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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 × 650 × 1130 mm
Overall chair footprint	660 x 650 x 1130 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	135 kg
Net weight	16 kg
Seat static load reference	225 kg
Backrest static load reference	136 kg
Gas-lift duty class	Class 4, 100 mm stroke
Caster rolling durability	100000 cycles
Seat height cycles	60000 cycles
Back recline cycles	100000 cycles
Seat fabric abrasion reference	50000 Martindale rubs
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%

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 construction	Black flexible mesh stretched within a black polymer outer frame; weave and border are visible, material grade requires BOM confirmation.
Seat surface	Black mesh or mesh-overlay upholstery over a 60 mm molded cushion; visible contour supports seated pressure distribution.
Lumbar component	Raised black padded lumbar band attached across the lower back zone; internal foam and cover grade require BOM confirmation.
Armrests	Height-adjustable T-shaped black polymer arms with flat rectangular contact pads and vertical support posts.
Internal seat shell	Molded polymer load shell with steel reinforcing plate at the mechanism interface; exact thickness is not visible.
Lift and base	Chrome-finished steel gas-lift tube joined to a black five-star nylon or glass-filled nylon base.

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustment	Pneumatic seat-height lift with a 100 mm stroke, operated by the visible side lever under the seat.
Recline system	Synchro-tilt mechanism reclines the back through 18 degrees with proportional seat movement; tension knob is visible beneath the seat.
Tilt lock	Multi-position lock plate secures the back at upright, mid-recline and full-recline positions through the under-seat lever.
Lumbar support	Horizontal padded lumbar band follows the lower-back curve; no separate depth-adjustment wheel is visible.

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Gross weight per carton	19 kg
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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Office workstation use	Suitable for individual desks, open-plan benches and computer workstations requiring swivel access, recline support and rolling mobility.
Commercial seating applications	Appropriate for staff seating, hot-desk zones, meeting rooms and home offices with daily 8-hour commercial-use procurement requirements.

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 dimensions	Use to verify seat-height range, back dimensions and functional geometry for office work chairs.
EN 1335-2 safety requirements	Use for structural safety, stability and shear-point acceptance of the chair.
EN 1335-3 test methods	Use for laboratory verification of strength, durability and back-rest performance.
EN 1021-1 cigarette ignition	Use as upholstery smolder-ignition acceptance when mesh, foam and backing materials are tested together.

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 office chairs	Apply the latest edition for general-purpose office-chair safety, strength, stability and durability acceptance.
BIFMA X5.1 back strength test	Use to validate the framed mesh back and lumbar attachment under repeated rearward loading.

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 to seat and back static and fatigue testing for commercial office-chair procurement.
GB/T 3324 general technical requirements	Use as a wooden-furniture reference only where molded boards or wood-based components are present in the BOM.
GB 17927 upholstered furniture safety	Use for delayed-flame and burning-behavior assessment if foam and textile upholstery are supplied for China-market sale.

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3 furniture strength and durability: Apply to seat and back static and fatigue testing for commercial office-chair procurement.;
2. GB/T 3324 general technical requirements: Use as a wooden-furniture reference only where molded boards or wood-based components are present in the BOM.;
3. GB 17927 upholstered furniture safety: Use for delayed-flame and burning-behavior assessment if foam and textile upholstery are supplied for China-market sale.;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Black Mesh Ergonomic Task Chair, model OC-MESH-HB-01, presents a streamlined high-back office profile in a coordinated black finish. Its flexible mesh back is stretched within a black polymer outer frame, with the weave and border left visible to create a light, open appearance. A raised padded lumbar band runs across the lower-back zone, while the seat uses black mesh or mesh-overlay upholstery over molded cushioning with a shaped surface. Height-adjustable, T-shaped black polymer armrests with flat rectangular pads flank the seat, and the black five-star base carries twin-wheel casters for a mobile, conventional task-chair layout. The clear width between the armrests is 540 mm, with an overall footprint of 660 x 650 x 1130 mm. Construction balances visible comfort layers with structural support. The seat contains a molded polymer load shell with a steel reinforcing plate at the mechanism interface, a 60 mm molded cushion, and a finished cushion thickness of 90 mm. The backrest padding thickness is 70 mm, and the lumbar support zone is 240 mm high. The chair uses a chrome-finished Class 4 steel gas lift with a 100 mm stroke, connected to a black nylon or glass-filled nylon five-star base. Arm and shell components are black polymer. Buyers should note that mesh material grade, lumbar foam, and cover grade require bill-of-materials confirmation before specification. Functionally, the chair is built for active desk work. A side lever under the seat controls pneumatic height adjustment. The synchro-tilt mechanism allows the back to recline through 18 degrees with proportional seat movement, and an under-seat tension knob provides adjustment. A multi-position lock plate secures the chair in upright, mid-recline, and full-recline positions. The padded lumbar band follows the lower-back curve, while swivel movement and rolling casters support easy reach and repositioning. The stated recommended user weight capacity is 135 kg; static load references are 225 kg for the seat and 136 kg for the backrest, with caster durability rated for 100000 cycles and seat-height adjustment for 60000 cycles. This model suits individual desks, open-plan benches, computer workstations, staff seating, hot-desk areas, meeting rooms, and home offices meeting daily 8-hour commercial-use requirements. Procurement teams should plan for one set supplied in two cartons, a packaged gross weight of 23 kg per set, a carton volume of 0.26 cubic meters per set, and a reference assembly time of 40 minutes per set. As an unbranded chair, it is particularly important to confirm finish consistency, component grades, replacement parts, warranty terms, and packaging details before volume purchase.

Black Mesh Ergonomic Task Chair with Adjustable Arms and Lumbar Pad Specifications

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