| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall per-seat dimensions | 630 x 930 x 1040 mm | |
|---|---|---|
| Seat height above finished floor | 450 mm | |
| Seat usable depth | 460 mm | |
| Seat inner usable width | 510 mm | |
| Armrest top surface height | 645 mm | |
| Armrest top surface width | 60 mm | |
| Deployed writing tablet working height | 625 mm | |
| Fully stowed depth (seat tipped up, tablet retracted) | 760 mm | |
| Recommended minimum row spacing | 950 mm | |
| Backrest vertical usable height | 715 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-seat net weight | 28 kg | |
|---|---|---|
| Recommended maximum static user load | 150 kg | |
| Seat cushion foam density | 60 kg/m³ | |
| Backrest foam density | 47 kg/m³ | |
| Seat cushion padding thickness | 97 mm | |
| Backrest padding thickness | 125 mm | |
| Seat return mechanism cycle life | 100000 operations | |
| Upholstery fabric abrasion resistance | 50000 Martindale cycles | |
| Standard product warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Red woven commercial polyester fabric, vertical channel stitching on lower back | |
|---|---|---|
| Seat and back padding | High-density cold-cure molded polyurethane foam, flame-retardant additive option | |
| Armrest top caps | Polished solid beech wood, clear lacquer finish | |
| Armrest support frames | 2.0mm thick hot-rolled steel, matte black electrostatic powder coating, anti-rust treated | |
| Floor support legs | 80 x 40 x 1.5mm rectangular steel tube, black powder coat, floor mounting base plates | |
| Writing tablet housing panel | Molded impact-resistant ABS plastic, decorative vertical ribbed texture | |
| Writing tablet work surface | 18mm thick HDF core with fire-resistant laminate surface, rounded edges | |
| Side modesty panels | Plywood core upholstered in matching red fabric, 3mm thickness | |
| Internal seat pan structure | 15mm thick multi-layer plywood, fixed to steel seat frame with 4mm steel corner brackets | |
| Seat return hardware | Zinc-plated steel spring with damping buffer, anti-noise rubber pads | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up function | Spring-damped automatic quiet return to vertical stowed position when unoccupied | |
|---|---|---|
| Writing tablet operation | Fold-out rotating mechanism from rear divider, locks in horizontal use position, stows flush when unused | |
| Floor mounting system | Fixed to concrete/raised floor with corrosion-resistant expansion bolts through base plates | |
| Back support structure | Fixed non-reclining upright backrest with contoured vertical channel stitching | |
| Egress clearance design | Angled side panel geometry with tipped-up seat provides 300mm minimum passable aisle width per row | |
| Noise damping features | Rubber anti-collision pads on seat frame and tablet pivot points to eliminate operation noise | |
| Row alignment compatibility | Standardized leg base footprint allows continuous straight or curved row installation | |
| Backrest fixed recline angle | 11 degrees | |
| 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
| Tiered lecture hall application | Installed in fixed rows for university and college classroom lecture seating | |
|---|---|---|
| Public auditorium application | Used for theater, conference hall and government assembly venue fixed seating | |
| Corporate training room application | Installed in multi-purpose training and presentation spaces | |
| Cultural performance venue application | Suitable for school auditoriums and cultural center event spaces | |
| Recommended floor compatibility | Installed on concrete, raised access or tiered wood flooring with appropriate anchor bolts | |
| Customization compatibility | Available in alternate fabric colors and writing tablet configurations to match venue interior design | |
| 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 12727:2000 | Strength, durability and safety requirements for fixed auditorium and public seating | |
|---|---|---|
| EN 1022:2018 | Furniture seating stability test methods for fixed floor-mounted installations | |
| EN 13501-1:2018 | Fire classification of construction products for upholstered public seating materials |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood armrest and panel components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable to steel frame and leg components | |
| GB 20286-2006 | Flame retardant requirements for public venue furniture upholstery and materials | |
| GB/T 19001-2016 | Quality management system guidance for production and installation of public seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood armrest and panel components; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel frame and leg components; 3. GB 20286-2006: Flame retardant requirements for public venue furniture upholstery and materials; 4. GB/T 19001-2016: Quality management system guidance for production and installation of public seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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