| 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 (seat open) | 590 x 760 x 1080 mm | |
|---|---|---|
| Seat center distance per row | 580 mm | |
| Seat height above finished floor | 460 mm | |
| Seat inner usable width | 490 mm | |
| Seat usable depth (open position) | 485 mm | |
| Folded seat depth (tip-up closed) | 180 mm | |
| Armrest height above finished floor | 620 mm | |
| Armrest component dimensions | 330 x 75 x 32 mm | |
| Backrest panel dimensions | 520 x 765 x 18 mm | |
| Seat underside panel dimensions | 465 x 425 x 13 mm | |
| Round floor mounting base diameter | 350 mm | |
| Recommended minimum row spacing | 1100 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 chair static load capacity | 260 kg | |
|---|---|---|
| Net weight per assembled seat | 35 kg | |
| Tip-up hinge mechanism cycle life | 100000 cycles | |
| Seat cushion foam density | 60 kg/m³ | |
| Back cushion foam density | 55 kg/m³ | |
| Seat cushion foam thickness | 140 mm | |
| Back cushion foam thickness | 135 mm | |
| Upholstery fabric abrasion resistance | 50000 Martindale cycles | |
| Metal frame salt spray resistance | 18 hours | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Commercial blue woven polyester fabric, abrasion-resistant, optional flame-retardant/antistatic treatment | |
|---|---|---|
| Seat cushion padding | Cold-molded high-resilience PU foam, 140mm thick, 60kg/m³ density | |
| Back cushion padding | Cold-molded high-resilience PU foam, 135mm thick, 55kg/m³ density | |
| Armrest and side panels | Light oak finished 7-layer bent hardwood, 18mm thick, baked clear lacquer finish | |
| Seat underside perforated panel | 13mm thick bent plywood with uniform acoustic vent holes, light oak veneer | |
| Central support pedestal | 2.2mm thick cold-rolled steel, black electrostatic powder-coated finish | |
| Round floor mounting plate | 4mm thick steel with black powder coat, pre-drilled for concrete floor anchor bolts | |
| Tip-up hinge mechanism | Zinc-plated steel hinge with double torsion spring and hydraulic damper for quiet return | |
| Seam stitching for upholstery | Polyester bonded thread, 8 stitches per 30mm seam length | |
| Wood panel adhesive and finish | Low-formaldehyde adhesive, formaldehyde emission <1.5mg/L, clear UV-cured lacquer | |
| 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
| Tip-up seat operation | Spring-damped gravity return, seat lifts automatically to vertical position when unoccupied to clear aisle space | |
|---|---|---|
| Quiet seat return | Integrated hydraulic damper reduces return speed to eliminate impact noise during row use | |
| Fixed floor installation | Round base plate secures to finished floor with expansion bolts, no movement or swivel during use | |
| Acoustic performance | Perforated bentwood seat underside provides sound absorption to reduce echo in large assembly spaces | |
| Ergonomic back support | 10-degree fixed recline angle for extended seated comfort during lectures or performances | |
| Integrated fixed armrests | Closed-loop bentwood armrests provide stable upper extremity support with open recess for personal item storage | |
| Customization compatibility | Supports optional add-ons including row number plates, cup holders, and fold-out writing tablets | |
| Color selection | Fabric and wood finish can be customized to match venue interior design requirements | |
| 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
| Lecture hall and university classroom seating | Fixed row configuration with tip-up seats provides organized seating and clear egress for academic spaces | |
|---|---|---|
| Cinema and performance theater seating | Ergonomic cushion support and quiet return mechanism suit extended viewing use in auditoriums | |
| Corporate conference and assembly hall seating | Professional bentwood and blue fabric aesthetic fits formal meeting and company event spaces | |
| Government and public institution auditorium seating | Stable floor-mounted structure meets public venue safety and heavy-use requirements | |
| School auditorium and multi-purpose hall seating | Robust construction and easy aisle access suit daily student use for events and assemblies | |
| Recommended installation layout | Arrange in straight or curved rows with 1100mm minimum spacing between rows for accessible egress | |
| Floor preparation requirement | Install on level concrete or raised access flooring with pre-marked anchor positions for base plates | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 13761:2002 | Applicable for strength, stability and durability requirements for public seating furniture | |
|---|---|---|
| EN 1021-1:2014 | Applicable for upholstered furniture ignitability resistance to smoldering cigarette sources | |
| EN 1021-2:2014 | Applicable for upholstered furniture ignitability resistance to match flame sources |
Standards applicable to China-market projects
| GB 18584-2001 | Applicable for formaldehyde emission limits for wood-based panel components used in indoor furniture | |
|---|---|---|
| GB 18581-2001 | Applicable for harmful substance limits of solvent-based wood coatings on bentwood parts | |
| GB/T 3325-2017 | Applicable for metal furniture structural strength and coating durability requirements for steel pedestal | |
| GB 8624-2012 | Applicable for flame retardancy classification of upholstery fabric and foam for public venue use | |
| GB/T 20247-2006 | Applicable for acoustic absorption performance testing of perforated wood panels |
This product must meet the following technical requirements: 1. GB 18584-2001: Applicable for formaldehyde emission limits for wood-based panel components used in indoor furniture; 2. GB 18581-2001: Applicable for harmful substance limits of solvent-based wood coatings on bentwood parts; 3. GB/T 3325-2017: Applicable for metal furniture structural strength and coating durability requirements for steel pedestal; 4. GB 8624-2012: Applicable for flame retardancy classification of upholstery fabric and foam for public venue use; 5. GB/T 20247-2006: Applicable for acoustic absorption performance testing of perforated wood panels; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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