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|---|---|---|---|---|
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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
| Per-seat net weight | 26 kg | |
|---|---|---|
| Writing tablet static load capacity | 20 kg | |
| Recommended per-user weight capacity | 150 kg | |
| Seat tip-up cycle durability | 50000 cycles | |
| Powder coating corrosion resistance | 1000 hours | |
| HPL laminate surface abrasion resistance | 2000 cycles | |
| Wood-based panel formaldehyde emission | ≤0.5 mg/L | |
| Product structural warranty | 5 years | |
| Available finish color count | 3 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Support frame structure | Oval-profile carbon steel tube, 2.0 mm wall thickness, acid-phosphatized pre-treatment | |
|---|---|---|
| Floor mounting base plates | 2.0 mm thick cold-rolled stamped steel, welded to frame legs | |
| Seat pivot support bracket | 5.0 mm thick cold-rolled steel plate with black end cap | |
| Seat, back and tablet core material | E1 grade medium density fiberboard, formaldehyde emission ≤0.5 mg/L | |
| Wood surface finish | High-pressure laminate (HPL) overlay, semi-matte light beech finish, 4 primer + 2 topcoat polyester paint | |
| Pivot hinge bushings | Natural rubber silent damping inserts for noise-free seat return | |
| Armrest construction | Integrated steel frame with rounded edges, matching grey powder coat finish | |
| Modesty panel under writing surface | 15 mm thick laminate MDF, fixed to steel frame below tablet | |
| Installation fasteners | Rust-proof steel expansion bolts with plastic caps, plastic wall plugs for concrete floors | |
| 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 tip-up mechanism | 90° gravity-driven automatic return, rubber damped for silent operation, lifts vertically to clear aisle space | |
|---|---|---|
| Floor mounting system | Permanent bolt-down installation via flanged steel base plates, no lateral movement or wobble | |
| Ganged row configuration | Shared continuous steel frame supports multiple seats per row, custom row lengths available for tiered venues | |
| Integrated writing surface | Fixed continuous hard laminate tablet aligned for seated note-taking/laptop use, no folding mechanism | |
| Lower storage shelf | Fixed horizontal shelf under writing surface for storing bags, books and personal items | |
| Integrated aisle armrests | Curved steel armrests positioned between adjacent seats to define individual seating positions | |
| Easy-clean surface design | Smooth laminate wood and powder-coated metal surfaces resist ink, stains and scratches for routine maintenance | |
| Tiered venue compatibility | Frame engineered for installation on sloped or tiered lecture hall floors, uniform seat/table height alignment | |
| Seat pivot rotation angle | 90° | |
| 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 |
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
| Tiered university lecture halls | Permanent fixed installation for high-occupancy daily classroom use, durable easy-clean surfaces | |
|---|---|---|
| Corporate training rooms and conference halls | Formal fixed seating for presentations and training sessions, integrated tablet for materials | |
| Multi-media classrooms in schools and colleges | Fixed ganged layout supports AV-integrated teaching, tip-up seats for easy aisle access | |
| Public auditoriums and assembly halls | Quiet operation and robust construction for frequent public event use | |
| Examination halls and test centers | Fixed individual seating positions with dedicated writing surface for secure testing | |
| Government and institutional meeting rooms | Stable fixed configuration for formal proceedings, low long-term maintenance requirement | |
| 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
| EN 1729-1:2015 | Furniture for educational institutions, safety and strength requirements for seating and tables | |
|---|---|---|
| EN 1729-2:2012 | Educational furniture test methods for strength, stability and durability | |
| EN 13986:2004+A1:2015 | Wood-based panels for construction, formaldehyde emission class E1 requirement |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applies to laminate panel components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applies to steel frame and hardware | |
| GB 18580-2017 | Formaldehyde emission limits for wood-based panels, requires E1 grade compliance | |
| GB/T 10357.3-2013 | Furniture mechanical test for seating strength and durability, applies to seat and back loads |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applies to laminate panel components; 2. GB/T 3325-2017: General technical requirements for metal furniture, applies to steel frame and hardware; 3. GB 18580-2017: Formaldehyde emission limits for wood-based panels, requires E1 grade compliance; 4. GB/T 10357.3-2013: Furniture mechanical test for seating strength and durability, applies to seat and back loads; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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