| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Single seat overall dimensions | 570 x 710 x 1010 mm | |
|---|---|---|
| Center-to-center seat spacing | 570 mm | |
| Seat height above finished floor | 450 mm | |
| Armrest height above finished floor | 620 mm | |
| Armrest width per unit | 80 mm | |
| Inner seat clear width | 490 mm | |
| Round pedestal base diameter | 350 mm | |
| Pedestal column height | 230 mm | |
| Backrest total height above seat | 560 mm | |
| Seat cushion depth | 450 mm | |
| Writing tablet deployed dimensions | 318 x 283 x 18 mm | |
| Minimum recommended 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
| Single unit net weight | 28 kg | |
|---|---|---|
| Recommended static seat load capacity | 150 kg | |
| Seat cushion foam density | 55 kg/m³ | |
| Backrest foam density | 50 kg/m³ | |
| Foam rebound rate | 50% | |
| Seat return mechanism cycle rating | 50000 cycles | |
| Seat return operating noise level | 8 dB | |
| Fabric abrasion resistance | 80000 cycles | |
| Seat modesty panel sound absorption coefficient | 0.5 | |
| Standard product warranty | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Red woven polyester fabric, anti-fading treatment optional | |
|---|---|---|
| Seat cushion padding | Cold-cured high-density PU foam, compression set ≤8% | |
| Backrest padding | Cold-cured high-density PU foam, ergonomic curved molded form | |
| Armrest tops | 30mm thick solid beech hardwood, 6-step polyurethane paint finish | |
| Seat outer modesty panel | 13mm thick multi-layer plywood, beech veneer, perforated acoustic holes | |
| Backrest outer panel | 17mm thick multi-layer plywood, beech veneer, painted finish | |
| Internal support frame | 2.0mm thick cold-rolled steel, phosphated and powder-coated anti-rust | |
| Floor pedestal base | 2.0mm thick perforated black powder-coated steel, round mounting plate | |
| Stowed writing tablet | 18mm thick high-density hardwood core panel, aluminum alloy pivot support | |
| Installation fasteners | Hex socket expansion screws, anti-rust electrostatic spray finish | |
| Seat pivot bushings | Glass-fiber reinforced PP polymer, silent self-lubricating design | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up mechanism | Damped gravity automatic return, 1.5s return time, silent operation | |
|---|---|---|
| Writing tablet deployment | Rotates out from under-arm storage compartment, 6.5° upward writing tilt | |
| Floor mounting system | Fixed bolt-down installation to concrete raised auditorium floors | |
| Ganged row linking | Aligned connected unit configuration for straight or curved row layouts | |
| Acoustic modesty panel | Perforated wood panel below seat absorbs reflected venue sound | |
| Upholstery treatment options | Factory-applied flame-retardant, anti-static, anti-fouling finishes available | |
| Seat ergonomics | Contoured tilted backrest provides lumbar support for 2+ hour seated events | |
| 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
| Single unit carton dimensions | 750 x 650 x 450 mm | |
|---|---|---|
| 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 note-taking during classes | |
|---|---|---|
| Corporate conference auditoriums | Silent seat return and acoustic panels support professional meeting environments | |
| Performing arts theaters | Ergonomic contouring supports multi-hour viewing comfort for audiences | |
| Government and institutional meeting halls | Fixed floor mounting provides secure, low-maintenance seating for public events | |
| School multi-purpose assembly halls | Stowable tablets and tip-up seats flexibly support assemblies, exams and events | |
| 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
| Office and public seating strength stability | EN 12727:2000 | |
|---|---|---|
| Reaction to fire for upholstered furniture | EN 1021/2 (cigarette/match ignition) |
Standards applicable to China-market projects
| Furniture panel formaldehyde emission | GB 18584≤1.5mg/L | |
|---|---|---|
| Adhesive TVOC emission limit | GB 18583≤110g/L |
This product must meet the following technical requirements: 1. Furniture panel formaldehyde emission: GB 18584≤1.5mg/L; 2. Adhesive TVOC emission limit: GB 18583≤110g/L; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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