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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 × 1040 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.

Net weight	16 kg
Recommended user weight capacity	136 kg
Suitable user stature range	185 cm
Seat foam density	45 kg/m3
Back foam density	35 kg/m3
Foam rebound value	40%
Gas lift class	Class 4
Gas lift stroke	100 mm
Base static load rating	1134 kg
Caster rolling durability	100000 cycles

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	Gray smooth upholstery with uniform surface and sewn perimeter; material grade requires BOM confirmation
Back upholstery	Gray padded upholstered back with horizontal seam and contoured side profile; material grade requires BOM confirmation
Seat cushion core	80 mm molded polyurethane foam, 45 kg/m3 density target
Back cushion core	65 mm polyurethane foam, 35 kg/m3 density target
Inner back support	12 mm molded plywood or engineered composite panel
Seat inner support	15 mm molded plywood seat board with steel reinforcement plates
Armrest pads	Black molded polyurethane pads on rigid support brackets
Arm supports	Black glass-filled nylon or powder-coated steel uprights, 30 mm section
Mechanism housing	Black steel tilt mechanism with powder-coated finish
Gas lift	Chrome-plated steel telescopic gas lift, 50 mm outer tube, Class 4 target
Five-star base	Polished die-cast aluminum five-star base with ribbed spokes
Casters	Black twin-wheel nylon casters with steel axle and 60 mm wheel diameter

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic lift provides 100 mm travel from 440 to 540 mm using the right-side lever
360-degree swivel	Full swivel around the central gas-lift bearing for workstation access
Back tilt mechanism	Synchro-style tilt with 15-degree back recline and proportional seat movement
Tilt tension adjustment	Knob-controlled tension setting for users up to 136 kg
Fixed arm support	T-shaped fixed armrests provide 220 mm forearm support without height or width adjustment
Mobility system	Five 60 mm twin-wheel casters enable rolling on hard floors and low-pile carpet
Lumbar contact zone	Contoured mid-back creates lower-back contact at 260 mm above the seat
Floor-contact stability	Five-point aluminum base with 680 mm diameter provides 340 mm radial support
Upholstery seam construction	Horizontal back seam and seat edge seams with 8 stitches per 100 mm target
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.

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 office workstation	Suited to daily computer work with swivel access, 100 mm height travel, and rolling mobility
Private executive office	Gray upholstery and polished aluminum base fit conservative professional interiors
Meeting and conference room	Fixed arms and padded back provide consistent seating for 4 hour discussions
Home office	Compact 640 mm width and caster base fit standard desk layouts in residential workspaces
Reception or consultation area	Neutral gray appearance supports low-visibility task seating across reception color schemes
Commercial procurement specification	Class 4 lift, 136 kg user capacity, and BIFMA-style targets are suitable for bid comparison
Hard-floor and low-pile use	60 mm twin nylon wheels suit tile, wood, laminate, and low-pile carpeted floors
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	Dimensional safety reference for office task chairs, covering seating and adjustment geometry
EN 1335-2	Safety requirements reference for office work chairs, including structural stability
EN 1335-3	Test methods reference for safety and structural performance verification
EN 1022	Stability test reference for domestic and contract seating
EN 12529	Caster performance reference for office-chair castors used on furniture wheels

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1	Commercial office chair safety and performance reference for back, seat, base, arms, and tilt mechanism
BIFMA X5.1 static load	Back and seat static-load acceptance reference; supplier test report required before claiming compliance

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.2	Wearability test reference for furniture surface materials, applicable to upholstery and exposed components
GB/T 10357.3	Strength and durability test reference for chair seats, backs, and armrests
GB 28007	Children's furniture standard is not the primary target unless the chair is specified for child use
GB/T 3324	General wooden furniture technical reference where the concealed seat board is wood-based
GB 18580	Formaldehyde emission reference for any wood-based panels used in the hidden support structure

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.2: Wearability test reference for furniture surface materials, applicable to upholstery and exposed components;
2. GB/T 10357.3: Strength and durability test reference for chair seats, backs, and armrests;
3. GB 28007: Children's furniture standard is not the primary target unless the chair is specified for child use;
4. GB/T 3324: General wooden furniture technical reference where the concealed seat board is wood-based;
5. GB 18580: Formaldehyde emission reference for any wood-based panels used in the hidden support structure;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Gray Upholstered Swivel Task Chair with Fixed Arms and Polished Aluminum Base is a mid-back office seating solution with a clean, neutral appearance suited to conservative professional interiors and residential workspaces. Its gray padded seat and contoured back form a compact upright profile, while the polished aluminum five-star base gives the chair a refined visual foundation. Black armrests and a matching black mechanism provide contrast against the gray upholstery, and the twin-wheel casters complete a practical mobile task-chair layout. The chair measures 640 by 650 by 1040 mm and offers a 540 mm clear width between fixed armrests. The seat features a 90 mm finished cushion over an 80 mm molded polyurethane foam core, supported by a 15 mm molded plywood seat board with steel reinforcement plates. The padded back uses a 70 mm cushion profile over a 65 mm polyurethane core and a molded plywood or engineered composite inner panel. Upholstery material grade requires bill-of-materials confirmation, making this an important specification point for purchasers. Fixed T-shaped arms use black molded polyurethane pads on rigid brackets, with uprights in glass-filled nylon or powder-coated steel. The tilt mechanism has a black powder-coated steel housing, and the central support uses a chrome Class 4 gas lift. Functionality is centered on daily workstation use. A right-side lever controls 100 mm of pneumatic seat-height travel, from 440 to 540 mm. Full 360-degree swivel allows easy reach across a desk, and the synchro-style tilt mechanism permits 15 degrees of back recline with proportional seat movement. A knob adjusts tilt tension for users up to the stated 136 kg capacity. The fixed arms provide 220 mm of forearm support but do not adjust in height or width. Five 60 mm black twin-wheel casters support movement on hard floors and low-pile carpet, while the contoured mid-back provides a defined lower-back contact zone. This model fits open-plan workstations, private offices, meeting rooms, reception settings, and home offices. Its restrained gray finish coordinates with a broad range of desk and interior schemes, and the compact footprint works with standard desk layouts. For projects, buyers should confirm upholstery grade, armrest support material, inner back panel composition, and assembly responsibilities. Each set is supplied in two cartons, with a reference packaged gross weight of 23 kg and an assembly time of 40 minutes. The Class 4 lift, 136 kg user capacity, and BIFMA-style targets make the chair straightforward to compare in commercial tenders.

Gray Upholstered Swivel Task Chair with Fixed Arms and Polished Aluminum Base Specifications

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