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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)	620 × 620 × 1010 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	120 kg
Chair net weight	13.5 kg
Foam density	45 kg/m3
Foam rebound rating	40%
Back support zones	2 zones
Recommended daily use duration	8 hours
Seating capacity	1 person
Caster rolling durability target	100000 cycles
Base static-load target	1136 kg
Warranty target	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.

Seat upholstery	Black woven fabric or leather-look upholstery over padded cushion
Backrest upholstery	Black padded upholstered panel with horizontal seam detail
Seat foam	Molded polyurethane foam, 80 mm thick at cushion face
Back foam	Shaped polyurethane padding, 70 mm thick at center
Inner seat support	12 mm molded plywood or steel seat pan under cushion
Back frame	20 mm tubular steel or rigid molded back support
Armrests	Black fixed loop supports with padded or capped top surface
Gas lift	Black steel telescopic gas cylinder, 50 mm outer diameter
Tilt mechanism	Black steel tilt plate beneath the seat with side tension lever
Five-star base	Black five-star metal or glass-filled nylon base
Casters	Black twin-wheel swivel casters, five pieces
Fasteners and brackets	Black powder-coated steel brackets and socket fasteners

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Swivel movement	360-degree seat rotation around the central gas lift
Height adjustment	Pneumatic seat-height lift with 70 mm travel and lever actuation
Tilt function	Back-and-seat synchro tilt through 15 degrees with side tension control
Tilt lock	Lockable upright position plus free-tilt mode
Back support	Fixed mid-back support shaped for lumbar and lower thoracic contact
Arm support	Fixed loop armrests providing forearm support at 230 mm above the seat
Mobility	Five twin-wheel casters provide omnidirectional movement on hard floors or low-pile carpet
Base stability	Five-star radial base distributes load with a 620 mm footprint
Recline limitation	15-degree maximum rearward tilt target to preserve caster stability
Caster brake	Non-braking twin-wheel casters for standard office movement
Assembly method	Tool-assisted knockdown assembly of base, casters, arms, and seat-back unit
Recline Angle / Lock Reference	125° with 3suggested lock positions

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Carton dimensions	650 x 620 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.

Open-plan workstation	Suitable for individual desk work where compact 620 mm footprint and swivel access save space
Manager or executive workstation	Formal black upholstery and mid-back profile fit desk-based computer and document work
Meeting room	Suitable for conference seating requiring mobility, moderate support, and uniform black appearance
Home office	Fits standard 760 mm desk heights with a 520 mm seat-height target
Reception or administrative counter back office	Useful for staff tasks requiring frequent turning and short-distance movement
Hot-desking area	Single-user chair can be shared across shifts with durable black upholstery target
Hard-floor private office	Specify soft-wheel caster option for wood, tile, or resilient flooring
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 dimensions	Use to verify seat-height range, seat depth, back dimensions, and clearances
EN 1335-2 safety requirements	Use structural safety, stability, and caster requirements as acceptance criteria
EN 1335-3 test methods	Use specified test methods for strength, durability, and stability verification
EN 1021-1 cigarette ignition	Use upholstery ignitability testing where fire performance is contractually required
EN 1021-2 match-flame ignition	Use upholstery fire-testing requirement for higher-risk commercial interiors

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 office chairs general purpose	Use back, seat, base, arm, caster, stability, and durability tests for commercial-grade acceptance

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 office seating procurement verification
GB/T 27927 ergonomic office chair guideline	Use for ergonomic dimensional review of seat, back, arm, and adjustment features

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 office seating procurement verification;
2. GB/T 27927 ergonomic office chair guideline: Use for ergonomic dimensional review of seat, back, arm, and adjustment features;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Black Upholstered Mid-Back Swivel Task Chair is an unbranded office task chair, model UTC-MB-BLK-01, designed for straightforward desk use in both commercial and residential settings. Its all-black appearance gives it a formal, uniform look that integrates readily with conventional workstations, conference rooms, and home office furniture. The chair presents a compact square footprint with a mid-height upholstered back, fixed loop armrests, and a five-star caster base. Horizontal seam detailing on the padded back panel adds a structured visual element without making the design overly prominent. The seat and back are upholstered in black woven fabric or a leather-look black material over polyurethane padding. The molded seat cushion uses 45 kg/m3 foam with a 40% rebound rating, a 90 mm finished cushion thickness, and an 80 mm cushion-face foam thickness. The shaped back padding is 70 mm thick at the center, with a 240 mm high lumbar support zone and two back support zones intended for lumbar and lower thoracic contact. Underneath, the seat is supported by a molded plywood or steel seat pan, while the back uses tubular steel or a rigid molded support. Fixed black loop armrests provide a padded or capped forearm surface, with 540 mm of clear width between them. Functional components are centered on a black steel telescopic gas cylinder and steel tilt plate beneath the seat. The chair swivels 360 degrees, adjusts in height through 70 mm of pneumatic travel, and offers synchronized seat-and-back tilt through 15 degrees. A side tension lever controls tilt resistance, and the mechanism can be locked upright or set to free-tilt mode. The five-star base is available in nylon or steel and is fitted with five twin-wheel casters for omnidirectional movement on hard floors or low-pile carpet. The chair is rated for a single user, a recommended weight capacity of 120 kg, and daily use up to 8 hours. At 620 x 620 x 1010 mm overall and 13.5 kg net weight, the chair suits open-plan desks where turning access and space efficiency are useful. It is also appropriate for manager or executive workstations, meeting rooms, reception and administrative back offices, hot-desks shared across shifts, and home offices used with standard desk heights. Buyers should confirm upholstery preference, base material, armrest cap type, floor surface compatibility, and assembly planning. The product is supplied as one set in two cartons with a packaged gross weight of 23 kg and a reference assembly time of 40 minutes per set.

Black Upholstered Mid-Back Swivel Task Chair Specifications

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