| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall installed dimensions | 580 x 700 x 1010 mm | |
|---|---|---|
| Seat height from finished floor | 460 mm | |
| Seat cushion depth | 490 mm | |
| Backrest total height from seat surface | 550 mm | |
| Single armrest width | 90 mm | |
| Armrest height from seat surface | 220 mm | |
| Support pedestal footprint length per leg | 220 mm | |
| Required minimum row-to-row spacing | 1000 mm | |
| Seat cushion usable width between armrests | 470 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 chair net weight | 28 kg | |
|---|---|---|
| Recommended static user load capacity | 150 kg | |
| Seat foam density | 60 kg/m³ | |
| Backrest foam density | 55 kg/m³ | |
| Seat foam maximum crown thickness | 150 mm | |
| Backrest foam maximum thickness | 140 mm | |
| Fabric abrasion resistance (Martindale) | 50000 cycles | |
| Seat return mechanism noise level | 25 dB | |
| Standard product warranty | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Blue woven public-grade polyester fabric | |
|---|---|---|
| Seat cushion core | Cold-molded high-resilience polyurethane foam | |
| Backrest core | Contoured cold-molded polyurethane foam | |
| Armrest top cap | 26 mm thick solid beech/oak with varnish finish | |
| Armrest inner side panel | Fabric-upholstered multi-layer plywood | |
| Support pedestal frame | 1.5 mm wall-thickness square steel tube, black powder coat | |
| Floor mounting footplate | 2.0 mm thick cold-rolled steel plate | |
| Seat/back inner structural panel | 7 mm thick curved pressed plywood | |
| Seat return mechanism | Steel spring with damping buffer | |
| Upholstery seam stitch pitch | 8 mm | |
| 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
| Floor mounting system | Permanent bolting with 8x60 mm anti-rust expansion screws | |
|---|---|---|
| Seat operation | Gravity/damped spring automatic tip-up return | |
| Ergonomic back support | Contoured molded back with built-in lumbar curve | |
| Armrest function | Fixed solid wood arm caps with upholstered side bolsters | |
| Structural reinforcement | 40x20x1.2 mm cross-brace steel tube between pedestals | |
| Acoustic performance | Sound-dampening padded upholstery reduces echo | |
| Customization option | Upholstery color and fabric treatment customizable | |
| Optional accessory compatibility | Supports row number plates, cup holders, and under-seat book nets | |
| 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
| Large auditorium and theater seating | Fixed row installation for permanent audience seating | |
|---|---|---|
| University lecture hall seating | Ergonomic contoured support for 2+ hour class and lecture use | |
| Corporate conference and report hall seating | Formal wood-trim appearance matches professional meeting space design | |
| Government and institutional meeting room seating | Fixed installation meets public venue safety and stability requirements | |
| Cinema and performance venue seating | Padded cushion and back reduce fatigue during long screenings | |
| School multi-purpose hall seating | Durable steel and wood construction resists heavy daily student use | |
| 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
| Furniture seating strength and stability | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture fire resistance | EN 1021:2014 | |
| Office and public seating ergonomic dimensions | EN 1335:2020 |
Standards applicable to China-market projects
| Furniture structural strength for public seating | GB/T 3324 | |
|---|---|---|
| Upholstered furniture safety for public use | GB 20286 | |
| Fixed metal furniture coating performance | GB/T 13667.1 |
This product must meet the following technical requirements: 1. Furniture structural strength for public seating: GB/T 3324; 2. Upholstered furniture safety for public use: GB 20286; 3. Fixed metal furniture coating performance: GB/T 13667.1; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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