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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 590 x 760 x 1020 mm | |
|---|---|---|
| Center-to-center seat spacing | 590 mm | |
| Floor to seat surface height | 460 mm | |
| Seat inner usable width | 500 mm | |
| Seat usable depth | 460 mm | |
| Seat cushion foam thickness | 150 mm | |
| Backrest foam thickness | 50 mm | |
| Armrest surface height from floor | 610 mm | |
| Armrest surface width | 80 mm | |
| Overall depth with writing tablet extended | 760 mm | |
| Minimum recommended row spacing | 1000 mm | |
| Writing tablet usable surface dimensions | 300 x 250 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
| Per unit net weight | 28 kg | |
|---|---|---|
| Recommended static user load capacity | 150 kg | |
| Seat cushion foam density | 55 kg/m³ | |
| Backrest foam density | 45 kg/m³ | |
| Fabric upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat return mechanism cycle life | 100000 cycles | |
| Structural frame static load rating | 800 kg | |
| Standard warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Red woven polyester fabric with anti-fouling, anti-static finish | |
|---|---|---|
| Seat cushion core | Cold-cured high-density polyurethane foam | |
| Backrest core | Cold-cured high-density polyurethane foam | |
| Armrest caps | Solid hardwood with dark red-brown polished polyester paint finish | |
| Support frame and legs | 2.5mm thick cold-rolled steel with electrostatic powder-coated black finish | |
| Back inner support panel | 15mm thick multi-layer molded bentwood plywood | |
| Retractable writing tablet | Multi-layer plywood with dark wood veneer finish, steel support hinge | |
| Floor mounting plates | Thick stamped steel with anti-rust phosphating pre-treatment | |
| Seat return mechanism | Torsion spring assembly with self-lubricating pivot bushings | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seat operation | Spring-loaded tip-up seat that automatically returns to vertical position when unoccupied | |
|---|---|---|
| Writing tablet operation | Side-mounted retractable tablet that swings out from the right armrest to horizontal position, folds flush when stored | |
| Floor installation | Permanently fixed to finished floor with 4 expansion bolts per unit for rigid row alignment | |
| Seating connection | Designed for ganged row installation with adjacent seats sharing support legs where specified | |
| Back support | Contoured ergonomic high back with lumbar support curve for long-duration seated comfort | |
| Tablet load capacity | Supports 10 kg static vertical load for notebooks, materials and small devices | |
| Armrest function | Padded side support with integrated storage cavity for retracted writing tablet | |
| Acoustic performance | Back panel design supports sound absorption to reduce echo in large assembly spaces | |
| 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
| University lecture halls | Fixed row seating with integrated writing tablet supports note-taking and exam use for long sessions | |
|---|---|---|
| Corporate conference and assembly spaces | Formal upholstered design suits company meeting rooms, training centers and annual meeting venues | |
| Government and institutional auditoriums | Durable floor-mounted construction meets high-traffic public sector seating requirements | |
| Cinema and performing arts theater auxiliary seating | Can be specified for screening rooms or theaters requiring note-taking functionality for training events | |
| Church and community assembly halls | Fixed ganged configuration provides orderly, durable seating for regular congregation and community events | |
| School multi-purpose halls | Tip-up seat design maximizes aisle clearance when not in use for flexible space utilization | |
| 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 recommendation | EN 12727:2000 | |
|---|---|---|
| Upholstered furniture fire safety recommendation | EN 1021:2014 | |
| Furniture ergonomics recommendation | EN 1335:2020 |
Standards applicable to China-market projects
| Furniture structural safety recommendation | GB/T 3324 | |
|---|---|---|
| Upholstered furniture fire safety recommendation | GB 20286 | |
| Steel furniture coating recommendation | GB/T 1993 | |
| Furniture hardware durability recommendation | GB/T 24543 |
This product must meet the following technical requirements: 1. Furniture structural safety recommendation: GB/T 3324; 2. Upholstered furniture fire safety recommendation: GB 20286; 3. Steel furniture coating recommendation: GB/T 1993; 4. Furniture hardware durability recommendation: GB/T 24543; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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