| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 510 x 560 x 890 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat width | 480 mm | |
| Seat depth | 430 mm | |
| Backrest height above seat | 430 mm | |
| Leg tube diameter | 22 mm | |
| Leg splay width at floor | 490 mm | |
| Seat front edge thickness | 60 mm | |
| Backrest top width | 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
| Net weight per chair | 12 kg | |
|---|---|---|
| Static weight capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Leg static load per leg | 75 kg | |
| Floor protection load rating | 150 kg | |
| 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
| Leg construction | 1.2mm thick matte black powder-coated steel tube | |
|---|---|---|
| Seat upholstery outer shell | Dark brown PU faux leather with contrast edge stitching | |
| Seat upholstery inner surface | Smooth PU faux leather in cream or warm orange option | |
| Seat padding | 60mm thick high-density polyurethane foam | |
| Backrest padding | 48mm thick high-density polyurethane foam | |
| Internal support frame | 1.0mm thick welded steel inner frame | |
| Upholstery stitching | 3mm stitch pitch double-stitched edge binding | |
| Foot pads | Non-marking TPE anti-slip floor protectors | |
| Surface finish on legs | Scratch-resistant matte black powder coating | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Tuck-under design | Armless 490mm leg splay fits under standard 750mm high dining tables | |
|---|---|---|
| Static seating support | Fixed contoured seat and back with no swivel, tilt or height adjustment | |
| Floor protection | TPE foot pads reduce sliding noise and prevent hard floor scratches | |
| Stability design | Outward-splayed four-leg layout reduces tipping risk during normal use | |
| Stain resistance | PU upholstery surface wipes clean with damp cloth for dining spill management | |
| Assembly requirement | Knock-down leg attachment with included hardware, no special tools needed | |
| Stacking compatibility | Non-stacking fixed structure for permanent dining placement | |
| 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 rooms | Compact armless form fits 6seat dining tables without crowding | |
|---|---|---|
| Kitchen breakfast nooks | Slim profile works in smaller casual dining and kitchen seating areas | |
| Modern cafe and bistro seating | Minimalist two-tone finish coordinates with contemporary commercial interiors | |
| Home office guest seating | Appropriate seat height works alongside standard 750mm high office desks | |
| Open-plan apartment living spaces | Sleek silhouette does not visually overwhelm compact urban living areas | |
| Hotel restaurant breakout areas | Durable PU upholstery withstands high-traffic public seating use | |
| 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 | Strength, durability and safety requirements for domestic dining seating | |
|---|---|---|
| EN 1022:2018 | Stability testing requirements for non-adjustable domestic seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden and upholstered furniture for domestic dining use | |
|---|---|---|
| GB/T 16799-2008 | Performance requirements for polyurethane leather used in furniture upholstery | |
| GB 18584-2001 | Limit of harmful substances in indoor furniture materials |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden and upholstered furniture for domestic dining use; 2. GB/T 16799-2008: Performance requirements for polyurethane leather used in furniture upholstery; 3. GB 18584-2001: Limit of harmful substances in indoor furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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