| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions (seat open, tablet deployed) | 590 x 820 x 1080 mm | |
|---|---|---|
| Seat center-to-center spacing | 590 mm | |
| Seat height from finished floor | 450 mm | |
| Seat usable depth | 450 mm | |
| Backrest total height above seat | 630 mm | |
| Armrest height from finished floor | 610 mm | |
| Armrest pad dimensions | 420 x 85 mm | |
| Folding writing tablet dimensions | 360 x 270 x 12 mm | |
| Minimum recommended row spacing for egress | 950 mm | |
| Tablet deploy angle from horizontal | 6.5° | |
| Floor mounting footplate dimensions | 310 x 80 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
| Unit net weight per seat | 28 kg | |
|---|---|---|
| Recommended static user weight capacity per seat | 150 kg | |
| Writing tablet vertical static load capacity | 55 kg | |
| Seat cushion foam density | 60 kg/m³ | |
| Backrest foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seat damped return duration | 3 s | |
| Product warranty period | 8 years | |
| Design service life under normal use | 10 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Red abrasion-resistant woven polyester fabric, double-stitched seams at 8 mm pitch | |
|---|---|---|
| Seat cushion padding | 60 kg/m³ cold-cured high-resilience molded PU foam, 125 mm thick | |
| Backrest padding | 45 kg/m³ cold-cured high-resilience molded PU foam, 135 mm thick | |
| Internal seat/back support frame | 2 mm thick stamped and welded carbon steel frame, powder-coated black | |
| Armrest pads | Solid beech wood cap with painted finish, mounted on steel support brackets | |
| Folding writing tablet | Perforated steel panel with black powder-coated finish, mounted on die-cast aluminum rotating bracket | |
| Floor support legs and columns | 2.5 mm thick rectangular steel tubing, chrome and black powder-coated finish, with galvanized steel footplates | |
| Seat return mechanism | Zinc-plated steel spring with EPDM rubber damping buffers, anti-panic silent operation | |
| Fasteners and floor anchors | Electro-galvanized hex socket expansion bolts with plastic dust caps | |
| Seat underside panel | 1.2 mm thick perforated steel panel with red powder coating, ventilated design | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up operation | Gravity-activated damped automatic return, folds vertically when unoccupied to maximize aisle clearance | |
|---|---|---|
| Writing tablet operation | Rotating fold-out mechanism, stows vertically between seats when not in use, deploys to 6.5° writing angle | |
| Ganged row configuration | Shared central support leg between adjacent seats, pre-aligned for straight or curved row installation | |
| Floor mounting system | 4-point bolted fixed installation to concrete finished floor, no free-standing movement | |
| Noise damping features | Rubber bumpers at seat and tablet pivot points, eliminates impact noise during folding | |
| Modular accessory compatibility | Pre-drilled mounting points for optional cup holders, row number plates, and rear book nets | |
| Fabric performance features | Anti-static, anti-fouling, fade-resistant treated fabric suitable for high-traffic public use | |
| 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
| University lecture halls | Fixed upright seating with integrated writing tablets supports long-duration note-taking for classes and lectures | |
|---|---|---|
| Corporate conference and training centers | Ganged silent-return seating minimizes disruption during meetings and multi-session training events | |
| Government and institutional auditoriums | Durable fixed-row seating with high-wear fabric withstands high daily traffic for official events | |
| Performing arts centers with multi-purpose use | Tip-up seats create extra aisle clearance for events requiring standing or egress during performances | |
| Cinema VIP and screening rooms | Upholstered contoured seating provides comfortable support for 2+ hour screenings, with optional cup holder accessories | |
| 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 13761:2002 | Public seating furniture performance requirements, applicable to auditorium seat structural stability | |
|---|---|---|
| EN 1022:2018 | Furniture seating stability test standard, applicable to fixed floor-mounted seat stability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11:2015 | Public seating performance standard, applicable to static load and durability testing for general use |
|---|
Standards applicable to China-market projects
| GB 18401-2010 | National general safety technical code for textile products, applicable to upholstery fabric safety limits | |
|---|---|---|
| GB 17927.1-2011 | Upholstered furniture flame resistance standard, applicable to fabric and foam flammability requirements | |
| GB/T 26706-2011 | Furniture universal technical standard for soft seating, applicable to structural durability requirements |
This product must meet the following technical requirements: 1. GB 18401-2010: National general safety technical code for textile products, applicable to upholstery fabric safety limits; 2. GB 17927.1-2011: Upholstered furniture flame resistance standard, applicable to fabric and foam flammability requirements; 3. GB/T 26706-2011: Furniture universal technical standard for soft seating, applicable to structural durability requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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