| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 508 x 508 x 483 mm | |
|---|---|---|
| Seat surface diameter | 480 mm | |
| Seat height from floor | 457 mm | |
| Side wall vertical height | 450 mm | |
| Top edge radius | 25 mm | |
| Base contact diameter | 470 mm | |
| Upholstery wrap overlap at base | 13 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
| Recommended static load capacity | 113 kg | |
|---|---|---|
| Net product weight | 6.5 kg | |
| Cushion foam density | 32 kg/m³ | |
| Foam rebound rate | 45% | |
| Fabric abrasion resistance | 15000 double rubs | |
| Seam stitching 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
| Outer upholstery | 100% polyester smooth woven fabric, matte white finish | |
|---|---|---|
| Inner structural frame | 18 mm thick engineered wood composite cylinder | |
| Top padding | 89 mm thick high-density polyurethane foam | |
| Side wall padding | 20 mm thick polyurethane foam layer | |
| Base lining | Non-woven black polypropylene fabric | |
| Stitching thread | Bonded polyester thread, color matched to white upholstery | |
| Floor contact edge | Felt glide strip along bottom perimeter | |
| 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
| Primary seating function | Single-person occasional seating for vanity or lounge use | |
|---|---|---|
| Secondary footrest function | Suitable for use as a footrest in living or bedroom spaces | |
| Stationary design | No swivel, lift, wheel, or recline mechanisms | |
| No integrated storage | Continuous upholstered form with no lift-off lid or access seam | |
| Floor protection | Felt base contact prevents scuffs and reduces movement noise | |
| Care and maintenance | Spot clean only with mild upholstery detergent | |
| 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
| Shipping carton dimensions | 533 x 533 x 508 mm | |
|---|---|---|
| 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
| Bedroom vanity area | Pairs with dressing tables as compact seating with no obstructive legs | |
|---|---|---|
| Living room lounge space | Used as extra occasional seating or footrest next to sofas and armchairs | |
| Entryway or walk-in closet | Serves as temporary seating for putting on shoes or accessing storage | |
| Small apartment or studio use | Low-profile, multi-functional piece that does not crowd limited floor space | |
| Hotel or short-term rental furnishing | Durable residential-grade construction for high-turnover guest 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 12520:2015 | Domestic furniture seating strength, durability and safety requirements for performance validation | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignition resistance to smouldering cigarette for fire safety |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner frame structural safety | |
|---|---|---|
| GB 18401-2010 | National basic safety technical code for textile products, applicable to upholstery fabric | |
| GB/T 3922-2013 | Textile color fastness to perspiration testing, applicable to seating fabric performance |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner frame structural safety; 2. GB 18401-2010: National basic safety technical code for textile products, applicable to upholstery fabric; 3. GB/T 3922-2013: Textile color fastness to perspiration testing, applicable to seating fabric performance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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