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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)	640 × 650 × 1020 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	130 kg
Net weight	15 kg
Seat foam thickness	80 mm
Seat foam density	40 kg/m3
Seat foam rebound	40%
Back mesh tension rating	130 kg
Gas lift stroke	100 mm
Swivel rotation	360 degrees
Back tilt angle	15 degrees
Warranty period	3 years

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	Black woven polyester mesh panel in a rigid polymer frame, ventilated and visually flexible
Back frame	Black molded polymer outer frame with central vertical spine and lower side supports
Seat cushion	Molded polyurethane foam pad, 80 mm thick, covered in black woven fabric
Seat shell	Molded plywood or polymer load-bearing seat shell beneath the upholstered cushion
Armrests	Black fixed T-shaped polymer arm pads on steel-reinforced polymer supports
Central gas lift	Black or dark-finish steel telescopic gas cylinder, 50 mm outer diameter
Tilting mechanism	Black steel seat plate with tilt tension and single-lock lever position
Five-star base	Black molded nylon five-star base with radial legs and caster sockets
Casters	Black polyurethane twin-wheel casters with steel or polymer swivel stems
Frame fasteners	Zinc-plated or blackened steel bolts, brackets, and mechanism hardware
Seat fabric	Black abrasion-resistant woven textile, 1.2 mm face thickness and 50,000-cycle Martindale acceptance target
Seam construction	Stitched seat cover seams with 8 stitches per 100 mm acceptance target

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 adjustment through a 100 mm lift stroke using a side lever
360-degree swivel	Central bearing allows full 360-degree seat and back rotation without repositioning the base
Back recline	Synchronized or conventional tilt movement with a 15-degree rearward travel target
Tilt tension control	Under-seat rotary tension knob adjusts resistance for users up to 130 kg
Upright tilt lock	Single-position lock secures the backrest in the upright working angle
Fixed arm support	Stationary T-shaped armrests provide forearm support at 240 mm above the seat
Mobility	Five 50 mm twin-wheel casters enable rolling and swivel movement on hard floors or low-pile carpet
Lumbar zone	Central lower back spine and two mesh panels provide passive lumbar-region support
Ventilated back support	Framed mesh distributes back pressure and permits airflow across upper and lower panels
Assembly configuration	Seat, back, arm supports, gas lift, base, and five casters assemble into one knockdown unit
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.

Inner protection	5-layer corrugated carton with foam edge caps and polybag, 1 component set
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 workstations	Fits 760 mm high desks and daily computer tasks for staff seating up to 130 kg
Private office desks	Suitable for managers or specialists needing swivel access, ventilated back support, and compact armrests
Home office use	Appropriate for a study or home workstation with a 640 mm footprint and carpet-safe rolling design
Meeting or training rooms	Usable at shared computer desks or conference workpoints where fixed arms and easy movement are acceptable
Hot-desking areas	360-degree swivel and casters support quick reorientation between monitor, paperwork, and adjacent storage
Commercial procurement standardization	Suitable for bulk projects requiring a 500 mm seat, mesh back, 130 kg user target, and 3-year acceptance term
Hard-floor or low-pile environments	50 mm polyurethane twin wheels are intended for tile, wood, laminate, or low-pile carpet
Recommended Matching Desk Size	2.4 m executive desk

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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Product Description

The Black Mesh Ergonomic Swivel Task Chair, model MB-TASK-550-BLK, presents a practical office seating solution with a streamlined black appearance. Its ventilated black woven polyester mesh back is set in a molded polymer frame featuring a central vertical spine and lower side supports, while the black upholstered padded seat offers a uniform, task-oriented look. Fixed T-shaped armrests, a five-star nylon base, and twin-wheel casters complete the compact, functional silhouette. With overall dimensions of 640 x 650 x 1020 mm and 540 mm between the armrests, the chair is suited to conventional desk layouts without a broad visual footprint. Construction combines molded support components with steel working parts. The seat uses an 80 mm molded polyurethane foam cushion with 40 kg/m3 foam density and 40% rebound, covered in black woven fabric and supported by a molded plywood or polymer load-bearing shell. The finished cushion thickness is 90 mm. The backrest includes a 70 mm padded specification and a 240 mm lumbar support zone. A dark-finish steel telescopic gas cylinder, steel seat plate, steel-reinforced armrest supports, molded nylon base, and polyurethane casters provide the primary structural and movement elements. Everyday operation is centered on straightforward manual controls. A side lever provides pneumatic seat-height adjustment through a 100 mm lift stroke, and the central bearing allows 360-degree swivel without moving the base. The tilt mechanism offers rearward recline with a 15-degree travel target, an under-seat rotary tension control for users up to 130 kg, and a single-position lock that secures the backrest in the upright working angle. Fixed armrests support the forearms 240 mm above the seat, while five 50 mm twin-wheel casters allow rolling and turning on hard floors or low-pile carpet. The chair fits open-plan workstations, private offices, home studies, meeting or training rooms, and hot-desking areas where swivel access, ventilated back support, and easy reorientation are priorities. It is appropriate for daily computer work at standard-height desks and shared conference workpoints, provided fixed arms are acceptable. For procurement, buyers should note the unbranded supply format, 130 kg recommended user weight capacity, 15 kg net weight, and packaged weight of 23 kg per set. Each set ships in two cartons with protective packaging, and reference assembly time is 40 minutes per set. The model is also suitable for standardized bulk projects using a mesh-back task chair with a 500 mm seat specification and a 3-year acceptance term.

Black Mesh Ergonomic Swivel Task Chair Specifications

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