| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 3-seat unit overall dimensions | 1770 x 760 x 1050 mm | |
|---|---|---|
| Single seat center-to-center distance | 590 mm | |
| Seat height above finished floor | 460 mm | |
| Seat usable depth | 520 mm | |
| Armrest top height above floor | 645 mm | |
| Backrest total height above seat | 590 mm | |
| Wood armrest top dimensions | 425 x 80 x 26 mm | |
| Under-seat storage rack usable height | 120 mm | |
| Floor mounting base plate dimensions | 360 x 40 x 4 mm | |
| Recommended row spacing for installation | 900 mm | |
| Armrest side panel thickness | 17 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 static load capacity | 360 kg | |
|---|---|---|
| Cold-molded seat foam density | 60 kg/m³ | |
| Cold-molded back foam density | 50 kg/m³ | |
| Foam rebound rate | 47% | |
| Fabric Martindale abrasion resistance | 50000 cycles | |
| Unit net weight (3 seats) | 105 kg | |
| Recommended maximum user weight per seat | 160 kg | |
| Frame powder coat salt spray resistance | 100 hours | |
| 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 | 450g/m² flame-retardant red woven fabric | |
|---|---|---|
| Seat cushion core | 140mm thick cold-cured high-density PU foam | |
| Back cushion core | 130mm thick cold-cured high-density PU foam | |
| Armrest top surfaces | 26mm thick solid rubber wood with clear polyurethane finish | |
| Armrest side panels | 17mm multi-layer plywood with matching red fabric upholstery | |
| Structural frame and stanchions | 2.5mm thick cold-rolled steel with black electrostatic powder coating | |
| Under-seat storage racks | 6mm diameter black powder-coated steel wire mesh | |
| Seat internal support panels | 18mm multi-layer birch plywood | |
| Seat return mechanism | Steel torsion spring with rubber dampening buffer | |
| Installation hardware | 3mm thick steel base plates with M10 expansion floor anchors | |
| Seam construction | 6 stitches per inch reinforced polyester stitching | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat tip-up mechanism | Spring-damped self-returning tip-up seat that folds vertically when unoccupied | |
|---|---|---|
| Permanent ganging connection | Bolted rigid connection between adjacent seat stanchions for fixed row alignment | |
| Floor-mounted installation | Expansion anchor fixed to concrete subfloor for permanent, wobble-free mounting | |
| Under-seat open storage | Wire mesh rack under each seat holds personal bags, coats or small items | |
| Ergonomic contoured backrest | Curved lumbar support shape to maintain upright posture during long events | |
| Full armrest separation | Individual upholstered armrests between every seat to define personal space | |
| Row alignment stability | Dual-foot stanchion base distributes weight evenly to prevent floor damage | |
| 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
| Cinema and movie theater screening rooms | Fixed ganged configuration with comfortable padding for 2+ hour viewing sessions | |
|---|---|---|
| University and corporate lecture halls | Permanent floor mounting and under-seat storage for high-frequency class and event use | |
| Performing arts theaters and auditoriums | Acoustically compatible fabric and aligned row layout for audience sightlines | |
| Church and assembly hall worship spaces | Durable commercial construction for weekly high-traffic congregation use | |
| Conference center event spaces | Standard seat spacing meets accessibility and egress requirements for public venues | |
| School and municipal performance venues | Scratch-resistant finish and durable fabric withstand youth and general public 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 mechanical safety | EN 1728:2012 | |
|---|---|---|
| Upholstered furniture fire safety | EN 1021:2014 | |
| Fixed auditorium seating performance | EN 13761:2006 |
US and Canada office-furniture standards
| Public seating durability | ANSI/BIFMA X2015 | |
|---|---|---|
| Seating static load testing | ANSI/BIFMA X2017 |
Standards applicable to China-market projects
| Public seating flame retardancy | GB 20286 | |
|---|---|---|
| Furniture structural safety | GB/T 3324 | |
| Upholstered furniture durability | GB/T 39225 |
This product must meet the following technical requirements: 1. Public seating flame retardancy: GB 20286; 2. Furniture structural safety: GB/T 3324; 3. Upholstered furniture durability: GB/T 39225; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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