| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 850 x 850 x 860 mm | |
|---|---|---|
| seat height | 460 mm | |
| seat depth | 510 mm | |
| seat width | 680 mm | |
| backrest height | 460 mm | |
| armrest height | 620 mm | |
| four-prong base spread | 700 mm | |
| base clearance under seat | 120 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 | 30 kg | |
|---|---|---|
| static load capacity | 159 kg | |
| cushion foam density | 45 kg/m³ | |
| foam rebound rate | 60% | |
| seam stitch pitch | 8 stitches per inch | |
| upholstery abrasion resistance | 50000 double rubs | |
| warranty period | 2 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| external upholstery | Dark green smooth faux leather, 1.2 mm thickness | |
|---|---|---|
| seat cushion core | Multi-layer high-resilience polyurethane foam | |
| back cushion fill | Dual-layer foam and fiber fill, attached to frame | |
| internal support frame | 18 mm thick plywood and welded steel inner structure | |
| swivel mechanism | 360° rotation steel bearing plate, 3 mm thickness | |
| four-prong base | Powder-coated matte black carbon steel, 25 mm tube diameter | |
| floor glides | Non-slip felt pads at each base prong end | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| swivel motion | Smooth 360° unobstructed rotation around central vertical axis | |
|---|---|---|
| seating orientation | Fixed lounge recline angle at 105° for relaxed postures | |
| floor protection | Felt glides prevent hard floor scratches and reduce movement noise | |
| back support | Integrated tufted back cushion provides lumbar support at mid-back height | |
| armrest support | Fully wrapped angular armrests extend from seat to back for full forearm support | |
| height adjustment | Fixed seat height with no gas lift or height modification mechanism | |
| mobility | Non-castered stationary design with swivel-only motion, no rolling function | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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 room | Ideal for conversation seating, reading nooks, or open living space accent placement | |
|---|---|---|
| office reception areas | Suitable for waiting rooms, executive break areas, or informal meeting spaces | |
| hotel lounge spaces | Appropriate for guest room seating, hotel lobbies, and clubhouse relaxation zones | |
| residential balcony/study | Works as individual reading chair in home studies or enclosed sunrooms | |
| café lounge zones | Suited for premium café customer seating with relaxed, low-profile design | |
| 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 | EN 16139:2013 | |
|---|---|---|
| upholstered furniture flammability | EN 1021:2014 |
US and Canada office-furniture standards
| lounge seating safety | ANSI/BIFMA X2020 |
|---|
Standards applicable to China-market projects
| upholstered furniture safety | GB 20400:2006 | |
|---|---|---|
| furniture mechanical performance | GB/T 10357.3:2013 |
This product must meet the following technical requirements: 1. upholstered furniture safety: GB 20400:2006; 2. furniture mechanical performance: GB/T 10357.3:2013; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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