| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 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
| Single seat static load capacity | 150 kg | |
|---|---|---|
| Net weight per single seat | 18 kg | |
| Recommended maximum occupancy per two-seat unit | 2 persons | |
| Seat cushion rebound rate | 45% | |
| Fabric abrasion resistance | 50000 cycles | |
| Floor mount pull-out resistance | 800 kg | |
| Standard warranty period | 5 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Blue fire-retardant woven fabric | |
|---|---|---|
| Internal seat/back cushion foam | 40mm thick medium-density polyurethane foam | |
| Support frame and legs | 2mm thick powder-coated black steel | |
| Armrests | Injection-molded black hard polyurethane plastic | |
| Floor mounting plates | 5mm thick black steel with pre-drilled anchor holes | |
| Seat return mechanism | Gravity-tilt steel hinge with self-lowering function | |
| Inner seat pan | 1.2mm thick perforated steel plate | |
| Armrest support brackets | 3mm thick powder-coated black steel | |
| 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
| Seat tilting function | Gravity-operated self-return tip-up seat, 90-degree upfold for aisle clearance | |
|---|---|---|
| Floor mounting | Fixed bolt-down installation to concrete or raised access floors | |
| Modular row connection | Adjacent units connect via shared leg brackets for continuous row layout | |
| Back support feature | Contoured high back provides full lumbar and upper back support for long events | |
| Armrest function | Fixed wide armrests support forearm weight during prolonged seating | |
| Seat damping function | Integrated buffer in hinge prevents slamming when seat returns to vertical | |
| 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
| Cinema and theater auditoriums | Fixed row seating with tip-up seats optimizes aisle clearance for high-capacity screening venues | |
|---|---|---|
| School and university lecture halls | Durable fixed construction withstands daily high-frequency student use | |
| Corporate conference centers | Neat uniform appearance and ergonomic support suits formal multi-hour events | |
| Multipurpose public assembly halls | Tip-up seat allows flexible space conversion for standing events between seated programs | |
| Government and public council chambers | Formal upholstered design meets professional public meeting space requirements | |
| 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 durability recommendation | EN 12727:2000, strength and durability for public seating, severity level 4 for high-traffic auditoriums | |
|---|---|---|
| Upholstery flammability recommendation | EN 1021:2014, cigarette ignition resistance for upholstered furniture |
Standards applicable to China-market projects
| Upholstery flammability recommendation | GB 20286fire retardant grade B1 for public venue upholstered furniture | |
|---|---|---|
| Structural safety recommendation | GB/T 3326dimensional and structural stability requirements for furniture seating |
This product must meet the following technical requirements: 1. Upholstery flammability recommendation: GB 20286fire retardant grade B1 for public venue upholstered furniture; 2. Structural safety recommendation: GB/T 3326dimensional and structural stability requirements for furniture seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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