| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1800 x 700 x 900 mm | |
|---|---|---|
| Individual seat width | 530 mm | |
| Seat depth | 460 mm | |
| Seat height above floor | 450 mm | |
| Backrest height above seat | 510 mm | |
| Armrest height above floor | 620 mm | |
| Support beam cross-section | 80 x 80 mm | |
| Leg footprint depth | 630 mm | |
| Rubber floor glide diameter | 50 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
| Static load per seat | 150 kg | |
|---|---|---|
| Unit net weight | 45 kg | |
| Recommended user capacity | 3 adults | |
| Surface abrasion resistance | 50000 cycles | |
| PU material aging resistance | 10 years | |
| 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 backrest panels | 30 mm thick integrally molded self-skin PU | |
|---|---|---|
| Internal seat support frame | 1.2 mm thick welded steel tube with rust-proof treatment | |
| Main support beam | 3.0 mm thick extruded hexagonal aluminum alloy | |
| Leg assemblies | Single-piece die-cast aluminum alloy, powder-coated finish | |
| End armrests | Integrated die-cast aluminum with smooth polished edge finish | |
| Seat mounting brackets | 5.0 mm thick aluminum alloy brackets with snap-fit connections | |
| Floor glides | Non-slip TPR rubber with adjustable leveling base | |
| Fasteners | Zinc-plated steel self-locking nuts with spring washers, concealed installation | |
| 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 beam-mounted layout, no intermediate armrests | |
|---|---|---|
| Posture support | Ergonomically contoured seat and back pans for upright waiting posture | |
| Floor leveling | Adjustable rubber glides at each leg foot for uneven hard floor surfaces | |
| Surface cleaning | Smooth non-porous PU surface compatible with standard disinfectant cleaners | |
| Anti-vandalism design | Concealed fasteners and closed-profile armrests to prevent snagging or tampering | |
| Corrosion protection | Powder-coated aluminum components resist rust and cleaning chemical damage | |
| 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
| Airport/railway terminal waiting areas | Heavy-duty construction supports continuous high-traffic daily public use | |
|---|---|---|
| Hospital/clinic waiting rooms | Non-porous surface allows regular disinfection and easy spill cleaning | |
| Bank/service hall reception areas | Stable fixed configuration provides organized queuing seating for visitors | |
| Government/public service office lobbies | Tamper-resistant fasteners and durable finish reduce maintenance requirements | |
| Station/bus terminal passenger waiting zones | Corrosion-resistant aluminum frame performs well in variable temperature/humidity | |
| 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
| Public furniture safety strength | EN 16139:2013 | |
|---|---|---|
| Furniture surface fire resistance | EN 1021:2014 | |
| Metal coating corrosion resistance | EN 12720:2009+A1:2013 |
US and Canada office-furniture standards
| Multi-seat seating durability | ANSI/BIFMA X2022 | |
|---|---|---|
| Seating stability performance | ANSI/BIFMA X2017(Clause 5) |
Standards applicable to China-market projects
| Public seating mechanical safety | GB/T 35652 | |
|---|---|---|
| Furniture surface environmental limit | GB 18584 | |
| Metal furniture coating durability | GB/T 3325 |
This product must meet the following technical requirements: 1. Public seating mechanical safety: GB/T 35652; 2. Furniture surface environmental limit: GB 18584; 3. Metal furniture coating durability: GB/T 3325; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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