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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 × 700 × 1180 mm | |
|---|---|---|
| Seat width | Approx. 510 mm | |
| Seat depth | Approx. 500 mm | |
| Seat height range (floor to seat top) | Approx. 440-540 mm | |
| Backrest height (seat top to back top) | Approx. 720 mm | |
| Backrest width | Approx. 500 mm | |
| Armrest height (seat top to arm pad top) | Approx. 70 mm | |
| Five-star base radius (center to caster center) | Approx. 320 mm | |
| Caster diameter | Approx. 50 mm | |
| Seat cushion thickness | Approx. 80 mm | |
| Lumbar support zone height | Approx. 180-280 mm above seat surface | |
| Seat width (between armrests) | Approx. 510 mm | |
| Seat depth (front to back) | Approx. 500 mm | |
| Backrest width (widest lumbar section) | Approx. 500 mm | |
| Five-star base diameter | Approx. 640 mm | |
| Seat cushion total thickness | Approx. 80 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.
| Net weight range | Approx. 18-23 kg | |
|---|---|---|
| Maximum recommended user weight | Approx. 120-150 kg | |
| Gas lift static load rating | Approx. 150 kg | |
| Caster rolling durability | Approx. 40,000 rolling cycles minimum | |
| Tilt mechanism cyclic durability | Approx. 120,000 tilt cycles minimum | |
| Seat surface static load capacity | Approx. 102 kg (225 lbs) | |
| Upholstery abrasion resistance | Approx. 50,000 double rubs (Martindale) minimum | |
| Seat Foam Density / Rebound Reference | Approx. 35-45 kg/m³ / 50%-65% | |
| Back Foam Density Reference | Approx. 28-38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | Approx. 0.8-1.4 mm / 30,000-50,000 cycles |
PRODUCT MODULE 03 / 06
Materials & Structure
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat and backrest upholstery | Taupe top-grain leather or 1.2mm thick polyurethane (PU) leather, quilted segmented stitching | |
|---|---|---|
| Seat cushion core | Dual-layer high-resilience polyurethane foam: 50mm 45kg/m³ support foam + 30mm 30kg/m³ soft comfort foam top layer | |
| Backrest cushion core | Single-layer 40mm 35kg/m³ molded polyurethane foam, with built-in contoured lumbar support | |
| Internal frame | 1.5mm thick welded steel tube frame, powder-coated black for corrosion resistance | |
| Armrest structure | Nylon (PA6) arm frames with chrome-plated ABS accent trim, topped with 20mm thick padded PU arm pads | |
| Five-star base | Polished die-cast aluminum alloy, 2.5mm minimum wall thickness, chrome plated finish | |
| Gas lift | Chrome-plated steel SGS Class 3 gas lift, 50mm outer diameter, 100mm adjustable stroke | |
| Chair control mechanism | 2.5mm thick pressed steel multi-function tilt chassis, black powder-coated finish, with tension adjustment knob | |
| Casters | Black PA6 nylon dual-wheel casters, 50mm diameter, with steel roller bearings, suitable for hard floors and low-pile carpet | |
| Seam stitching | High-tenacity polyester thread, 8 stitches per inch (3.15 stitches per cm) seam pitch | |
| Internal support frame | 1.5mm thick welded rectangular steel tube frame, black powder-coated for corrosion resistance, with steel seat pan | |
| Backrest rear trim | Matching taupe PU leather-wrapped rear back panel with vertical edge stitching, attached to internal steel 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 right-side under-seat lever, 100mm total stroke, locks at any position within the 440-540mm seat height range | |
|---|---|---|
| Backrest tilt function | Multi-position tilt with infinite lock between 90° upright and 115° reclined positions, adjustable tilt tension via rear under-seat knob to match user weight | |
| 360-degree swivel | Full 360° horizontal rotation around the gas lift axis, no rotation lock, for easy access to surrounding desk areas | |
| Fixed padded armrests | Non-adjustable height/width armrests with soft padded tops, positioned to support forearms during typing or meeting use | |
| Smooth rolling mobility | Dual-wheel casters roll freely on hard floors and low-pile carpet with low rolling resistance, no caster locks visible in product image | |
| Contoured lumbar support | Built-in fixed contoured lumbar zone in the backrest foam, aligned to the 3rd-5th lumbar vertebrae to reduce seated lower back strain | |
| Seat waterfall edge | Curved front seat edge reduces pressure on the back of user thighs, improving blood circulation during extended sitting | |
| Tilt tension control | Rotating knob under seat adjusts recline resistance from 40-80N to accommodate user weights between 50-150kg | |
| Backrest recline angle range | Approx. 90-115 degrees from vertical | |
