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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)	680 × 660 × 1140 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 body weight	136 kg
Static seat proof-load target	680 kg
Backrest cyclic test target	120,000 cycles
Gas lift cycles	100,000 cycles
Caster rolling durability target	100,000 cycles
Seat foam density	45 kg/m3 molded polyurethane
Seat foam rebound	40%
Back mesh tensile support	Rated to 160 kg user load
Recommended user height range	160 to 190 cm
Single chair net weight	17.5 kg

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 suspension	Black flexible engineered mesh woven over a rigid framed back, with visible horizontal yarns and contoured lumbar zone
Back frame	Black molded polymer outer frame with integrated side flex zones and lower seat cradle
Seat cushion	70 mm polyurethane foam pad upholstered in black woven fabric with rounded waterfall front
Arm pads	Black molded polyurethane or polymer contact pads mounted on vertical posts and L-shaped supports
Arm support structure	Black rigid polymer or die-cast support arms with vertical posts and horizontal pad carriers
Base and lift	Black five-star caster base with central 50 mm telescoping gas lift and twin-wheel casters

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat-height adjustment	Pneumatic right-side lever provides 100 mm travel from 440 to 540 mm seat height
Synchro recline	Backrest and seat move in a coordinated recline through 18 degrees with tension adjustment knob
Recline lock	Multi-position lock secures the back at 4 selected working postures
Armrest adjustment	Height-adjustable arms provide 80 mm vertical travel and rotate 15 degrees inward for close desk work

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Carton dimensions	850 x 650 x 360 mm
Gross weight	20.5 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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Office workstation use	Suited to individual focused work at desks 700 to 760 mm high because the adjustable seat and arms support 440 to 540 mm desk-entry heights
Meeting and shared desk areas	Appropriate for hot-desks, meeting rooms and admin areas needing swivel mobility, breathable mesh and a 136 kg user target

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

No standards data is available for this market.

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

North America procurement and testing reference	Recommended references: ANSI/BIFMA X5.1

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

No standards data is available for this market.

Standardized tender description text

This product must meet the following technical requirements:
1. Technical standards and test reports must be supplied during tender or purchase confirmation;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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English title, specifications, materials, standards and purchasing fields.

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Product Description

The Black Mesh Ergonomic Task Chair with Height Adjustable Arms is a high-back office seating solution designed for focused desk work, shared workspaces, and extended daily use. Model ETM-HB-ADARM-BLK from an unbranded range, it presents a professional all-black appearance with a flexible engineered mesh back, upholstered fabric seat, molded polymer frame and arm components, and a five-star caster base. Its visual form is defined by the black woven mesh suspension, where visible horizontal yarns run across a rigid contoured back frame. The back is shaped around a 240 mm lumbar support zone, while the outer molded polymer frame includes integrated side flex zones and a lower seat cradle. The seat uses black woven fabric over rounded cushioning with a waterfall front, complemented by black arm pads and a five-star base for a coordinated look suitable for modern offices. Construction balances breathable support and cushioned comfort. The backrest combines flexible engineered mesh with a molded polymer frame. The seat is upholstered in fabric and built with molded polyurethane foam at 45 kg/m3 density and 40% rebound. Finished cushion thickness is 90 mm, while backrest padding thickness is 70 mm. Arm contact pads are molded polyurethane or polymer, mounted on vertical posts and L-shaped supports. The chair is fitted with a painted steel or nylon five-star base, twin-wheel casters, and a central 50 mm telescoping gas lift. Functional controls support individualized sitting positions. A right-side pneumatic lever gives 100 mm of seat-height travel, from 440 to 540 mm. The synchro mechanism coordinates movement of the seat and back through an 18-degree recline, with a tension adjustment knob and a multi-position lock that secures the back in four selected working postures. Height-adjustable arms provide 80 mm of vertical travel and rotate 15 degrees inward for close desk tasks. The clear width between armrests is 540 mm. The chair is suited to individual workstations with desks 700 to 760 mm high, as the adjustable seat and arms support desk-entry heights from 440 to 540 mm. It is also appropriate for hot-desks, meeting rooms, and administrative areas where swivel mobility and a breathable back are beneficial. The recommended user body weight is 136 kg. Product validation targets include a 680 kg static seat proof load, 120,000 backrest cycles, 100,000 gas-lift cycles, and 100,000 caster rolling cycles. For procurement and delivery planning, the chair is supplied as one set across two cartons. Reference packaging dimensions are 850 by 420 by 720 mm, with a packaged gross weight of 23 kg per set. Reference assembly time is 40 minutes per set, allowing purchasers to account for straightforward on-site setup in office fit-outs or fleet replacement programs.

Black Mesh Ergonomic Task Chair with Height Adjustable Arms Specifications

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