| 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 per-seat dimensions (tablet deployed) | 580 x 760 x 1030 mm | |
|---|---|---|
| Seat center-to-center distance | 580 mm | |
| Finished seat height above floor | 450 mm | |
| Seat inner usable width | 490 mm | |
| Seat cushion usable depth | 555 mm | |
| Writing tablet dimensions | 300 x 260 x 25 mm | |
| Stanchion total height from floor | 735 mm | |
| Anchor base plate mounting hole spacing | 295 mm | |
| Backrest total height above seat | 580 mm | |
| Backrest panel thickness | 12 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
| Per-seat net weight | 25 kg | |
|---|---|---|
| Recommended static user load per seat | 150 kg | |
| Seat cushion foam density | 65 kg/m³ | |
| Backrest foam density | 60 kg/m³ | |
| Seat cushion foam maximum thickness | 85 mm | |
| Backrest foam maximum thickness | 80 mm | |
| Upholstery fabric abrasion resistance | 100000 Martindale cycles | |
| Seat return mechanism noise level | 30 dB | |
| Writing tablet static load capacity | 50 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame and armrest construction | 5 mm thick die-cast aluminum alloy with powder-coated silver finish | |
|---|---|---|
| Support cross beam | 80 x 40 x 1.8 mm cold-rolled steel tube, hot-dip galvanized internal treatment | |
| Seat inner support panel | 16 mm thick E1 grade laminated plywood, edge-banded | |
| Backrest inner support panel | 12 mm thick E1 grade laminated plywood, edge-banded | |
| Upholstery fabric | Woven polyester fabric, green, flame-retardant treated, anti-fouling finish | |
| Seat and back padding | High-resilience cold-cured polyurethane foam, CFC-free | |
| Writing tablet surface | 25 mm thick high-density fiberboard with high-pressure laminate top | |
| Seat tilt hinge components | Zinc-plated steel hinge with polymer damping bushing | |
| Floor anchor hardware | Stainless steel expansion bolts with rubber anti-slip gaskets | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up mechanism | Gravity-operated damped automatic return, folds vertically when unoccupied | |
|---|---|---|
| Side writing tablet operation | Rotating fold-out mechanism, deploys horizontally from armrest stow position | |
| Floor mounting method | Permanent fixed anchor to tiered concrete or raised access floors | |
| Row configuration flexibility | Ganged in continuous multi-seat rows, configurable 6seats per row unit | |
| Damped seat return | Hydraulic/polymer damping slows seat closure to eliminate slamming noise | |
| Sightline optimization | Tiered stepped row installation aligns backrests for unobstructed forward view | |
| Tablet stowage | Rotates flush to side panel when not in use, no protruding parts in walkway | |
| Seat lock in folded position | Magnetic retainer holds seat in vertical position 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 | |
| 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
| Tiered university lecture halls | Fixed floor installation for unobstructed sightlines and high-density seating | |
|---|---|---|
| Corporate training auditoriums | Durable construction with quiet operation for all-day training sessions | |
| K-12 school multi-purpose halls | Stain-resistant green upholstery and damped hinges suit daily student use | |
| Government conference halls | Formal aluminum frame finish and robust structure for official public meetings | |
| Hospital and institutional lecture spaces | Easy-to-clean surfaces and flame-retardant materials meet public space codes | |
| Staggered stepped installation layouts | Designed for floor elevation offsets of 150 mm per row | |
| 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 for auditoria, test methods for strength and durability | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture – Ignitability by smouldering cigarette | |
| EN 1021-2:2014 | Upholstered furniture – Ignitability by match flame equivalent |
Standards applicable to China-market projects
| GB 20286-2006 | Flame retardant requirements for public place furniture and components | |
|---|---|---|
| GB 18580-2017 | Formaldehyde emission limits for wood-based panels, E1 grade requirement |
This product must meet the following technical requirements: 1. GB 20286-2006: Flame retardant requirements for public place furniture and components; 2. GB 18580-2017: Formaldehyde emission limits for wood-based panels, E1 grade requirement; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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