| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 720 x 1050 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 product weight | 28 kg | |
|---|---|---|
| Recommended static seat load | 150 kg | |
| Durability cycle rating for seat mechanism | 100000 tip-up cycles | |
| Recommended maximum user weight | 120 kg | |
| Seat tip-up return time | 3 seconds | |
| Fabric abrasion resistance | 50000 Martindale cycles | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Woven polyester fabric, commercial grade, orange color | |
|---|---|---|
| Internal padding | High-density polyurethane foam, 45kg/m3 density | |
| Armrests and back trim | Solid beech wood with dark red mahogany stain finish, 20mm thickness | |
| Pedestal support column | 2mm thick cold-rolled steel, black powder-coated finish | |
| Floor mounting base plate | 3mm thick circular steel plate, black powder-coated, pre-drilled for floor anchors | |
| Ventilation grille on pedestal | Perforated steel mesh, black epoxy finish, 10mm hole diameter | |
| Seat hinge hardware | Galvanized steel hinge with gravity return mechanism | |
| Internal seat and back frame | 15mm thick multi-layer plywood, glued and stapled for upholstery attachment | |
| 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 operation | Gravity-activated automatic tip-up seat, returns to vertical position when unoccupied | |
|---|---|---|
| Installation type | Permanent floor-mounted pedestal base, secured with 4 expansion bolts per chair | |
| Back support function | Ergonomic fixed-angle upright backrest, 105 degree recline from seat surface | |
| Row configuration | Modular design allowing ganged installation in continuous rows, with optional shared armrests | |
| Aisle access function | Tip-up seat provides 300mm clear aisle width per seat when in stored position | |
| Armrest utility | Solid flat wooden armrests with optional integrated cup holder or writing tablet mounting points | |
| 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
| Packaging carton dimensions | 720 x 580 x 620 mm | |
|---|---|---|
| Gross shipping weight per chair | 32 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
| Auditorium installation | Suitable for indoor theater, cinema and performance hall fixed seating rows | |
|---|---|---|
| Conference hall use | Ideal for government and corporate large conference room audience seating | |
| Lecture hall application | Appropriate for university and school lecture hall tiered seating | |
| Government venue use | Suitable for courtrooms, assembly halls and official meeting venues | |
| Recommended mounting surface | Installed on concrete or raised access floors with appropriate anchor hardware | |
| Seating row spacing recommendation | 900mm minimum row-to-row spacing for comfortable legroom and egress | |
| 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
| Seating safety standard | EN 12727:2000 | |
|---|---|---|
| Upholstery flammability standard | EN 1021:2006 | |
| Metal coating standard | EN 10130:2006 |
Standards applicable to China-market projects
| Flammability requirement | GB 20286 | |
|---|---|---|
| Structural safety requirement | GB/T 3324 | |
| Hardware durability requirement | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Flammability requirement: GB 20286; 2. Structural safety requirement: GB/T 3324; 3. Hardware durability requirement: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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