| Fixed ergonomic armrests | Non-adjustable height/width/depth Z-shaped armrests with soft padded tops, positioned 220-240mm apart to align with standard desk arm clearance, supporting forearms during typing | |
| Fixed contoured lumbar support | Built-in fixed curved lumbar zone in the backrest foam, aligned to the 3rd-5th lumbar vertebrae at 180-280mm above seat surface, provides 15-20mm of forward lumbar protrusion to maintain natural spine curvature | |
| Waterfall seat edge | Curved 30mm radius front seat edge distributes thigh pressure evenly, reducing popliteal vein compression for improved blood circulation during 4+ hour continuous sitting |
PRODUCT MODULE 05 / 06
Packaging & Logistics
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| Packaged carton count | 1 unit per carton, fully knock-down (CKD) assembly | |
|---|---|---|
| Reference carton dimensions | Approx. 820 x 640 x 580 mm | |
| Reference gross weight per carton | Approx. 22-27 kg | |
| Reference CBM per unit | Approx. 0.305 CBM | |
| Estimated assembly time | Approx. 15-25 minutes per unit | |
| 20ft GP container loading quantity | Approx. 92-98 units | |
| 40ft HQ container loading quantity | Approx. 220-235 units | |
| Packaging materials | 5-layer corrugated carton, expanded polystyrene (EPS) foam edge protection, plastic dust cover, hardware kit with assembly instructions | |
| Reference carton outer dimensions | Approx. 830 x 650 x 590 mm | |
| Export packaging materials | 5-layer BC-flute corrugated carton, 30mm thick expanded polystyrene (EPS) foam edge protection, PE plastic dust cover, labeled hardware kit with printed assembly instructions |
PRODUCT MODULE 06 / 06
Applications & Usage
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Private executive offices | High-back padded design supports 6-8 hour daily seated use for managers and executives, with formal taupe finish matching wood office casegoods | |
|---|---|---|
| Conference/meeting rooms | Swivel and tilt functionality supports collaborative meeting use, with padded comfort for 2-4 hour meeting sessions | |
| Home office workspaces | Neutral taupe color and polished metal finish coordinates with residential home office furniture, with height adjustment fitting standard 720-760mm home desks | |
| Open plan management workstations | 5-star caster base allows easy movement between work surfaces and adjacent collaboration zones, without excessive visual bulk | |
| Client reception areas | Upholstered premium finish creates a professional impression for visiting clients, while maintaining ergonomic support during wait times | |
| Commercial office standardization projects | Standard 440-540mm seat height range fits 90% of adult users, with durable components suitable for bulk commercial procurement with consistent specification | |
| Boardroom and conference rooms | 360° swivel and multi-position tilt functionality supports collaborative meeting use, with padded comfort for 2-4 hour meeting sessions without pressure points | |
| Open plan senior staff workstations | 640mm diameter five-star caster base allows easy movement between work surfaces and adjacent collaboration zones, with low-profile backrest avoiding excessive visual bulk in open layouts |
STANDARD S1
EU Market Entry Requirements * EN Standards
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - Office work chairs - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements | |
| EN 1335-3:2018 | Office furniture - Office work chairs - Part 3: Test methods |
STANDARD S2
North America Purchasing & Inspection Reference * ANSI/BIFMA Standards
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Test 5 | Backrest static strength test | |
|---|---|---|
| Five-star base static load rating | Approx. 1136 kg (2500 lbs) |
STANDARD S3
Standards Applicable to China-Market Projects * GB Standards
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 3327-2016 | Furniture - Chairs and stools - Mechanical test methods for strength and durability | |
| GB 28007-2011 | General technical requirements for office chairs | |
| GB/T 16799-2008 | Furniture - Upholstered furniture leather | |
| GB/T 22807-2019 | Furniture - Determination of formaldehyde content in leather and fur |
Standardized tender description text
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standards and test results require confirmation; 2. GB/T 3327-2016: Furniture - Chairs and stools - Mechanical test methods for strength and durability; 3. GB 28007-2011: General technical requirements for office chairs; 4. GB/T 16799-2008: Furniture - Upholstered furniture leather; 5. GB/T 22807-2019: Furniture - Determination of formaldehyde content in leather and fur; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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