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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 × 700 × 1210 mm
Seat width	590 mm
Seat depth	480 mm
Seat height from floor	520 mm
5-star base diameter	700 mm
Caster diameter	50 mm
Backrest total height	520 mm
Headrest dimensions	300 x 150 mm
Armrest height above seat	240 mm
Armrest outer spacing	640 mm
Seat cushion thickness	80 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 static load capacity	250 kg
Net weight reference	19 kg
Caster rolling durability	100000 cycles
Gas lift cycle durability	300000 cycles
Tilt mechanism cycle durability	300000 cycles
Seat foam density	45 kg/m³
Seat foam rebound rate	60%
Upholstery abrasion resistance	50000 cycles
Seam stitch pitch	8 mm
Recommended maximum static user load	150 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.

Upholstery fabric	300g/m² light grey polyester woven fabric
Seat cushion core	80mm thick high-density molded polyurethane foam
Backrest pads	Contoured molded foam with fabric wrap, split double upper panels plus separate lumbar pad
Structural frame	White fiberglass-reinforced polypropylene back and seat shell
5-star base	700mm diameter glass-filled nylon white finished base
Casters	50mm diameter black PU soft tread casters with silver accent rings
Gas lift	Steel Class 3 pneumatic gas lift with black plastic trim ring
Tilt mechanism	2mm thick steel explosion-proof tray plate with tension adjustment
Armrests	Fixed padded armrests with white PP support structure and grey fabric padded top
Headrest	Curved molded foam pad with fabric wrap, mounted on white height-adjustable support post
Upper back pads	60mm thick contoured molded foam with fabric wrap, split dual floating panels
Lumbar support pad	50mm thick dedicated curved molded foam pad with fabric wrap

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustment	Pneumatic gas lift provides 100mm seat height travel via side lever
Swivel function	360-degree full rotation around central gas lift axis
Backrest recline	Tilt mechanism allows 45-degree recline from upright to 135-degree locked position
Tilt tension adjustment	Knob under seat adjusts recline resistance to match user weight
Headrest adjustment	Height-adjustable curved headrest supports neck posture during recline
Lumbar support	Dedicated separate lower back pad provides targeted mid-lumbar pressure relief
Mobility	Dual-wheel casters roll smoothly on hard floors and low-pile carpet
Back support design	Split double floating upper back panels flex to match natural spine curvature
360-degree swivel	Full 360-degree rotation around central gas lift axis for multi-directional access
Targeted lumbar support	Dedicated separate lower back pad delivers consistent mid-lumbar pressure relief
Smooth mobility	Soft PU dual-wheel casters roll without marking on hard floors and low-pile carpet
Waterfall seat edge	Contoured front seat edge reduces thigh pressure during long seated sessions

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Packaging note	Knocked-down assembly required, hardware pack included
Carton count	1 unit per single heavy-duty corrugated carton
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.

Home office workspace	Suits long-hour desk work at standard 760 mm height office desks
Corporate open plan office	Appropriate for individual workstations with casual modern aesthetic
Co-working shared space	Swivel and mobility features support flexible multi-user work environments
Student study desk setup	Ergonomic segmented back support reduces fatigue during long study sessions
Conference meeting room	Neutral grey/white color scheme coordinates with modern conference furniture
Small meeting room	360-degree swivel and compact footprint support easy interaction during meetings
Executive private office	Dual-panel back and lumbar support provide premium comfort for senior staff
Recommended Matching Desk Size	2.4 m executive desk

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020	Applies to office chair dimensional, safety and strength performance requirements
EN 1335-2:2020	Applies to office chair mechanical safety test methods for structural components
EN 1022:2018	Applies to office chair stability testing for all intended use positions

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applies to general-purpose office chair performance and durability test requirements

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applies to office chair dimensional accuracy and stability measurement requirements
GB/T 10357.3-2013	Applies to office chair seat and backrest strength and durability test methods
GB 28007-2011	Applies to office chair caster strength and rolling durability requirements
GB/T 39223-2020	Covers ergonomic performance evaluation requirements for office seating

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applies to office chair dimensional accuracy and stability measurement requirements;
2. GB/T 10357.3-2013: Applies to office chair seat and backrest strength and durability test methods;
3. GB 28007-2011: Applies to office chair caster strength and rolling durability requirements;
4. GB/T 39223-2020: Covers ergonomic performance evaluation requirements for office seating;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Light Grey Fabric Ergonomic Office Chair with Split Back Support, model ERG-OFF-LG-SB-001, delivers a clean, contemporary aesthetic anchored by a neutral light grey and white color palette suited to coordinated modern interiors. Its visual profile balances soft upholstered surfaces with crisp structural lines, featuring a split back design with two contoured upper back panels and a separate dedicated lumbar pad, paired with a curved, height-adjustable headrest, fixed padded armrests, and a wide-stance 5-star base for balanced visual weight. Durable, purpose-selected materials form its core construction: the chair uses 300g/m² light grey polyester woven fabric upholstery over high-density molded foam, with an 80mm thick 45 kg/m³ polyurethane seat cushion offering 60% rebound for consistent support. Structural elements include a white fiberglass-reinforced polypropylene seat and back shell, glass-filled nylon 5-star base, black PU soft-tread casters with silver accent rings, Class 3 steel pneumatic gas lift, and 2mm thick steel explosion-proof tilt tray, engineered for long-term regular use. Practical ergonomic functions support extended seated comfort: a side lever operates the pneumatic height adjustment for 100mm of seat travel, while full 360-degree swivel enables easy access to surrounding work areas. The tilt mechanism supports up to 45-degree recline to a locked 135-degree position, with an under-seat knob to adjust tension for individual user weight. The separate lumbar pad delivers targeted mid-lower back pressure relief, while dual-wheel casters roll smoothly across hard floors and low-pile carpet. The chair fits a broad range of work and study settings, including home office workspaces paired with standard 760mm height office desks, corporate open plan workstations, co-working shared spaces, student study setups, and small to mid-sized conference rooms, where its neutral finish coordinates seamlessly with existing modern furnishings. When procuring this unbranded model, note that knocked-down assembly is required with included hardware, with an 40 minutes of assembly time per unit. Each set is packaged across two heavy-duty corrugated cartons, supports a maximum recommended static load of 250kg, and carries tested durability ratings of 100,000 caster rolling cycles, 300,000 gas lift cycles, and 300,000 tilt mechanism cycles for long-term operational reliability.

Light Grey Fabric Ergonomic Office Chair with Split Back Support Specifications

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