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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)	670 × 650 × 1240 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	150 kg
Net weight	18 kg
Seat foam density	45 kg/m3
Back mesh tensile load	120 kg static back-load
Caster rolling durability	100,000 cycles
Gas lift cycles	100,000 height-adjustment cycles
Seat impact durability	100,000 cycles
Recommended user height range	190 cm, published value 190 cm
Suggested daily use duration	8 hours per day
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 mesh	Brown flexible woven polymer mesh stretched within a black or brown molded frame
Seat upholstery	Brown woven fabric or mesh over contoured foam cushion
Seat foam	Molded polyurethane cushion with 70 mm edge thickness and 80 mm center thickness
Seat inner support	12 mm molded plywood or glass-filled nylon seat shell
Back frame	Glass-filled nylon outer frame with integrated side bolsters
Lumbar section	Separate flexible polymer-mesh lumbar panel attached to the back supports
Arm pads	Black polyurethane or soft TPU pads on rigid support plates
Arm supports	Black powder-coated steel or glass-filled nylon height posts with side brackets
Mechanism housing	Black steel synchro-tilt plate under the seat with painted finish
Gas lift	Black steel telescopic gas lift with 50 mm outer tube
Five-star base	Black painted steel or glass-filled nylon five-star base with 2.5 mm wall-equivalent structure
Casters	Black polyurethane twin-wheel swivel casters with hard-floor treads

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Swivel	360-degree full swivel around the central gas-lift axis
Seat height adjustment	Pneumatic lift with 100 mm travel from 450 to 550 mm
Recline movement	Synchro-tilt back recline with 15-degree maximum rearward angle
Tilt lock	Three-position lock at upright, mid-recline, and full-recline positions
Tilt tension	Knob-controlled tension adjustment for users up to 150 kg
Lumbar support	Flexible two-zone lower back panel following rearward tilt
Head support	Fixed cushioned headrest pillow supporting the upper neck and head
Mobility	Five twin-wheel casters provide omnidirectional movement on hard floors and low-pile carpet
Back tilt ratio	2:1 synchro movement with 2 degrees back movement per 1 degree seat movement
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg
Rotation / Mobility Configuration	360° swivel with 5-caster multidirectional movement

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 380 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
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.

Private office workstation	Suitable for managers and knowledge workers needing lumbar support, recline, and mobility at a 760 mm desk
Open-plan office	Suited to daily 8-hour desk work where swivel, casters, and adjustable seat height support shared workstations
Home office	Fits compact study rooms with a desk footprint of 1200 x 600 mm or larger
Meeting and computer rooms	Appropriate for keyboard, video-call, and document tasks requiring upright and reclined postures
Hot-desk environments	Suitable for users 190 cm tall and up to 150 kg where basic personal height adjustment is needed
Hard-floor workspace	Recommended for tile, wood, laminate, and low-pile carpet with 60 mm polyurethane casters
Recommended Matching Desk Size	2.4 m executive desk
Reference Daily Use Duration	8 hours/day; confirm by ergonomic testing

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 office furniture seating dimensions	Use dimensional safety and ergonomic assessment for an office work chair
EN 1335-2 office chair safety requirements	Use structural safety, stability, and caster requirements for procurement inspection
EN 1335-3 office chair test methods	Use specified static, durability, and impact test methods for factory acceptance
EN 1022 domestic and seating stability	Use tipping-stability testing on level flooring with the loaded chair

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 office chairs	Use back, seat, base, arm, caster, and stability test requirements for commercial seating acceptance
BIFMA X5.1 caster test requirement	Require caster fatigue and floor-surface compatibility validation for the 60 mm twin casters

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3 furniture strength and durability	Apply seat and back strength/durability test methods for metal and polymer office chairs
GB/T 3324 general technical wooden furniture	Use only if the hidden seat shell or padded components contain wooden furniture parts
GB/T 28022 office chair swivel durability	Use swivel-chair stability, caster, gas-lift, and cyclic seating acceptance criteria

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3 furniture strength and durability: Apply seat and back strength/durability test methods for metal and polymer office chairs;
2. GB/T 3324 general technical wooden furniture: Use only if the hidden seat shell or padded components contain wooden furniture parts;
3. GB/T 28022 office chair swivel durability: Use swivel-chair stability, caster, gas-lift, and cyclic seating acceptance criteria;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Brown Mesh Ergonomic Task Chair with Headrest and Height-Adjustable Arms is an unbranded high-back office chair, model ETC-MESH-HB-BRN-01. Its warm brown mesh back creates a structured, ventilated appearance, while the black or brown molded frame and black arm pads provide visual contrast. A fixed cushioned headrest crowns the backrest, and the separate flexible polymer-mesh lumbar panel sits within a 240 mm support zone. The chair offers a 540 mm clear width between armrests, with integrated side bolsters, contoured cushioning, and a five-star base that establishes a stable, conventional task-chair footprint. Construction balances comfort and durability. The back uses brown flexible woven polymer mesh stretched in a glass-filled nylon outer frame. The seat is upholstered in brown woven fabric or mesh over molded polyurethane foam, with a 90 mm finished cushion thickness, 70 mm edge thickness, and 80 mm center thickness. Its 45 kg/m3 foam is supported by a 12 mm molded plywood or glass-filled nylon shell. Arm pads are black polyurethane or soft TPU on rigid support plates, while height posts use black powder-coated steel or glass-filled nylon. The frame may be painted steel or nylon, the gas lift is steel, and the base is nylon or steel, finished with polyurethane twin-wheel casters. A black painted steel synchro-tilt plate sits beneath the seat. Functional features support extended desk use. The chair provides 360-degree swivel, pneumatic seat-height adjustment with 100 mm travel from 450 to 550 mm, and synchro-tilt recline to a 15-degree rearward angle. Users can select upright, mid-recline, or full-recline locks, and a knob controls tilt tension for users up to 150 kg. The two-zone lumbar panel follows the reclining motion, and the headrest supports the upper neck and head. Rated performance includes 120 kg static back-load, 100,000 caster rolling cycles, 100,000 gas-lift cycles, and 100,000 seat-impact cycles. It suits private offices, open-plan workstations, home studies, meeting rooms, computer rooms, and hot-desk settings. Placement is appropriate for an eight-hour desk environment, users 190 cm tall and up to 150 kg, and desks including a 760 mm manager desk or a 1200 x 600 mm home study desk. The 60 mm polyurethane casters are intended for tile, wood, laminate, and low-pile carpet. Procurement teams should note the 18 kg net weight, 23 kg packaged gross weight, two-carton set, 0.26 cubic meter packaged volume, and 40-minute assembly time.

Brown Mesh Ergonomic Task Chair with Headrest and Height-Adjustable Arms Specifications

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