| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (tablet open) | 590 x 880 x 1040 mm | |
|---|---|---|
| Center-to-center arm spacing (single unit width) | 590 mm | |
| Seat height from finished floor | 460 mm | |
| Backrest total height from seat surface | 600 mm | |
| Armrest height from finished floor | 640 mm | |
| Overall depth (seat and tablet closed) | 760 mm | |
| Retractable writing tablet usable surface | 340 x 255 mm | |
| Seat usable depth | 450 mm | |
| Armrest cap width | 85 mm | |
| Floor mount base plate size (per leg) | 150 x 100 mm | |
| Recommended minimum row-to-row spacing | 900 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
| Net weight per assembled chair | 29 kg | |
|---|---|---|
| Gross shipping weight per chair | 30 kg | |
| Recommended maximum static user load | 150 kg | |
| Seat foam density | 60 kg/m³ | |
| Backrest foam density | 45 kg/m³ | |
| Seat cushion thickness | 130 mm | |
| Backrest cushion thickness | 40 mm | |
| Fabric abrasion resistance (Martindale) | 50000 cycles | |
| Tablet static load capacity | 30 kg | |
| Product warranty period | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Orange commercial woven fabric, flame-retardant, stain-resistant finish | |
|---|---|---|
| Seat cushion padding | Cold-molded high-resilience PU foam, 60kg/m³ density | |
| Backrest padding | Cold-molded PU foam, 45kg/m³ density, contoured lumbar support | |
| Armrest caps | 29mm thick light solid beech wood, clear polyester coating | |
| Structural leg and stanchion frame | 2.0mm thick cold-rolled square steel tube, powder-coated polished silver finish | |
| Writing tablet support arm | Aluminum alloy alloy, anti-panic fold-away hinge mechanism | |
| Writing tablet panel | 15mm thick E1 high-density fiberboard, PU edge banding, matte black finish | |
| Seat and back outer shell | 15mm thick hardwood plywood, sound-absorbing backing, fabric-wrapped sides | |
| Seat return mechanism | Damped steel spring mechanism, slow quiet automatic tip-up | |
| Seam stitching | High-tenacity polyester thread, 8mm stitch pitch for heavy-duty upholstery | |
| 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
| Automatic tip-up seat | Spring-damped gravity return, lifts to vertical position when unoccupied to clear aisle space | |
|---|---|---|
| Retractable writing tablet | Swing-out arm-mounted tablet, anti-panic release, folds flush into armrest when not in use | |
| Fixed floor mounting | Pre-drilled base plates, bolted to finished tiered floor, ganged in continuous rows for permanent installation | |
| Row ganging capability | Integrated steel connecting brackets, joins adjacent units to eliminate row gaps and improve structural rigidity | |
| Sound-dampening seat operation | Nylon pivot bushings, damped return mechanism eliminates impact noise during seat lifting and lowering | |
| Optional accessory mounting points | Pre-punched mounts for row number plates, cup holders, and rear book nets per venue requirements | |
| Tablet position lock | Positive detent lock holds tablet in horizontal use position, releases automatically under emergency egress pressure | |
| Backrest recline angle from vertical | 20 degrees | |
| 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
| Shipping carton dimensions per unit | 750 x 600 x 500 mm | |
|---|---|---|
| Gross shipping weight per carton | 30 kg | |
| 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 row installation with tablet surface supports extended note-taking and exam use for students | |
|---|---|---|
| Corporate training and conference centers | Durable commercial construction supports daily multi-session training and event use | |
| Theater and performing arts venues | Upholstered padded construction delivers comfort for 2+ hour performances and events | |
| Government and institutional assembly halls | Fixed floor mount and formal aesthetic matches formal meeting and public hearing requirements | |
| Tiered multi-purpose auditoriums | Tip-up seat and stowed tablet maximize aisle clearance for high-occupancy event turnover | |
| Public training institutions | Stain-resistant fabric and durable mechanism withstand high-frequency public use | |
| 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 12727:2016 | Strength, durability and safety requirements for fixed auditorium and lecture hall seating | |
|---|---|---|
| EN 1021-1/2:2014 | Upholstered furniture ignitability test standards for smoldering cigarette and match flame | |
| EN 13761:2003 | Ergonomic dimensions and performance requirements for public seating used in assembly spaces |
Standards applicable to China-market projects
| GB 20286-2006 | Requirements for flame retardant performance of public place seating upholstery components | |
|---|---|---|
| GB/T 3324-2017 | General technical requirements for metal-framed public furniture durability and safety | |
| GB/T 10357.3-2013 | Test method for strength and durability of chair seat and backrest structures |
This product must meet the following technical requirements: 1. GB 20286-2006: Requirements for flame retardant performance of public place seating upholstery components; 2. GB/T 3324-2017: General technical requirements for metal-framed public furniture durability and safety; 3. GB/T 10357.3-2013: Test method for strength and durability of chair seat and backrest structures; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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