| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 570 x 740 x 1000 mm | |
|---|---|---|
| Seat center distance (single place) | 570 mm | |
| Seat height from floor | 465 mm | |
| Seat inner usable width | 490 mm | |
| Seat cushion depth | 480 mm | |
| Backrest total height | 580 mm | |
| Armrest height from floor | 620 mm | |
| Armrest cross-section | 422 x 80 x 29 mm | |
| Pedestal base diameter | 320 mm | |
| Side panel thickness | 3 mm | |
| Steel frame tube thickness | 1.6 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
| Net weight per chair | 28 kg | |
|---|---|---|
| Recommended static seat load | 160 kg | |
| Seat return cycle durability | 100000 cycles | |
| Fabric abrasion resistance | 50000 Martindale cycles | |
| Foam density (seat cushion) | 55 kg/m³ | |
| Foam density (backrest) | 45 kg/m³ | |
| Foam rebound rate | 45 % | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Metal fastener salt spray resistance | 18 h | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Wear-resistant blue woven fabric | |
|---|---|---|
| Seat cushion padding | High-density cold-cure PU molded foam | |
| Backrest padding | High-density PU molded foam | |
| Armrests | Dark lacquered solid wood | |
| Back top trim panel | Dark lacquered solid wood veneer | |
| Internal support frame | 1.6mm cold-rolled steel, anti-rust phosphated | |
| Pedestal base | Powder-coated black steel with perforated vent panel | |
| Side panels | 3mm density board wrapped in matching blue fabric | |
| Floor fasteners | Zinc-plated hex expansion bolts with plastic dust caps | |
| Surface finish for metal parts | Electrostatic spray high-temperature baked paint | |
| 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 return mechanism | Dual torsion spring with silent damper automatic return | |
|---|---|---|
| Floor mounting | Permanent bolted circular pedestal base | |
| Ergonomic back support | Angled upright backrest with lumbar contour | |
| Armrest support | Full-length fixed solid wood armrests on both sides | |
| Optional writing tablet | Fold-down melamine-surface tablet with pen groove | |
| Seat folding action | Gravity-assisted quiet return with no sudden drop | |
| Row alignment feature | Standardized seat center spacing for uniform row installation | |
| 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 installation | Permanent row seating for performance venues and assembly halls | |
|---|---|---|
| Corporate conference hall use | Formal seating for shareholder meetings, lectures and company events | |
| School lecture hall seating | Durable fixed seating for university and secondary school auditoriums | |
| Cinema and theater installation | Quiet return seat suitable for movie screening and live performance spaces | |
| Church and worship venue seating | Fixed comfortable seating for religious services and community events | |
| Government meeting room use | Formal public seating for council chambers and official conference spaces | |
| 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 13761:2002 | Applies to performance requirements for public seating furniture | |
|---|---|---|
| EN 1022:2018 | Applies to stability testing for fixed installed seating units |
Standards applicable to China-market projects
| GB 18584-2001 | Applies to formaldehyde emission limits for wood furniture components | |
|---|---|---|
| GB 18583-2008 | Applies to TVOC limits for adhesives used in upholstered furniture assembly |
This product must meet the following technical requirements: 1. GB 18584-2001: Applies to formaldehyde emission limits for wood furniture components; 2. GB 18583-2008: Applies to TVOC limits for adhesives used in upholstered furniture assembly; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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