| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1800 x 768 x 900 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
| Net weight per 3-seat unit | 45 kg | |
|---|---|---|
| Single seat static load capacity | 250 kg | |
| Sit compression cycle durability | 50000 cycles | |
| Design service life under normal public use | 20 years | |
| Total seating capacity | 3 adults | |
| 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 | |
| Caster Rolling Durability Reference | Acceptance target 30000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest panels | 30 mm thick self-skinning high-density polyurethane, integrated molded | |
|---|---|---|
| Internal seat support frame | 1.2 mm thick welded flat steel tube + 1.0 mm steel plate | |
| End armrests and leg supports | ADC12 die-cast aluminum alloy, anti-oxidation nano-spray finish | |
| Central support beam | 80x90 mm octagonal cold-rolled steel, 3.0 mm wall thickness, anti-rust powder coat | |
| Floor contact glides | Non-slip black rubber/PP composite pads, height-adjustable design | |
| Fastening hardware | Self-locking nuts with spring washers, concealed installation no exposed screws | |
| Beam end caps | Impact-resistant ABS plastic, snap-fit installation to cover sharp beam ends | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat installation structure | Modular buckle-fixed single seats, individual replacement without full disassembly | |
|---|---|---|
| Floor installation option | Suitable for freestanding placement or fixed anchoring with expansion screws | |
| Surface maintenance feature | Waterproof and stain-resistant PU surface, compatible with disinfectant wiping | |
| Level adjustment | Height-adjustable foot glides to compensate for uneven floor surfaces | |
| Modular expansion capability | Supports adding side tea tables, infusion hooks, or USB ports as accessories | |
| Backrest support | 15° static ergonomic contour for upright waiting posture, no active tilt adjustment | |
| Anti-noise structure | Anti-loosening connections to eliminate abnormal noise during repeated use | |
| 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 departure/arrival waiting zones | High-traffic durable seating resistant to frequent use and cleaning | |
|---|---|---|
| Hospital outpatient and clinic waiting areas | Disinfectant-compatible surface suitable for medical hygiene requirements | |
| Railway and bus station waiting halls | Rigid frame construction supports heavy public passenger flow | |
| Government service hall waiting zones | Neat uniform appearance and stable structure for long-term public use | |
| Bank and office lobby visitor areas | Ergonomic contoured seats provide comfortable short-term waiting for visitors | |
| 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 seating safety requirements | EN 16139:2013 | |
|---|---|---|
| Furniture surface flame resistance | EN 1021:2014 |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.4 Public and Lounge Seating |
|---|
Standards applicable to China-market projects
| Public seating mechanical safety | GB/T 35660.1 | |
|---|---|---|
| Metal coating corrosion resistance | GB/T 6461Grade 10 | |
| Furniture surface wear resistance | GB/T 17657 | |
| Formaldehyde emission limits | GB 18584 | |
| Metal component salt spray resistance grade | 10 grade |
This product must meet the following technical requirements: 1. Public seating mechanical safety: GB/T 35660.1; 2. Metal coating corrosion resistance: GB/T 6461Grade 10; 3. Furniture surface wear resistance: GB/T 17657; 4. Formaldehyde emission limits: GB 18584; 5. Metal component salt spray resistance grade: 10 grade; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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