Product supplierMid-Back Ergonomic Mesh Office Task Chair, Black reinforced polypropylene (nylon)
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) | 630 × 650 × 1030 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range | 520mm | |
| Backrest height | 520 mm | |
| Backrest width | 480 mm | |
| Fixed armrest height above seat | 220 mm | |
| Five-star base diameter | 650 mm | |
| Caster diameter | 50 mm | |
| Armrest pad dimensions | 250 x 80 mm | |
| Lumbar support zone height above seat | 280mm | |
| Seat height adjustment range | 520mm | |
| 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 | 14kg | |
|---|---|---|
| Recommended maximum user weight | 120 kg | |
| Seat static load capacity | 150 kg | |
| Backrest tilt lock range | 105 degrees | |
| Caster rolling durability | ≥40000 cycles | |
| Gas lift cycle life | ≥100000 height adjustment cycles | |
| Seam stitch pitch | 35mm per 10 stitches | |
| Tilt mechanism cycle life | ≥80000 recline cycles | |
| Seam stitch strength | ≥160N pull force per stitch | |
| Seat Foam Density / Rebound Reference | 45kg/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 support frame | Black reinforced polypropylene (nylon) | |
|---|---|---|
| Backrest upholstery | Black breathable woven polyester mesh | |
| Seat cushion core | Molded high-density polyurethane foam, 50mm thickness | |
| Seat upholstery | Black breathable woven fabric, 0.8mm thickness | |
| Armrest structure | Reinforced nylon support post with soft TPU padded top surface | |
| Five-star base | Glass fiber reinforced nylon (polyamide) | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift, 50mm outer diameter | |
| Tilt mechanism chassis | 2.5mm thick stamped steel chassis with black powder coat finish | |
| Casters | Black nylon dual-wheel hard floor casters | |
| Internal seat support plate | 12mm thick molded plywood under seat cushion | |
| Backrest outer support frame | 20% glass-fiber reinforced polypropylene (nylon), matte black finish, integrated geometric rib structure for mesh tension support | |
| Armrest assembly | Reinforced nylon support post integrated with seat frame, 8mm thick soft TPU padded top surface, matte black finish |
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 lever, 100mm vertical travel to match desk heights from 700mm to 780mm | |
|---|---|---|
| Backrest tilt function | Synchro tilt mechanism allowing backrest recline up to 15 degrees from upright position, with tension adjustment knob under seat | |
| Tilt lock function | Lockable in upright 90-degree position for focused task work, unlockable for free recline | |
| Fixed arm support | Height-fixed armrests providing forearm support during typing, no height/width/pivot adjustment | |
| Mobility function | Five dual-wheel casters allow smooth rolling on hard floors and low-pile commercial carpet, no brake mechanism | |
| Lumbar support | Contoured frame-integrated curved lumbar zone supporting the natural lower back curve, no adjustable lumbar pad | |
| Backrest synchro tilt | Weight-activated synchro tilt mechanism, 1:2.3 seat-to-back tilt ratio, allows maximum 15-degree back recline from upright 90-degree seated position | |
| Tilt tension adjustment | Rotary tension knob under front of seat, adjusts recline resistance from 40N to 120N to match user weight between 50kg and 120kg | |
| 360-degree swivel | Full 360-degree horizontal rotation via gas lift swivel bearing, no rotation limit for easy access to surrounding work surfaces | |
| Integrated lumbar support | Frame-integrated curved lumbar protrusion at 280mm above seat surface, provides 30mm forward support to maintain natural lumbar spine curve, no adjustable lumbar pad | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg |
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 | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm | |
| Reference Packaged Gross Weight | 23kg/set | |
| Reference Carton Volume | 0.26m³/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 workstation use | Suitable for 780mm height standard office desks for daily 8 hour task work by general office staff | |
|---|---|---|
| Home office study use | Appropriate for home study or work-from-home setups with compact footprint that fits small home workspaces | |
| Conference/meeting room seating | Suitable for short to medium duration meeting use in boardrooms or conference areas with uniform black aesthetic that matches most office interiors | |
| Training room seating | Durable construction and mobility suitable for multi-user training rooms where chairs are frequently repositioned | |
| Call center seating | Breathable mesh back reduces heat buildup during extended seated shifts for call center operators | |
| Training and multi-purpose room seating | Durable construction and omnidirectional wheeled mobility suit multi-user training rooms where chairs are frequently repositioned for flexible layouts | |
| Call center/helpdesk seating | Breathable open mesh back reduces heat buildup during continuous 8 hour seated shifts for call center operators | |
| Co-working space hot-desking use | Durable commercial-grade components and universal sizing suit shared hot-desk environments with rotating multi-user occupancy |
STANDARD S1
EU Market Entry Requirements * EN Standards
EU Market Access Requirements* EN Standards
| Applicable safety standard recommendation | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - Safety requirements | |
|---|---|---|
| Applicable stability standard recommendation | EN 1022:2018 Furniture - Seating - Determination of stability | |
| EU dimensional safety recommendation | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - Safety requirements | |
| EU stability recommendation | EN 1022:2018 Furniture - Seating - Determination of stability | |
| EU flame retardant recommendation | EN 1021:2014 Furniture - Assessment of ignitability of upholstered furniture - Part 1: Ignition source smouldering cigarette |
STANDARD S2
North America Purchasing & Inspection Reference * ANSI/BIFMA Standards
US and Canada office-furniture standards
| Applicable performance standard recommendation | ANSI/BIFMA X2017 Office Chairs - Tests | |
|---|---|---|
| North American performance recommendation | ANSI/BIFMA X2017 Office Chairs - General purpose tests |
STANDARD S3
Standards Applicable to China-Market Projects * GB Standards
Standards applicable to China-market projects
| Applicable safety standard recommendation | GB/T 38609 Office chair general technical requirements | |
|---|---|---|
| Applicable durability standard recommendation | GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools | |
| Safety standard recommendation | GB/T 38609 General technical requirements for office chairs | |
| Mechanical durability recommendation | GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools | |
| Fabric safety recommendation | GB 18401 National general safety technical code for textile products |
Standardized tender description text
This product must meet the following technical requirements: 1. Applicable safety standard recommendation: GB/T 38609 Office chair general technical requirements; 2. Applicable durability standard recommendation: GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools; 3. Safety standard recommendation: GB/T 38609 General technical requirements for office chairs; 4. Mechanical durability recommendation: GB/T 10357.3 Test of mechanical properties of furniture - Strength and durability of chairs and stools; 5. Fabric safety recommendation: GB 18401 National general safety technical code for textile products; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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