| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 572 x 617 x 850 mm | |
|---|---|---|
| seat height from floor | 510 mm | |
| seat width | 520 mm | |
| seat depth | 450 mm | |
| seat cushion thickness | 115 mm | |
| backrest height above seat | 340 mm | |
| integrated armrest height above seat | 200 mm | |
| leg tube diameter | 32 mm | |
| brass foot cap height | 15 mm | |
| knee clearance under seat rail | 260 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 | 8 kg | |
|---|---|---|
| recommended static load capacity | 150 kg | |
| seat foam density | 45 kg/m³ | |
| seat foam rebound rate | 45% | |
| upholstery abrasion resistance | 50000 Martindale cycles | |
| seam stitch pitch | 3 mm | |
| frame static load rating | 200 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
| seat upholstery | 0.8 mm thick cream PU leather with gold piping trim | |
|---|---|---|
| backrest upholstery | Cream PU leather with vertical channel stitching and gold edge trim | |
| seat fill | 45 kg/m³ high-density polyurethane foam | |
| frame and integrated armrests | 1.2 mm thick powder-coated carbon steel, matte black finish | |
| chair legs | Tapered powder-coated carbon steel tubes, splayed 8 degrees outward | |
| foot caps | Brass-finish metal protective caps at each leg base | |
| internal back support | 12 mm thick molded plywood substrate under upholstery | |
| armrest core | Solid wood wrapped in matching black finish 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| seating function | Fixed non-reclining position for upright dining posture | |
|---|---|---|
| floor protection | Brass foot caps provide hard floor scratch protection | |
| structural stability | Splayed four-leg layout eliminates tipping risk during normal use | |
| cleaning suitability | Smooth upholstery surface supports spot cleaning with mild detergent | |
| assembly type | Knock-down assembly with included hardware and instructions | |
| applicable floor types | Suitable for hard wood, tile, and low-pile carpet floors | |
| 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
| home dining room use | Paired with 750mm height dining tables for residential meal seating | |
|---|---|---|
| commercial hospitality use | Suitable for cafes, hotel restaurants, and upscale bistro dining areas | |
| accent side seating | Used as occasional seating in entryways or lounge nooks | |
| conference room auxiliary seating | Used as visitor seating in small modern meeting rooms | |
| recommended table pairing | Matched with marble, sintered stone, or dark wood dining tables | |
| 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, safety requirements for domestic seating | |
|---|---|---|
| EN 1022:2018 | Furniture seating stability test method for domestic use | |
| EN 13722:2019 | Furniture performance test methods for upholstered seating furniture |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable if wood components are used | |
|---|---|---|
| GB/T 3325-2017 | Metal furniture general technical requirements, applicable for steel frame components | |
| GB 18584-2001 | Indoor decorating material limit of harmful substances for wooden furniture | |
| GB/T 10357.3-2013 | Furniture mechanical performance test for chairs and stools, strength/durability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable if wood components are used; 2. GB/T 3325-2017: Metal furniture general technical requirements, applicable for steel frame components; 3. GB 18584-2001: Indoor decorating material limit of harmful substances for wooden furniture; 4. GB/T 10357.3-2013: Furniture mechanical performance test for chairs and stools, strength/durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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