| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (open, tablet deployed) | 590 x 820 x 1100 mm | |
|---|---|---|
| Seat height (cushion top to floor) | 455 mm | |
| Center-to-center seat distance (ganged row) | 590 mm | |
| Seat cushion usable size | 480 x 450 mm | |
| Total backrest height (seat pan to headrest top) | 780 mm | |
| Armrest height (top surface to floor) | 700 mm | |
| Foldable writing tablet usable surface | 360 x 270 mm | |
| Minimum recommended row-to-row spacing | 950 mm | |
| Folded depth (seat and tablet stowed) | 575 mm | |
| Aluminum pedestal base footprint per side | 260 x 80 mm | |
| Solid wood armrest trim dimensions | 420 x 80 mm | |
| Seat cushion thickness | 160 mm | |
| Backrest foam thickness (lumbar zone) | 140 mm | |
| Plywood inner shell thickness (seat/back) | 15 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm |
Net weight / load capacity / users / durability
| Net weight per individual seat unit | 28 kg | |
|---|---|---|
| Recommended static user weight capacity | 150 kg | |
| Seat foam density (cold-molded PU) | 65 kg/m³ | |
| Backrest foam density | 50 kg/m³ | |
| Foam rebound rate (high-resilience) | 60% | |
| Seat return damping duration (quiet stow) | 3 s | |
| Mechanical cycle durability (seat tip-up, tablet pivot) | 200000 cycles | |
| Seam stitching pitch (upholstery) | 30 mm | |
| Standard product warranty (structural frame) | 5 years | |
| Available standard upholstery/finish colors | 6 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Floor-mounted support pedestals | 4.0 mm thick die-cast aluminum alloy with matte silver powder coat | |
|---|---|---|
| Seat and back cushion padding | Cold-molded high-resilience polyurethane foam | |
| Upholstery cover (seat, back, side pads) | 1.2 mm thick dark grey PU leather with abrasion-resistant finish | |
| Armrest and back edge trim | Solid light oak wood with clear matte lacquer finish | |
| Inner seat/back structural shells | 15 mm thick multi-layer birch plywood with edge sealing | |
| Foldable writing tablet support pivot | Die-cast aluminum alloy with nylon wear bushings | |
| Writing tablet work surface | High-pressure laminate over plywood core with smooth edge banding | |
| Seat return mechanism | Damped steel spring assembly with rubber impact bumpers | |
| Floor mounting hardware | Zinc-plated steel expansion bolts with anti-corrosion coating | |
| Side ganging connection brackets | 2.5 mm thick powder-coated steel with precision bolted joints | |
| Upholstery upholstery underside lining | Black non-woven polypropylene fabric with flame-retardant treatment | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Tip-up seat operation | Gravity-assisted damped automatic return to stowed vertical position when unoccupied | |
|---|---|---|
| Foldable writing tablet deployment | Pivots horizontally from stored position under armrest to fixed writing height with 7° upward tilt | |
| Fixed floor mounting | Permanent bolt-down installation via pedestal base plates to concrete or raised access floors | |
| Modular row ganging | Interlocking side brackets connect adjacent seats to form continuous straight or curved rows | |
| Ergonomic segmented back support | Separate integrated headrest, upper back, and lumbar zones aligned to natural spine curvature | |
| Quiet operation design | Damped hinges and rubber bumpers on seat and tablet mechanisms eliminate impact noise | |
| Under-seat clearance | 220 mm vertical clearance between stowed seat pan and floor | |
| Optional accessory compatibility | Pre-drilled mounting points for row number plates, aisle LED lights, and under-seat book racks | |
| Upholstery maintenance | Stain-resistant surface coating allows spot cleaning with mild commercial upholstery cleaners | |
| Wood trim protection | Scratch-resistant matte lacquer finish on oak trim resists scuffs from regular arm contact | |
| Writing tablet tilt angle (deployed position) | 7° | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
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
| University lecture halls | Fixed ganged layout with writing tablets supports long classes, note-taking and exam use for students | |
|---|---|---|
| Professional conference auditoriums | Premium wood and aluminum finish matches formal corporate event and conference venue aesthetics | |
| Performing arts theaters and cinemas | Quiet damped operation and ergonomic support suit multi-hour performances without acoustic disruption | |
| Government and institutional assembly halls | Durable fixed mounting and heavy-use construction supports high-traffic official event and public meeting use | |
| Corporate training centers | Integrated writing tablets enable seminar, workshop and training activities without separate desk furniture | |
| Multipurpose school event halls | Tip-up seats maximize aisle space when not in use, supporting mixed seating and standing event configurations | |
| 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 12727:2019 | Furniture - Seating for auditorium and public areas, test methods and requirements | |
|---|---|---|
| EN 1021-1:2014 | Furniture - Assessment of upholstered furniture ignitability (smouldering cigarette) | |
| EN 1021-2:2014 | Furniture - Assessment of upholstered furniture ignitability (match flame equivalent) |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office seating general purpose tests, applicable for reference strength and durability benchmarks | |
|---|---|---|
| ANSI/BIFMA X5.4-2019 | Lounge and public seating standard, applicable to fixed public assembly seating use cases |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to plywood shells and wood trim | |
|---|---|---|
| GB/T 35607-2017 | Public furniture - Seating for auditorium and cinema, applicable to overall performance and safety | |
| GB 20286-2006 | Flame retardant requirements for public venue furniture and components, applicable to upholstery and foam | |
| GB/T 10357.3-2013 | Furniture mechanical performance test for seating strength and durability, applicable to frame and mechanisms |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to plywood shells and wood trim; 2. GB/T 35607-2017: Public furniture - Seating for auditorium and cinema, applicable to overall performance and safety; 3. GB 20286-2006: Flame retardant requirements for public venue furniture and components, applicable to upholstery and foam; 4. GB/T 10357.3-2013: Furniture mechanical performance test for seating strength and durability, applicable to frame and mechanisms; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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