| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 450 x 450 x 420 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
| Product net weight | 8 kg | |
|---|---|---|
| Static seat load capacity | 120 kg | |
| Seat foam density | 35 kg/m³ | |
| Surface abrasion resistance | 30000 cycles | |
| Applicable user count | 1 person | |
| Upholstery seam tensile strength | 60 N | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | Matte black faux leather (PU) | |
|---|---|---|
| Seat core padding | High-resilience polyurethane foam | |
| Internal support frame | 15mm thick composite wood panel | |
| Base outer upholstery | Matching matte black faux leather | |
| Base internal structure | Solid wood block support core | |
| Seam construction | Nylon thread stitched vertical corner seams | |
| Bottom floor protection | 3mm thick non-slip EVA pads | |
| 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
| Seating use | Single-person low-profile seating for residential spaces | |
|---|---|---|
| Floor protection | Non-slip base pads prevent floor scratches and sliding | |
| Surface maintenance | Smooth non-porous upholstery wipes clean with dry or damp cloth | |
| Space-saving storage | Compact square footprint fits small entryway or lounge gaps | |
| Footrest support | Stable fixed base supports foot resting when seated next to seating | |
| No moving parts | All-fixed construction eliminates adjustment or assembly joint failure risk | |
| 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
| Living room accent seating | Pair with sofas or armchairs for extra guest seating in lounge areas | |
|---|---|---|
| Entryway shoe changing seat | Place at residential entryways for seated shoe removal and placement | |
| Bedroom vanity seating | Position next to dressing tables for compact makeup and grooming seating | |
| Small office lounge seating | Use in office break areas for short-duration informal visitor seating | |
| Commercial waiting area seating | Deploy in compact lobbies or waiting zones for low-volume guest seating | |
| 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
| Seat strength recommendation | EN 12520 | |
|---|---|---|
| Upholstery flammability recommendation | EN 1021 |
Standards applicable to China-market projects
| Stability testing recommendation | GB/T 10357.2 | |
|---|---|---|
| Upholstery performance recommendation | GB/T 16799 | |
| Formaldehyde emission recommendation | GB 18580 |
This product must meet the following technical requirements: 1. Stability testing recommendation: GB/T 10357.2; 2. Upholstery performance recommendation: GB/T 16799; 3. Formaldehyde emission recommendation: GB 18580; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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