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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)	690 × 660 × 1310 mm
Seat height adjustment range	520 mm
Seat width	500 mm
Seat depth	480 mm
Backrest height	780 mm
Headrest dimensions	380 x 220 mm
5-star base diameter	700 mm
Caster diameter	60 mm
Retractable footrest extension length	460 mm
Armrest height adjustment range	70 mm
Lumbar support adjustment height	50 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	19.5 kg
Maximum recommended user weight	150 kg
5-star base static load capacity	1136 kg
Seat durability cycles	100000 cycles
Mesh upholstery abrasion resistance	30000 Martindale rubs
Seat foam density	55 kg/m³
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³
Upholstery Thickness / Abrasion Reference	1.4 mm / 50000 cycles
Five-star Base Static Load Reference	Acceptance target ≥120 kg; chair reference 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.

Backrest upholstery	High-elastic breathable polyester mesh
Seat padding	55kg/m³ high-density molded foam
Structural frame	Glass-fiber reinforced light gray nylon/PP
5-star base	Matte light gray reinforced nylon
Armrest pads	Soft TPU padded contact surface
Gas lift cylinder	Class 4 100mm stroke powder-coated steel
Casters	Dual-wheel PU soft tread with nylon hub
Footrest surface	Textured non-slip TPE padding
Tilt mechanism	3mm thick cold-rolled steel plate
Seam stitch pitch	8 stitches per inch
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	100mm vertical travel via Class 4 gas lift, lever-operated
Backrest recline	135-degree max tilt with 3-position lock
Synchro tilt mechanism	1:2.3 seat-to-back tilt ratio with adjustable tension
4D armrest adjustment	Height, width, depth and pivot angle adjustable
Headrest adjustment	60mm height travel and 30-degree angle rotation
Lumbar support adjustment	50mm vertical travel to align with lower back curve
Retractable footrest	Slide-out extension with 10-degree tilt, stows under seat
360-degree swivel	Full rotation enabled by central gas lift and base bearing
Smooth rolling	Dual-wheel casters suitable for hard floors and low-pile carpet
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.

Carton dimensions	785 x 640 x 660 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.

Corporate open office workstations	Adjustable support suits long-hour seated work for employees
Home office and remote work setups	Recline and footrest support extended work and rest periods
Executive private offices	Premium light gray aesthetic matches modern professional interiors
Co-working and shared workspaces	360 swivel and rolling design enables flexible repositioning
Height-adjustable standing desk setups	Gas lift adjustment aligns with 1200 mm desk height ranges
Recommended Matching Desk Size	2.4 m executive desk
Reference Daily Use Duration	8 hours/day; confirm by ergonomic testing

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

Office chair safety requirements	EN 1335:2020
Office chair stability testing	EN 1022:2018
Castor and wheel performance	EN 12529:1998

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair general purpose standard	ANSI/BIFMA X2017
Gas lift cylinder performance	ANSI/BIFMA X5.1 Clause 8
Caster durability testing	ANSI/BIFMA X5.1 Clause 12
Caster rolling durability	100000 cycles

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair mechanical safety	GB/T 10357.3
Upholstery fabric performance	GB/T 21655.1
Furniture formaldehyde emission	GB 18584

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair mechanical safety: GB/T 10357.3;
2. Upholstery fabric performance: GB/T 21655.1;
3. Furniture formaldehyde emission: GB 18584;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Light Gray High-Back Ergonomic Mesh Office Chair with Retractable Footrest, model ERG-MESH-FR-690GR, is an unbranded ergonomic seating solution designed for versatile professional and personal workspaces. Visually, it features a streamlined light gray finish across its frame and base, paired with a breathable mesh backrest that creates an open, modern silhouette aligned with contemporary interior design schemes. The high-back structure integrates a contoured headrest, adjustable lumbar support, padded armrests, and a discreetly stowed retractable footrest, maintaining a clean profile when the footrest is not in use while delivering full-body support when deployed. Built for durable long-term use, the chair utilizes a glass-fiber reinforced light gray nylon/PP structural frame, paired with a high-elastic breathable polyester mesh backrest to promote airflow during extended seated sessions. The seat is constructed with high-density molded foam, topped with soft TPU armrest pads, and supported by a matte light gray reinforced nylon 5-star base fitted with dual-wheel PU soft-tread casters with nylon hubs. Core mechanical components include a Class 4 powder-coated steel gas lift cylinder, a 3mm thick cold-rolled steel plate tilt mechanism, and a textured non-slip TPE-padded retractable footrest. The frame is engineered to hold substantial static load, with mesh upholstery rated for heavy abrasion resistance and seat foam engineered for consistent rebound and shape retention across repeated use. Functional design prioritizes customizable comfort for varied seated needs: the seat offers 100mm of lever-operated vertical height adjustment, while the backrest supports a maximum 135-degree recline with three lock positions, paired with a synchro tilt mechanism that maintains a 1:2.3 seat-to-back tilt ratio with user-adjustable tension. Users can fine-tune positioning with 4D adjustable armrests that shift in height, width, depth, and pivot angle, a headrest with 60mm height travel and 30-degree rotation, and lumbar support with 50mm vertical travel to align with the natural lower back curve. The slide-out footrest tilts 10 degrees for relaxed reclining, and stows flush under the seat when not in use. The chair supports 360-degree swivel and smooth rolling movement across floor surfaces. This chair is well suited for corporate open office workstations where long-hour seated work requires consistent adjustable support, home office and remote work setups where the recline and footrest accommodate both focused work and short rest breaks, executive private offices where its refined light gray aesthetic complements modern professional interiors, and co-working or shared workspaces where its swivel and rolling function enables flexible repositioning. It also pairs effectively with height-adjustable standing desks, aligning with elevated desk height configurations, and is recommended for use with a 2.4m executive desk. For procurement, note that each unit ships in 2 cartons with a total packaged gross weight of 23kg per set, and requires a reference assembly time of 40 minutes per unit. The chair supports a maximum recommended user weight of 150kg, making it accessible for a broad range of users, and its neutral color palette coordinates with a wide range of office furniture finishes to reduce interior design mismatch risks.

Light Gray High-Back Ergonomic Mesh Office Chair with Retractable Footrest Specifications

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