| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
No corrections yet. Use the flag at the end of a row to report an issue. | ||||
Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions per seat (tablet open) | 580 x 785 x 1010 mm | |
|---|---|---|
| Seat center-to-center spacing | 580 mm | |
| Seat height above finished floor | 460 mm | |
| Closed depth (tablet retracted, seat up) | 575 mm | |
| Clear seat inner width | 490 mm | |
| Backrest total height | 760 mm | |
| Writing tablet deployed size | 290 x 283 mm | |
| Writing tablet thickness | 18 mm | |
| Armrest width | 80 mm | |
| Mounting base plate length | 320 mm | |
| Mounting hole center spacing | 225 mm | |
| Perforated side panel thickness | 18 mm | |
| Back foam thickness | 135 mm | |
| Seat foam thickness | 150 mm | |
| Seat cushion depth (usable) | 425 mm | |
| Steel stanchion tube size | 40 x 80 mm |
Net weight / load capacity / users / durability
| Net weight per seat | 28 kg | |
|---|---|---|
| Recommended static user load | 150 kg | |
| Writing tablet static load capacity | 50 kg | |
| Seat auto-return cycle durability | 50000 cycles | |
| Seat return operating noise | 8 dB | |
| Perforated panel sound absorption coefficient | 0.5 | |
| Standard product warranty | 5 years | |
| Standard available upholstery color count | 12 | |
| Seat return damper adjustment time | 1.5 seconds | |
| Hardware salt spray resistance rating | 9Grade |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Wear-resistant linen-blend fabric, 300g/m², optional flame-retardant treatment | |
|---|---|---|
| Headrest upper panel | Black matte PU leather, abrasion-resistant, stain-resistant | |
| Seat cushion foam | High-density cold-cure PU foam, 55kg/m³ density, 40% rebound rate | |
| Backrest foam | High-density cold-cure PU foam, 60kg/m³ density, supportive contour molding | |
| Structural support frame | 2.2mm thick cold-rolled steel, phosphated anti-rust, powder-coated black finish | |
| Armrest top surface | Solid beech wood, 25mm thick, 5-coat polyurethane lacquer finish | |
| Side modesty/acoustic panel | 18mm thick multi-layer wood composite, perforated, wood veneer finish | |
| Folding writing tablet | 18mm thick melamine-laminated steel core panel, integrated pen slot | |
| Upholstery seam pitch | 30 mm | |
| Mounting hardware | Galvanized steel expansion bolts, plastic decorative cover caps | |
| Outer back panel | 18mm thick molded multi-layer hardboard, wood veneer matching side panels | |
| Seat outer bottom panel | 13mm thick perforated multi-layer board, honeycomb acoustic holes |
Adjustment / rotation / tilt / mobility / storage features
| Seat auto-return mechanism | Concealed gravity-damper hinge, lifts seat to vertical when unoccupied | |
|---|---|---|
| Writing tablet operation | Rotates 90 degrees from stored armrest position to horizontal writing surface | |
| Floor mounting system | Fixed to concrete slab via 4 expansion bolts per stanchion, no floor damage beyond holes | |
| Ganged row alignment | Modular connecting brackets align adjacent seats for uniform straight rows | |
| Acoustic performance design | Perforated side and seat panels reduce echo, 0.5 sound absorption coefficient | |
| Soft-close seat return | Adjustable damper eliminates impact noise, 1.5s return time | |
| Ergonomic back support | Contoured high back with separate headrest zone supports full adult spine | |
| Optional accessory compatibility | Pre-drilled mounts for row number plates, cup holders, under-seat book nets | |
| Tablet retraction lock | Positive detent holds tablet flush in armrest when not in 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 |
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
| Academic lecture halls | Fixed ganged layout with writing tablets supports note-taking during presentations | |
|---|---|---|
| School auditoriums and assembly halls | Durable construction withstands daily student use, acoustic panels reduce echo | |
| Corporate conference centers | Formal professional appearance, uniform row alignment for large events | |
| Small to mid-sized performance theaters | Comfortable upholstery for 3 hour events, clear sightlines from elevated seat position | |
| Government meeting chambers | Fixed permanent installation, compliant with public procurement durability standards | |
| Church sanctuary seating | Available in custom fabric colors, optional book net for hymnals and materials | |
| 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 12727:2000 | Strength/durability requirements for ranked auditorium seating | |
|---|---|---|
| EN 1021-1:2006 | Upholstered furniture cigarette ignition resistance, standard fire safety | |
| EN 13722:2004 | Acoustic performance measurement for furniture in assembly spaces |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | Standard for large public occupancy seating structural performance |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood panel components | |
|---|---|---|
| GB 18584-2001 | Formaldehyde emission limit for wood-based furniture indoor materials, ≤1.5mg/L | |
| GB/T 24821-2009 | General technical requirements for public venue seating, structural safety baseline | |
| GB 20286-2006 | Flame retardant requirements for public place upholstered furniture, optional project spec | |
| GB 18583-2008 | VOC limit for assembly adhesives, ≤110g/L for indoor use |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood panel components; 2. GB 18584-2001: Formaldehyde emission limit for wood-based furniture indoor materials, ≤1.5mg/L; 3. GB/T 24821-2009: General technical requirements for public venue seating, structural safety baseline; 4. GB 20286-2006: Flame retardant requirements for public place upholstered furniture, optional project spec; 5. GB 18583-2008: VOC limit for assembly adhesives, ≤110g/L for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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