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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)	660 × 660 × 1055 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	150 kg
Net product weight	12 kg
Gas lift height adjustment stroke	100 mm
Seat foam density	45 kg/m³
Back mesh tensile strength	180 N/5cm
Chair swivel rotation range	360 degrees
Seam stitch pitch	8 mm
Caster rolling durability	40000 cycles
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³

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	Breathable blue woven polyester mesh
Backrest frame	Light grey reinforced polypropylene
Seat cushion upholstery	Dark grey woven fabric
Seat cushion core	High-density molded polyurethane foam
Armrests	Fixed-height flip-up light grey polypropylene
Five-star base	White reinforced nylon
Gas lift	Black powder-coated steel
Casters	Black dual-wheel polyurethane
Seat mechanism	Black steel tilt-lock chassis
Internal seat support plate	1.8mm thick cold-rolled steel
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	Pneumatic height adjustment via side lever
Backrest tilt function	Synchro-tilt mechanism with tension adjustment
Swivel function	360-degree frictionless swivel
Flip-up armrests	90-degree upward folding armrests
Lumbar support	Integrated contoured mesh lumbar zone
Caster mobility	Dual-wheel swivel casters on all 5 base points
Tilt tension control	Rotary tension knob under seat
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 workstations	Mid-back ergonomic support for 8 hour daily task work at standard desks
Home office spaces	Compact footprint fits small residential work areas without excess bulk
Conference meeting rooms	360-degree swivel and neutral design suited for collaborative meeting spaces
Shared hot-desking areas	Durable construction and flip-up armrests accommodate wide range of user heights
Study and student desks	Adjustable height fits growing users and standard study desk dimensions
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 furniture safety requirements	EN 1335:2020
Office chair caster performance	EN 12528:2000
Furniture fire resistance	EN 1021:2014

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair general purpose standard	ANSI/BIFMA X2017
Office chair durability testing	ANSI/BIFMA X2017Clause 11
Office chair stability testing	ANSI/BIFMA X2017Clause 7

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair structural safety	GB/T 10357.2
Office chair strength and durability	GB/T 10357.3
Furniture hazardous material limits	GB 18584

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair structural safety: GB/T 10357.2;
2. Office chair strength and durability: GB/T 10357.3;
3. Furniture hazardous material limits: GB 18584;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Ergonomic Mid-Back Mesh Swivel Office Chair, model OFC-MESH-660BL, is an unbranded office task chair designed for versatile daily use across work and study environments. Visually, it features a breathable blue woven polyester mesh backrest set in a light grey reinforced polypropylene frame, paired with a dark grey woven fabric seat cushion, white reinforced nylon five-star base, and black dual-wheel polyurethane casters for a clean, neutral aesthetic that blends with most interior design schemes. The chair’s overall dimensions are 660 x 660 x 1055 mm, with a 540 mm clear width between armrests, creating a streamlined, compact silhouette that avoids unnecessary bulk. Its integrated contoured mesh lumbar support sits across a 240 mm zone, paired with a 70 mm thick padded backrest and 90 mm thick seat cushion filled with 45 kg/m³ high-density molded polyurethane foam, delivering consistent, balanced support for extended seated sessions. All structural hardware is constructed from steel, with a black powder-coated steel gas lift and black steel tilt-lock chassis for long-term durability. For flexible function, the chair offers 360-degree frictionless swivel rotation, pneumatic seat height adjustment via a side lever with 100 mm of adjustment travel, and a synchro-tilt backrest mechanism with an under-seat rotary tension control knob for personalized recline resistance. The fixed-height light grey polypropylene armrests fold upward 90 degrees to allow the chair to slide fully under desk surfaces when not in use, while dual-wheel swivel casters on all five base points enable smooth, quiet movement across hard and soft flooring. The back mesh has a tensile strength of 180 N/5cm, with 8 mm seam stitch pitch, and supports a maximum user weight of 150 kg with a net product weight of 12 kg. This chair is well-suited for open-plan office workstations supporting 8 hours of daily task work at standard desks, compact home office spaces, collaborative conference meeting rooms, shared hot-desking areas serving diverse user groups, and student or home study desks. It is ideally paired with a 2.4 m executive desk for proportional alignment. For procurement, note that each unit ships in 2 cartons with a packaged gross weight of 23 kg, 0.26 m³ total carton volume, and requires 40 minutes of assembly per set. A 20GP container can hold 135 sets at 85% space utilization, making it a practical choice for bulk and single-unit purchasing alike.

Ergonomic Mid-Back Mesh Swivel Office Chair Specifications

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