| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 1810 x 768 x 880 mm | |
|---|---|---|
| seat height from floor | 450 mm | |
| per-seat usable width | 580 mm | |
| seat usable depth | 480 mm | |
| backrest height above seat | 400 mm | |
| support beam cross-section | 80 x 90 mm | |
| armrest height above seat | 200 mm | |
| floor glide base footprint | 1750 x 700 mm | |
| backrest cutout height | 80 mm | |
| 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
| per-seat static load capacity | 150 kg | |
|---|---|---|
| net weight of fully assembled unit | 35 kg | |
| upholstery abrasion resistance | 100000 cycles | |
| frame corrosion resistance | 500 hours salt spray resistance | |
| floor glide static friction coefficient | 0.6 | |
| expected structural service life | 10 years | |
| 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
| main support frame | 2.0mm wall thickness steel tube, electrostatic silver powder coating | |
|---|---|---|
| seat/back padding | 30mm thick 45kg/m³ high-density polyurethane foam | |
| seat/back upholstery | 1.2mm thick antibacterial maroon PU leather, wipe-clean surface | |
| armrests | Die-cast aluminum alloy with polished silver finish, rounded smooth edges | |
| support legs | 2.0mm thick angled steel with silver powder coating, reinforced weld joints | |
| floor glides | 30mm diameter non-marking TPU plastic, adjustable height for uneven floors | |
| fasteners | Stainless steel anti-loose self-locking screws, no exposed sharp edges | |
| upholstery stitching | 8 stitches per inch, reinforced seam tape at stress points | |
| 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| seating configuration | Fixed linear 3-seat tandem on shared steel beam, no recline or swivel functions | |
|---|---|---|
| ergonomic back support | Contoured back pad with lower central cutout, reduces lumbar pressure | |
| floor placement | Freestanding installation with adjustable glides, no permanent floor mounting required | |
| surface maintenance | Wipe-clean PU upholstery resistant to common medical-grade disinfectants | |
| modular expansion capability | Configurable to 2, 4 or 5 seat units by adjusting beam length | |
| armrest function | Dual end cantilever armrests support user weight during stand/sit, prevent lateral falls | |
| weight distribution | Four-point splayed leg design distributes load evenly, reduces floor pressure | |
| 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
| medical waiting areas | Suitable for hospital clinics and health centers, disinfectant-resistant upholstery supports daily cleaning | |
|---|---|---|
| public transport hubs | Suitable for airport, railway and bus station waiting zones, heavy-duty frame supports high foot traffic | |
| office reception areas | Suitable for corporate lobby and visitor waiting spaces, maroon finish complements modern commercial interiors | |
| government service centers | Suitable for tax, banking and citizen service halls, durable construction withstands 10+ years of continuous use | |
| education institution foyers | Suitable for school admin offices and library waiting areas, stable structure reduces tip-over risk for children | |
| 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 16139:2013 | Applicable to non-domestic seating strength, durability and safety requirements for public areas | |
|---|---|---|
| EN 1022:2018 | Applicable to seating stability testing for freestanding non-domestic chairs | |
| EN 13722:2004 | Applicable to upholstered furniture resistance to ignition by smouldering cigarette |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable to office and public seating general-purpose safety and performance testing | |
|---|---|---|
| ANSI/BIFMA X5.4-2012 | Applicable to lounge and public seating durability and load rating requirements |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to metal furniture general technical requirements for structural safety and finish quality | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable to chair and stool mechanical strength and durability testing for public use | |
| GB 18584-2001 | Applicable to interior decoration material limits of harmful substances for furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to metal furniture general technical requirements for structural safety and finish quality; 2. GB/T 10357.3-2013: Applicable to chair and stool mechanical strength and durability testing for public use; 3. GB 18584-2001: Applicable to interior decoration material limits of harmful substances for furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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