| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 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
| Unit total weight (2 seats) | 48 kg | |
|---|---|---|
| Static load per seat | 150 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Writing tablet static load capacity | 25 kg | |
| Seat tip-up mechanism cycle life | 50000 cycles | |
| Recommended number of users | 2 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Blue woven polyester fabric, 300g/m² weight | |
|---|---|---|
| Cushion core | High resilience polyurethane foam, 60mm thickness | |
| Armrest caps | Stained solid beech wood, high-gloss lacquer finish | |
| Structural frame | 2.0mm thick powder-coated carbon steel | |
| Seat underside back panel | Injection-molded black polypropylene, vented grille design | |
| Writing tablet surface | High-pressure matte white laminate, 12mm thickness | |
| Writing tablet support arm | 1.5mm thick black powder-coated steel | |
| Internal seat support pan | 1.2mm thick cold-rolled steel plate | |
| 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up mechanism | Gravity-activated automatic return, folds upright when unoccupied | |
|---|---|---|
| Side writing tablet | Fold-away swivel design, rotates out from right armrest for use | |
| Floor mounted installation | Permanent bolt-down fixed leg brackets, secured to venue flooring | |
| Connected row configuration | Modular interlocking design, connects to adjacent seat units | |
| Contoured lumbar support | Molded backrest with raised central lumbar zone | |
| Upholstery seam construction | Double-stitched vertical panel seams, 8mm stitch pitch | |
| Vented rear seat panel | Grille-patterned PP back panel, allows air circulation | |
| 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
| Cinema and theater venues | Fixed row installation for multi-guest viewing, provides egress space with tip-up seats | |
|---|---|---|
| University lecture halls | Integrated writing tablet supports note-taking and laptop use during classes | |
| Corporate conference auditoriums | Professional blue upholstery fits formal event and presentation spaces | |
| Government assembly halls | Bolt-down fixed installation meets public venue security and stability requirements | |
| Performing arts centers | Contoured padded seating provides guest comfort for multi-hour performances | |
| Training center classrooms | Folding tablet supports training materials and exam writing for education programs | |
| 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
| Auditorium seating safety | EN 12727:2000 | |
|---|---|---|
| Upholstered furniture flame retardancy | EN 1021:2014 | |
| Furniture surface durability | EN 14434:2004 |
Standards applicable to China-market projects
| Public seating safety requirement | GB/T 35458 | |
|---|---|---|
| Furniture fabric flame retardancy | GB 20286 | |
| Steel frame coating performance | GB/T 1993 |
This product must meet the following technical requirements: 1. Public seating safety requirement: GB/T 35458; 2. Furniture fabric flame retardancy: GB 20286; 3. Steel frame coating performance: GB/T 1993; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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