| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 840 x 865 x 740 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat width | 710 mm | |
| Seat depth | 560 mm | |
| Backrest height from seat | 280 mm | |
| Under-seat floor clearance | 150 mm | |
| 4-star base leg span | 760 mm | |
| Backrest rake angle from vertical | 18 degrees | |
| Floor glide contact pad size | 30 mm square | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net product weight | 32 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Upholstery fabric abrasion resistance | 100000 double rubs | |
| Seat foam indentation load deflection | 45 kg | |
| Swivel mechanism cycle life | 30000 rotations | |
| Floor glide static friction coefficient | 0.6 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back shell core | 12mm thick molded plywood with internal steel reinforcement | |
|---|---|---|
| Seat padding | 80mm thick high-resilience polyurethane foam, density 45 kg/m³ | |
| Backrest padding | 50mm thick high-resilience polyurethane foam, density 40 kg/m³ | |
| Upholstery fabric | 1.2mm thick woven polyester fabric, stain-repellent treated | |
| Central swivel stem | 50mm diameter polished chrome-plated steel tube, 2.5mm wall thickness | |
| 4-star base frame | Polished chrome-plated steel, 3mm leg thickness | |
| Floor contact glides | Injection-molded nylon with felt bottom pads | |
| Swivel bearing assembly | Hardened steel ball bearing race with corrosion-resistant plating | |
| Seam construction | Reinforced polyester stitching, 8 stitches per inch seam pitch | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| Rotation mechanism | 360-degree unlimited smooth swivel via steel ball bearing | |
|---|---|---|
| Floor protection | Non-marking felt-tipped glides prevent scratching of hard flooring | |
| Posture support | Fixed 12-degree seat recline and 18-degree back rake for relaxed seating | |
| Upholstery maintenance | Spot-cleanable fabric surface suitable for high-traffic public areas | |
| Stability design | Wide 760mm 4-prong base prevents tipping during normal swivel use | |
| Color customization | Available in multiple fabric finishes including bright yellow and cool grey | |
| Seat angle recline from horizontal | 12 degrees | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| 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 | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Office reception waiting areas | Compact footprint and modern styling suit formal visitor seating zones | |
|---|---|---|
| Open collaborative lounge spaces | 360-degree swivel supports casual group interaction without repositioning | |
| Breakout and relaxation zones | Relaxed seat pitch supports short rests during work breaks | |
| Residential living room accent seating | Contemporary silhouette works as standalone accent seating | |
| Hotel lobby and public waiting areas | Durable commercial-grade construction withstands high-traffic use | |
| Healthcare facility waiting spaces | Easy-to-clean fabric and stable base suit public healthcare environments | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 13761:2002 | Office furniture - Visitor chairs, test methods for strength and stability | |
|---|---|---|
| EN 1022:2018 | Domestic and non-domestic seating stability test method |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge seating standard for public and office space use | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Furniture sustainability standard for material emissions and durability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to structural base stability | |
|---|---|---|
| GB 18584-2001 | Indoor decorating and refurbishing materials limit of harmful substances for wooden furniture | |
| GB/T 19001-2016 | Quality management system guideline for consistent furniture production |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to structural base stability; 2. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances for wooden furniture; 3. GB/T 19001-2016: Quality management system guideline for consistent furniture production; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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