| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 579 x 600 x 880 mm | |
|---|---|---|
| Seat width | 409 mm | |
| Seat depth | 386 mm | |
| Seat height | 445 mm | |
| Backrest height | 330 mm | |
| Leg tube diameter | 19 mm | |
| Floor contact span | 500 mm | |
| Seat front edge thickness | 70 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 | 136 kg | |
|---|---|---|
| Net weight per chair | 7 kg | |
| Upholstery abrasion resistance | 50000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Backrest static load rating | 76 kg | |
| Warranty period | 1 year | |
| 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
| Upholstery | 0.8mm thick tan PU faux leather, 75% PVC / 5% cotton / 20% polyester backing | |
|---|---|---|
| Seat cushion fill | 45kg/m³ high-density polyurethane foam, 50mm thick pad | |
| Backrest fill | 35kg/m³ polyurethane foam, 30mm thick contoured pad | |
| Inner frame | 12mm thick plywood seat and back support panel | |
| Support springs | 38mm gauge sinuous springs under seat cushion | |
| Legs | 19mm diameter black powder-coated steel tubing, splayed tapered design | |
| Floor protection pads | 5mm thick anti-scratch rubber pads on each leg base | |
| Seam construction | 6 stitches per 30mm edge stitching on upholstery seams | |
| 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 function | Contoured one-piece seat and back for upright table-side dining support | |
|---|---|---|
| Storage design | Armless profile allows full tuck under standard 750mm high dining tables | |
| Leg stability | Four-point splayed leg layout with 500mm footprint for anti-tip stability | |
| Floor protection | Rubber leg pads prevent floor scratches and reduce movement noise | |
| Cleaning feature | Smooth faux leather surface allows wipe-clean maintenance with damp cloth | |
| Assembly requirement | Legs attach to pre-installed seat frame with included hardware and tool | |
| 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 room | Suitable for standard 750mm height dining tables, tucks fully under to save space | |
|---|---|---|
| Restaurant/cafe seating | Wipe-clean faux leather and durable metal construction suit high-traffic commercial dining areas | |
| Home office side chair | Slim armless form works as a desk side chair for occasional work use | |
| Vanity/makeup chair | Compact footprint fits vanity tables, contoured seat supports short-duration grooming use | |
| Small apartment dining | Lightweight stackable (non-locking) form saves storage space when not in 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 | 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 plywood inner frame components | |
|---|---|---|
| GB/T 16799-2008 | Requirements for polyurethane synthetic leather used in furniture upholstery | |
| GB 28007-2011 | Safety requirements for children's furniture if specified for family dining use |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to plywood inner frame components; 2. GB/T 16799-2008: Requirements for polyurethane synthetic leather used in furniture upholstery; 3. GB 28007-2011: Safety requirements for children's furniture if specified for family dining use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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