| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 780 x 1020 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
| Product net weight | 28 kg | |
|---|---|---|
| Recommended user weight capacity | 150 kg | |
| Writing tablet static load capacity | 30 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Seat cyclic folding durability | 50000 cycles | |
| Tablet cyclic folding durability | 30000 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Woven polyester fabric | |
|---|---|---|
| Seat and back padding | High-resilience polyurethane foam | |
| Armrest top surface | Walnut grain wood veneer over MDF core | |
| Vented side panel | Perforated wood veneer panel | |
| Structural support frame | Die-cast aluminum alloy with silver powder coat | |
| Folding writing tablet | Matte black ABS plastic | |
| Floor mounting feet | Cast aluminum with anti-slip rubber pads | |
| Tablet hinge mechanism | Zinc alloy die-cast hinge | |
| 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 automatic return | Spring-loaded gravity folding seat | |
|---|---|---|
| Folding writing tablet | Rotating tablet folds flush into armrest when not in use | |
| Fixed floor mounting | Permanent bolt-down installation to raised auditorium flooring | |
| Row alignment compatibility | Designed for ganged consecutive row installation | |
| Vented side panel | Perforated wood panel provides air circulation | |
| Cushion ergonomic support | Contoured seat and back with lumbar shaping | |
| Noise damping design | Upholstered panels and rubber contact 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
| 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 and theater spaces | Fixed row installation for lecture halls, cinemas and performance venues | |
|---|---|---|
| Conference and training venues | Suitable for corporate training rooms and board conference centers | |
| Educational institution lecture halls | Ideal for university and college large lecture classrooms | |
| Government and public assembly halls | Appropriate for council chambers and public meeting facilities | |
| Rowed event venues | Compatible with sloped and flat raised venue flooring | |
| 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
| Public seating strength requirement | EN 12727:2016 | |
|---|---|---|
| Upholstered furniture flammability | EN 1021:2014 | |
| Furniture surface stability | EN 1730:2012 |
Standards applicable to China-market projects
| Public seating structural requirement | GB/T 3324 | |
|---|---|---|
| Fabric upholstery flammability | GB 20286 | |
| Furniture hardware durability | GB/T 17657 |
This product must meet the following technical requirements: 1. Public seating structural requirement: GB/T 3324; 2. Fabric upholstery flammability: GB 20286; 3. Furniture hardware durability: GB/T 17657; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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