| 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
| Unit net weight | 48 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Fabric abrasion resistance | 50000 cycles | |
| Seat tip-up mechanism cycle life | 30000 cycles | |
| Recommended row spacing | 900 mm | |
| Seating capacity per unit | 2 persons | |
| 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 | Fire-retardant polyester fabric | |
|---|---|---|
| Seat core padding | High-density cold-cured polyurethane foam | |
| Structural support frame | 2.0mm thick powder-coated steel | |
| Armrest top surface | Solid beech wood with clear varnish | |
| Armrest support bracket | Die-cast aluminum alloy | |
| Seat hinge mechanism | Zinc-plated steel with gravity return | |
| Side panel | 12mm thick black ABS plastic | |
| Inter-seat divider trim | Black PVC edge binding | |
| 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
| Gravity tip-up seat | Automatic return to upright position when unoccupied, no manual latch required | |
|---|---|---|
| Flip-up writing tablet | Stowed vertically when not in use, locks in horizontal position for writing | |
| Floor-mounted fixed installation | Secured to concrete or raised venue floor via expansion bolts on T-base feet | |
| Row-linking connection | Adjacent units connect via integrated side brackets to form continuous seating rows | |
| Ergonomic lumbar support | Contoured backrest shape provides lower back support during long events | |
| Anti-pinch seat hinge | Covered pivot mechanism prevents finger entrapment during seat movement | |
| 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 venues | Fixed row seating with tip-up seats for maximum aisle clearance during events | |
|---|---|---|
| School auditoriums and lecture halls | Integrated writing tablets support note-taking during lectures and assemblies | |
| Conference centers and assembly halls | Durable upholstery and high load rating suit frequent high-capacity events | |
| Government and corporate event spaces | Formal red fabric finish matches formal venue decor requirements | |
| Stadium VIP seating areas | Comfortable padding and armrests provide premium seating experience for guests | |
| 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
| Furniture mechanical safety | EN 12727:2019 | |
|---|---|---|
| Office/public seating stability | EN 1022:2018 | |
| Upholstered furniture flammability | EN 1021:2014 |
Standards applicable to China-market projects
| Public seating structural requirement | GB/T 35452 | |
|---|---|---|
| Fire safety for interior materials | GB 20286 | |
| Formaldehyde emission limit | GB 18580 |
This product must meet the following technical requirements: 1. Public seating structural requirement: GB/T 35452; 2. Fire safety for interior materials: GB 20286; 3. Formaldehyde emission limit: GB 18580; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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