| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 915 x 915 x 902 mm | |
|---|---|---|
| Seat height from floor | 470 mm | |
| Seat width at narrowest point | 559 mm | |
| Seat depth from front edge to back | 559 mm | |
| Seat cushion thickness | 80 mm | |
| Armrest height above seat | 203 mm | |
| Backrest total height above seat | 432 mm | |
| Base floor contact diameter | 762 mm | |
| Armrest upper edge height from floor | 673 mm | |
| Front seat opening width | 584 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
| Assembled net weight | 28 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Cushion foam density | 40 kg/m³ | |
| Foam rebound rate | 60% | |
| Seam tensile strength | 180 N | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Swivel mechanism cycle rating | 30000 rotations | |
| Base anti-tip stability angle | 15 degrees | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | Matte black smooth woven performance fabric | |
|---|---|---|
| Internal structural frame | 25mm thick kiln-dried hardwood plywood | |
| Seat cushion core | High-resilience polyurethane foam | |
| Back and arm padding | 30mm thick medium-density foam wrap | |
| Hidden swivel mechanism | Powder-coated steel rotating plate | |
| Base floor glides | Non-marking felt pads fitted to base bottom | |
| Seam construction | Reinforced polyester stitching with 8mm seam pitch | |
| Inner dust cover | Black non-woven polypropylene fabric | |
| 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Swivel movement | 360-degree silent rotation with no tilt lock | |
|---|---|---|
| Seat support | Fixed recessed bucket seat with no removable cushion | |
| Arm support | Continuous integrated armrests curving into back enclosure | |
| Stability design | Wide tapered plinth base with no exposed legs | |
| Seating ergonomics | Enclosed curved back provides upper and mid-back support | |
| Surface maintenance | Stain-resistant smooth upholstery allows spot cleaning with damp cloth | |
| Assembly requirement | Minimal attachment of base glides, no complex hardware | |
| 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
| Residential living rooms | Serves as standalone accent seating next to sofas or coffee tables | |
|---|---|---|
| Office lounge and reception areas | Provides casual guest seating in modern workplace waiting zones | |
| Hotel guest rooms and lobbies | Adds sculptural seating in contemporary hospitality interiors | |
| Boutique retail and cafe spaces | Creates comfortable perching for customers in premium retail environments | |
| Home reading nooks | Offers enclosed relaxed seating for extended reading or relaxation | |
| 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 stability | EN 2018 | |
|---|---|---|
| Seating strength and durability | EN 2014 | |
| Upholstered furniture fire safety | EN 2014 |
US and Canada office-furniture standards
| Lounge seating durability | ANSI/BIFMA X2020 | |
|---|---|---|
| Seating stability | ANSI/BIFMA X2017 |
Standards applicable to China-market projects
| Upholstered furniture durability | GB/T 3324 | |
|---|---|---|
| Furniture foam safety | GB 18587 | |
| Fabric colorfastness | GB/T 3920 |
This product must meet the following technical requirements: 1. Upholstered furniture durability: GB/T 3324; 2. Furniture foam safety: GB 18587; 3. Fabric colorfastness: GB/T 3920; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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