| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1800 x 400 x 430 mm | |
|---|---|---|
| Individual seat width | 550 mm | |
| Seat surface thickness | 1.5 mm | |
| Support leg spread width | 500 mm | |
| Leveling foot diameter | 50 mm | |
| Seat edge beam diameter | 80 mm | |
| Gap between adjacent seats | 30 mm | |
| Floor clearance under seat | 350 mm | |
| Support leg material thickness | 8 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
| Total bench net weight | 22 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Recommended maximum user weight per seat | 120 kg | |
| Seat surface abrasion resistance | 50000 cycles | |
| Leveling foot adjustment range | 15 mm | |
| Structure service life reference | 10 years | |
| Seamless seat joint gap load resistance | 1000 N | |
| Seat joint gap load resistance | 1000 N | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat panels | 1.5mm thick aluminum alloy sheet with matte silver anodized finish | |
|---|---|---|
| Main support beam | Rectangular extruded aluminum alloy profile with rounded edges | |
| Support legs | Die-cast aluminum alloy, Y-shaped outrigger design, matte silver powder coated finish | |
| Seat joint connectors | Reinforced die-cast aluminum alloy brackets with recessed mounting | |
| Leveling feet | Zinc-plated steel stem with non-slip nylon base pad | |
| End caps | Injection-molded impact-resistant ABS plastic | |
| Surface coating | Polyester powder coating, 60 micron thickness | |
| Fastening hardware | Stainless steel hex bolts and lock nuts, M8 size | |
| 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 | 3 individual connected seats without backrest or armrests | |
|---|---|---|
| Floor leveling adjustment | Rotating adjustable feet at each leg end, total 4 adjustment points, 15mm total travel | |
| Floor protection | Nylon base pads on all feet prevent scratching hard floor surfaces, reduce noise when shifting position | |
| Cleaning access | 350mm clear floor clearance allows standard cleaning tools (brooms, mop heads, robotic vacuums) to pass fully under the seat | |
| Modular connection compatibility | Beam end connection points allow extension with additional seat units to form longer rows | |
| Edge safety design | All exposed seat and beam edges are rounded to 10mm radius | |
| Weather resistance for covered outdoor use | Anodized aluminum and powder coated components resist light moisture and humidity | |
| Anti-tip design | Splayed outrigger legs create 500mm wide support base, passes 200N horizontal force anti-tip test per public furniture standards | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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
| Number of packages | 1 | |
|---|---|---|
| Packaging carton dimensions | 1850 x 450 x 150 mm | |
| Gross shipping weight | 25 kg | |
| Packaging volume (CBM) | 0.125 | |
| Required assembly time | 10 minutes | |
| 20ft container loading quantity | 210 units | |
| 40ft HQ container loading quantity | 520 units | |
| Packaging protection | 50mm thick EPS foam edge guards, 5-layer corrugated carton, plastic stretch wrap | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Hospital outpatient waiting areas | Smooth non-porous metal surface allows easy disinfection between users, durable construction withstands 24/7 high-volume use | |
|---|---|---|
| Transit station waiting zones (train/bus/airport) | Backless design allows flexible seating direction, wide support base resists impact from luggage and passenger crowds | |
| Public service hall waiting areas (bank, government office) | Minimalist metallic finish blends with modern public interior design, easy to clean and maintain for daily operation | |
| Covered outdoor waiting shelters | Corrosion-resistant metal construction withstands light rain and humidity without rust or degradation | |
| School and campus public waiting areas | Heavy-duty construction resists rough use, anti-tip design reduces safety risks for student populations | |
| Temporary event seating | Lightweight single-unit construction allows quick repositioning for temporary queuing or event arrangements, no assembly required | |
| 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 | Furniture - Strength, durability and safety - Requirements for non-domestic seating, applicable for heavy-duty public use strength verification | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability, applicable for anti-tip stability testing of this backless bench | |
| EN 13722:2004 | Furniture - Test methods for the assessment of surface resistance to cold liquids, applicable for metal surface stain resistance testing |
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
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable for dimensional tolerance, surface finish and structural strength verification of this bench | |
|---|---|---|
| GB/T 35607-2017 | Public furniture - Seating for waiting areas, applicable for seating ergonomics, safety and durability testing of this public waiting bench |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable for dimensional tolerance, surface finish and structural strength verification of this bench; 2. GB/T 35607-2017: Public furniture - Seating for waiting areas, applicable for seating ergonomics, safety and durability testing of this public waiting bench; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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