Editorial Technical Reference

Ergonomic Office Chair

This page explains how Ergonomic Office Chair is classified within Wooden Furniture. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Industrial-scale manufactured seating solution for workplace ergonomics and comfort.

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Product Specifications

Technical details and manufacturing context for Ergonomic Office Chair

Definition
This ergonomic office chair is an industrially manufactured seating solution designed to support prolonged sitting during work activities. It incorporates adjustable components to accommodate different body types and work preferences, and is produced at scale for B2B office furniture supply chains and retail distribution. The chair integrates lumbar support, seat height adjustment, and tilt mechanisms to reduce musculoskeletal strain and improve productivity in corporate, home office, and institutional environments.

Constructed with a hardwood frame, polyurethane foam, mesh fabric, and a steel mechanism, the chair offers a range of adjustments. The seat height can be adjusted from 400 to 520 mm, the backrest tilt ranges from 90 to 135 degrees, and the seat width and depth are adjustable between 480–540 mm and 420–500 mm, respectively. Armrest height can be set between 200 and 300 mm, and lumbar support is adjustable in height and depth (50–80 mm). Tilt tension is adjustable to user weight (20–60 N). The seat is made of high-resilience PU foam (45–55 kg/m³), and the five-star base and armrests are aluminum alloy die-cast (grade ADC12). The gas lift is class 4 per EN 16955, and the chair has been tested to BIFMA X5.1. Net weight ranges from 18 to 25 kg depending on options. Operating temperature is -10 to 50 °C, and relative humidity is 20–80% non-condensing.

All parameters are reference ranges per EN 1335 and other standards; verify model-specific values and compliance with the legal manufacturer or supplier before procurement.
Working Principle
The chair uses mechanical adjustment mechanisms—gas lift for seat height, tilt tension control, and locking mechanisms—combined with contoured foam padding and fabric or leather upholstery. Users adjust controls to customize support and comfort. The gas lift allows vertical seat height changes, the tilt mechanism permits backrest recline with adjustable tension, and armrests and lumbar support can be repositioned. The steel mechanism provides structural integrity, while the hardwood frame and aluminum base ensure stability. The foam conforms to body contours, distributing pressure and reducing strain during prolonged sitting.
Common Materials
Hardwood frame, Polyurethane foam, Mesh fabric, Steel mechanism
Technical Parameters
ParameterTypical rangeNotes & selection driver
Seat Height Adjustment RangeRequired400–520 mmVertical adjustment range from minimum to maximum seat heightEN 1335
Backrest Tilt AngleRequired90–135 degreesMaximum backward tilt angle of the backrestEN 1335
Seat WidthRequired480–540 mmHorizontal measurement of the seating surfaceEN 1335
Seat DepthRequired420–500 mmFront-to-back measurement of the seating surfaceEN 1335
Load CapacityRequired150 kgMaximum recommended user weightEN 1335
Armrest Height Adjustment200–300 mmVertical adjustment range of armrestsEN 1335
Lumbar Support Adjustment50–80 mmHeight and depth adjustable
Tilt Tension Adjustment20–60 NAdjustable to user weight
Seat MaterialHigh-resilience PU foam, 45–55 kg/m³Molded foam with fabric or leatherGB/T 10802
Frame MaterialAluminum alloy die-cast, grade ADC12Five-star base and armrestsGB/T 15115
Gas Lift Class4BIFMA X5.1 testedEN 16955
Net Weight18–25 kgDepending on options
Operating Temperature-10–50 °CMechanism and foam performance
Relative Humidity20–80 %Non-condensing

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Gas Lift Cylinder
    Provides height adjustment through pneumatic pressure
    Material: Steel with hydraulic fluid
  • Five-Point Base Part
    Provides stability and weight distribution with casters
    Material: Nylon or aluminum
  • Tilt Mechanism
    Controls backrest recline and tension adjustment
    Material: Steel with polymer components
  • Lumbar Support Optional
    Provides lower back support with adjustable height and depth
    Material: Plastic frame with foam padding
  • Seat Pan Part
    Primary seating surface with contoured shape
    Material: Plywood or plastic with polyurethane foam
  • Backrest
    Reclines under control of the tilt mechanism and carries the upholstered back surface.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Ergonomic Office Chair.

Task chair Adjustable office seating Executive office chair

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max 150 kg (330 lbs) user weight capacity
other spec: Max 8 hours continuous use per day, 50-75% relative humidity range
temperature: 15°C to 35°C (59°F to 95°F)
Media Compatibility
✓ Office environments with carpet/hard flooring ✓ Call center/control room operations ✓ Home office setups with proper ventilation
Unsuitable: Outdoor/industrial environments with dust, moisture, or chemical exposure
Sizing Data Required
  • User weight and height range
  • Desired adjustability features (lumbar, armrests, tilt)
  • Workspace dimensions and mobility requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Gas cylinder seal failure
Cause: Repeated compression cycles causing seal wear and gas leakage
Wheel bearing degradation
Cause: Dust accumulation and lack of lubrication leading to increased friction and eventual seizure
Maintenance Indicators
  • Uncontrolled chair height drop or inability to maintain height setting
  • Grinding or squeaking noises during swivel or rolling movement
Engineering Tips
  • Regularly clean and lubricate wheel bearings and swivel mechanisms to prevent particulate ingress
  • Avoid exceeding weight limits and minimize aggressive height adjustments to reduce stress on gas cylinder seals

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 9241-5:1998 (Ergonomics of human-system interaction - Workstation layout and postural requirements) ANSI/BIFMA X5.1-2017 (General Purpose Office Chairs - Tests) CE Marking (EU Directive 2001/95/EC - General Product Safety)

Quoted from the published standard.

Manufacturing Precision
  • Seat Height Adjustment: +/- 5 mm
  • Backrest Tilt Angle: +/- 2 degrees
Quality Inspection
  • Static Load Test (ANSI/BIFMA X5.1 Section 7)
  • Durability Cycle Test (ANSI/BIFMA X5.1 Section 8)

Manufacturers of Ergonomic Office Chair

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Sunon Group
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
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Inspection readiness
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Frequently Asked Questions

What adjustment ranges does this chair offer?

The chair provides seat height adjustment from 400 to 520 mm, backrest tilt from 90 to 135 degrees, seat width 480–540 mm, seat depth 420–500 mm, armrest height 200–300 mm, and lumbar support adjustment of 50–80 mm. Tilt tension is adjustable from 20 to 60 N. These are reference ranges per EN 1335; confirm exact values for the specific model.

What materials are used in construction?

The frame is hardwood, the seat cushion is high-resilience polyurethane foam (45–55 kg/m³), the upholstery can be mesh fabric or leather, and the mechanism is steel. The five-star base and armrests are aluminum alloy die-cast (grade ADC12). Verify material grades with the supplier.

What is the load capacity and weight?

The maximum recommended user weight is 150 kg. The net weight of the chair ranges from 18 to 25 kg depending on options. These figures are reference values; check the product specification for the exact model.

Which standards apply to this chair?

The chair references EN 1335 for dimensions and adjustments, EN 16955 for gas lift class (class 4), and BIFMA X5.1 for durability testing. The foam meets GB/T 10802, and the aluminum alloy meets GB/T 15115. These standards are verification references; ensure the specific model is tested and compliant.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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