Product supplierMid-Back Mesh Swivel Office Task Chair, Reinforced black polypropylene (PP)
Contact the supplier for production scheduling and quotation.
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) | 620 × 630 × 1020 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 470 mm | |
| Seat height range | 500mm | |
| Backrest height | 520 mm | |
| Backrest width | 460 mm | |
| Fixed armrest height above seat | 210 mm | |
| Armrest length | 240 mm | |
| Five-star base diameter | 640 mm | |
| Caster diameter | 50 mm | |
| Sitting knee clearance height | ≥ 640 mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
PRODUCT MODULE 02 / 06
Weight, Load & Performance
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Product net weight | 14.5kg | |
|---|---|---|
| Recommended user weight capacity | 120 kg | |
| Seat foam density | 50kg/m³ | |
| Seat foam thickness | 50 mm | |
| Backrest lumbar support static load | ≥75 kg | |
| Caster rolling durability | ≥100,000 rolling cycles | |
| Gas lift cyclic durability | ≥100,000 height adjustment cycles | |
| Available color options | 1 standard (all black) | |
| Recommended maximum user weight capacity | 120kg | |
| Seat foam rebound rate | ≥40% |
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 support frame | Reinforced black polypropylene (PP) | |
|---|---|---|
| Backrest upholstery | Breathable woven polyester mesh | |
| Seat support inner frame | 12mm thick molded plywood | |
| Seat upholstery outer layer | Woven black polyester fabric | |
| Seat cushion fill | High-resilience polyurethane foam | |
| Armrests | Integral molded black polypropylene (PP) with fixed closed-loop support | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift, 50mm outer tube diameter | |
| Tilt mechanism chassis | 2.5mm thick stamped steel, black powder coated finish | |
| Five-star base | Glass-fiber reinforced black nylon (PA), 2.5mm average wall thickness | |
| Casters | Black polyurethane (PU) tread twin-wheel casters, swivel 360 degrees | |
| Height/tilt control levers | Black PP coated steel levers | |
| Tilt tension adjustment knob | Black PP molded rotary knob, mounted to front underside of seat chassis, knurled surface for grip |
PRODUCT MODULE 04 / 06
Functions & Adjustment
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seat height adjustment | Pneumatic adjustment via right-side paddle lever, 80mm total stroke to accommodate 185cm user height | |
|---|---|---|
| Backrest tilt function | 110 degree synchro tilt, lockable in upright position via right-side lever, tilt tension adjustable via front tension knob | |
| 360-degree swivel rotation | Full 360° horizontal rotation around central gas lift axis, no rotation lock | |
| Smooth rolling mobility | 5x 50mm twin-wheel casters roll freely on hard flooring and low-pile carpet, no brake mechanism as standard | |
| Integrated lumbar support | Curved mid-back mesh frame provides static lumbar support aligned to lower back curve, no adjustable lumbar pad | |
| Fixed arm support | Closed-loop fixed armrests provide stable forearm support at fixed height, no height/pivot/width adjustment | |
| Weight-activated tilt tension | Rotating front tension knob adjusts tilt resistance to match user weight for controlled recline | |
| Tilt tension adjustment | Rotary front-mounted knob adjusts tilt resistance from 40Nm to 90Nm to match user weight between 50kg and 120kg for controlled recline | |
| Mobility function | 5x 50mm twin-wheel casters roll freely on hard tile/wood flooring and low-pile carpet (≤6mm pile height), rolling resistance ≤15N per caster for easy repositioning | |
| Lumbar support | Integrated curved raised section on PP back frame provides static lumbar support aligned to the L3-L4 lower back curve, no adjustable lumbar pad as standard | |
| Seat edge pressure relief | Contoured waterfall front seat edge reduces 20% of thigh pressure compared to straight edges for extended sitting sessions | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions |
PRODUCT MODULE 05 / 06
Packaging & Logistics
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| Number of shipping packages | 1 carton per chair, KD (knocked down) assembly | |
|---|---|---|
| Shipping carton dimensions | 650 x 600 x 530 mm | |
| Gross shipping weight per carton | 16.5kg | |
| Shipping volume (CBM) per unit | 0.206 CBM | |
| Recommended assembly time | 15minutes per unit for 1 person with standard tools | |
| 20ft GP container loading quantity | 145 units | |
| 40ft HQ container loading quantity | 360 units | |
| Included hardware kit | All required bolts, Allen key and assembly instructions included per unit | |
| Shipping carton outer dimensions | 650 x 600 x 530mm | |
| Shipping volume per unit | 0.206 CBM |
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 | Suitable for 8-hour daily use at standard 760mm height office desks for general administrative and computer work | |
|---|---|---|
| Home office workspaces | Compact footprint fits small home desk setups, neutral black finish matches most desk styles | |
| Conference and meeting rooms | Swivel and tilt function supports collaborative meeting use, fixed armrests allow easy push-in under standard conference tables | |
| Co-working shared spaces | Durable mesh back and fabric seat withstands frequent multi-user use, easy to move between workstations | |
| Training room seating | Lightweight construction allows easy rearrangement for training sessions, stackable? No, non-stackable but KD design allows compact storage when disassembled | |
| Corporate training rooms | KD design allows compact bulk storage when disassembled for off-peak periods, no adjustable arm/lumbar parts reduces maintenance and damage risk in high-traffic training environments | |
| Temporary call center seating | Breathable mesh back reduces heat buildup for 6 hour continuous phone-based work, standardized black finish allows easy replacement of damaged units without finish mismatch across large deployments | |
| Recommended Matching Desk Size | 2.4m executive desk |
STANDARD S1
EU Market Entry Requirements * EN Standards
EU Market Access Requirements* EN Standards
| EN 1335-1:2000 | Office furniture - Office work chairs - Part 1: Dimensions - reference for minimum seat dimension, clearance and height adjustment range suitability for office use | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements - reference for structural safety, stability and component strength requirements for commercial use | |
| EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods - reference for verification of static load, durability and stability performance |
STANDARD S2
North America Purchasing & Inspection Reference * ANSI/BIFMA Standards
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office Chairs - General Purpose - reference for standard performance, safety and durability requirements for general office task chairs, including back strength, seat load, caster and base testing | |
|---|---|---|
| Seat pan static load capacity | ≥150 kg |
STANDARD S3
Standards Applicable to China-Market Projects * GB Standards
Standards applicable to China-market projects
| GB/T 39222-2020 | Office furniture - Office chairs | |
|---|---|---|
| GB 28007-2011 | General technical requirements for children's furniture (if used in training spaces for minors) | |
| GB/T 19995.2-2005 | Office furniture - Part 2: Safety requirements |
Standardized tender description text
This product must meet the following technical requirements: 1. GB/T 39222-2020: Office furniture - Office chairs; 2. GB 28007-2011: General technical requirements for children's furniture (if used in training spaces for minors); 3. GB/T 19995.2-2005: Office furniture - Part 2: Safety requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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