| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall two-seat unit dimensions | 1180 x 792 x 1021 mm | |
|---|---|---|
| seat height from floor | 450 mm | |
| armrest height from floor | 600 mm | |
| armrest width per cap | 85 mm | |
| seat cushion depth | 480 mm | |
| seat cushion width per position | 500 mm | |
| backrest height above seat | 571 mm | |
| pedestal floor plate length | 220 mm | |
| seat front edge thickness | 150 mm | |
| pedestal support column cross-section | 60 x 40 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 two-seat unit | 58 kg | |
|---|---|---|
| recommended static load per seat | 150 kg | |
| seat cushion foam density | 55 kg/m³ | |
| backrest foam density | 45 kg/m³ | |
| fabric abrasion resistance | 50000 cycles | |
| structure service life | 10 years | |
| seam stitching pitch | 3 mm | |
| applicable user count per two-seat unit | 2 adults | |
| 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 | Blue woven commercial polyester fabric | |
|---|---|---|
| armrest top caps | Polished solid beech wood with clear lacquer finish | |
| armrest side panels | Black powder-coated steel frame with fabric upholstered inner panel | |
| support pedestals | 2.5mm thick cold-rolled steel with matte black powder coating | |
| seat and back inner shells | 15mm thick molded plywood | |
| seat cushion padding | High-resilience cold-cure molded PU foam | |
| backrest padding | Medium-density molded PU foam | |
| floor anchoring hardware | Galvanized steel expansion bolts | |
| decorative trim edges | Matching wood veneer edging on seat and back side borders | |
| 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
| installation configuration | Ganged fixed-row floor-mounted installation | |
|---|---|---|
| floor anchoring system | Bolts secure T-shaped base plates to finished floor surfaces | |
| backrest support | Fixed contoured ergonomic shape with lumbar support indentation | |
| armrest function | Shared flat wood armrests between adjacent seats | |
| seating surface | Fixed non-tip-up padded seat cushion | |
| row spacing compatibility | Designed for 900mm minimum clear row-to-row spacing | |
| upholstery performance | Stain-resistant treated fabric surface | |
| modular connection | Steel brackets link adjacent seat units for rigid row alignment | |
| backrest recline angle from horizontal | 106° | |
| seat tilt angle from horizontal | 5° | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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
| auditorium venues | Suitable for school, university and conference hall auditoriums | |
|---|---|---|
| theater and performing arts spaces | Appropriate for small community theaters and performance venues | |
| lecture halls | Ideal for tiered or flat-floor college lecture halls | |
| worship spaces | Suitable for church and assembly hall congregation seating | |
| corporate event spaces | Fits corporate training centers and boardroom assembly areas | |
| cinema screening rooms | Usable for small independent and institutional cinema 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 12727:2000 | Furniture - Ranked seating for public areas - Safety and strength requirements | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability test for smoldering cigarette source |
Standards applicable to China-market projects
| GB/T 20247-2006 | Acoustic absorption performance rating for seating in auditorium spaces | |
|---|---|---|
| GB 18584-2001 | Formaldehyde emission limits for interior wooden furniture components | |
| GB/T 10357.3-2013 | Furniture mechanical test for chair strength and durability |
This product must meet the following technical requirements: 1. GB/T 20247-2006: Acoustic absorption performance rating for seating in auditorium spaces; 2. GB 18584-2001: Formaldehyde emission limits for interior wooden furniture components; 3. GB/T 10357.3-2013: Furniture mechanical test for chair strength and durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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