60 mm twin-wheel casters are suitable for tile, wood, laminate, and low-pile carpet floors. For procurement, the recommended user weight capacity is 136 kg, net weight is 15 kg, and packaged gross weight is 23 kg per set. Each set ships in two cartons with reference dimensions of 850 by 420 by 720 mm, volume of 0.26 cubic meters, and assembly time of 40 minutes. A 20GP container can load 135 sets at 85 percent space utilization. Durability targets include 1134 kg static base proof load, 100000 caster rolling cycles, 100000 gas-lift cycles, 100000 seat load cycles, and 120000 back-rest force cycles.

Black Mesh Ergonomic Task Chair with Adjustable Arms Specifications

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