| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 520 x 520 x 830 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Seat usable depth | 430 mm | |
| Seat usable width | 470 mm | |
| Backrest total height | 430 mm | |
| Leg splay span (width at floor) | 460 mm | |
| Leg tube diameter | 19 mm | |
| Seat foam thickness | 50 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 unit net weight | 9.6 kg | |
|---|---|---|
| Maximum static user load | 150 kg | |
| PU upholstery abrasion resistance | 50000 Martindale cycles | |
| Foam density (seat cushion) | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Floor protection foot diameter | 20 mm | |
| 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
| Seat and back upholstery | Dark green 0.8mm thick PU faux leather, smooth matte finish | |
|---|---|---|
| Seat and back padding | High-density polyurethane foam, molded integrated contoured shape | |
| Support frame under upholstery | 12mm thick curved plywood inner shell | |
| Leg structure | 19mm diameter matte black powder-coated steel tube, splayed tapered design | |
| Leg mounting hardware | Zinc-plated steel M8 mounting bolts | |
| Floor contact feet | Injection-molded black non-slip PE plastic feet, floor-protecting | |
| Upholstery stitching | Polyester bonded thread, 8 stitches per 30mm seam pitch | |
| Leg surface finish | Scratch-resistant epoxy powder coating, matte black | |
| 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
| Seating posture support | Fixed 8° back recline angle, upright dining posture support | |
|---|---|---|
| Leg stability feature | Four splayed legs create 460mm wide floor footprint, anti-tip design | |
| Assembly requirement | Knock-down assembly, legs attach to seat frame with included hardware | |
| Floor protection function | Plastic foot caps prevent hard floor scratching, no caster movement | |
| Surface maintenance feature | Wipe-clean PU upholstery resists water and common dining spills | |
| Color option availability | Available in 7 colorways including dark green, black, white, brown, orange | |
| Stacking capability | Non-stackable design, fixed contoured seat and back shape | |
| 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 dining spaces | Suitable for home dining areas matching 760 mm standard height dining tables | |
|---|---|---|
| Commercial cafe seating | Suitable for casual cafes and dessert shops with modern minimalist interiors | |
| Meeting room auxiliary seating | Suitable as visitor side seating in small office meeting spaces | |
| Open-plan kitchen islands | Suitable for kitchen island breakfast seating for 2users | |
| Matching configuration recommendation | Recommended for pairing with matte black or dark wood dining tables | |
| Space size requirement | Requires minimum 550mm clearance per seat for comfortable pull-out access | |
| 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 | Furniture - Strength, durability and safety for domestic seating | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner plywood shell | |
|---|---|---|
| GB/T 4893.4-2013 | Surface abrasion resistance test for furniture finishes, applicable to PU upholstery | |
| GB 28007-2011 | Mechanical performance requirements for children's furniture (if used in family settings) |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner plywood shell; 2. GB/T 4893.4-2013: Surface abrasion resistance test for furniture finishes, applicable to PU upholstery; 3. GB 28007-2011: Mechanical performance requirements for children's furniture (if used in family settings); Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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