| 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
| Per-seat static weight capacity | 150 kg | |
|---|---|---|
| Single seat unit net weight | 28 kg | |
| Writing tablet static load capacity | 25 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat cushion foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Seam stitch pitch | 8 stitches per 30mm | |
| 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 | Red woven geometric-pattern commercial-grade fabric | |
|---|---|---|
| Cushion core padding | High-resilience polyurethane foam | |
| Armrest surfaces | Stained solid wood with dark mahogany finish | |
| Folding writing tablet | Dark wood-laminated composite board | |
| Structural support frame | 2.5mm thick chrome-plated cold-rolled steel | |
| Side divider panel between seats | Perforated stained wood veneer panel | |
| Floor mounting brackets | Powder-coated steel with anti-slip base pads | |
| Tablet hinge hardware | Zinc-plated steel pivot with tension lock | |
| 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
| Fold-out writing tablet operation | Tablet pivots 90 degrees from stowed vertical position to flat horizontal work surface | |
|---|---|---|
| Ganged row installation | Steel legs align to connect multiple 2-seat units into continuous straight rows | |
| Contoured back support | Segmented horizontal channel stitching provides lumbar and upper back alignment | |
| Perforated side panel ventilation | Evenly spaced perforations in inter-seat divider allow air circulation between seats | |
| Bolt-down floor fixation | Pre-drilled base plates secure units to sloped or flat auditorium floors | |
| Fold-away tablet storage | Tablet flips upward to nest flush with armrest when not in use to free aisle access | |
| 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 movie theater auditoriums | Durable upholstery and fixed row layout supports high daily visitor throughput | |
|---|---|---|
| University lecture halls | Integrated writing tablet supports note-taking during classes and examinations | |
| Conference and assembly halls | Formal uniform appearance suits corporate and government meeting spaces | |
| Performing arts theaters | Perforated side panels support room acoustic performance for live events | |
| Corporate training rooms | Stain-resistant commercial fabric supports regular cleaning and maintenance | |
| 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
| Applicable standard EN 12727:2000 | Strength and durability requirements for public seating, applicable to structural load testing | |
|---|---|---|
| Applicable standard EN 1022:2018 | Stability testing for seating furniture, applicable to fixed bolt-down installation | |
| Applicable standard EN 13501-1:2018 | Fire classification of upholstered furniture, applicable to fabric and foam flammability |
Standards applicable to China-market projects
| Applicable standard GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood armrest and panel components | |
|---|---|---|
| Applicable standard GB 28007-2011 | Safety requirements for children and adult public seating, applicable to structural stability | |
| Applicable standard GB/T 19889.3-2005 | Acoustic performance measurement for auditorium seating, applicable to room acoustic design | |
| Applicable standard GB 18580-2017 | Formaldehyde emission limits for wood-based panels, applicable to composite wood components |
This product must meet the following technical requirements: 1. Applicable standard GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood armrest and panel components; 2. Applicable standard GB 28007-2011: Safety requirements for children and adult public seating, applicable to structural stability; 3. Applicable standard GB/T 19889.3-2005: Acoustic performance measurement for auditorium seating, applicable to room acoustic design; 4. Applicable standard GB 18580-2017: Formaldehyde emission limits for wood-based panels, applicable to composite wood components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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