| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 610 x 620 x 850 mm | |
|---|---|---|
| Seat height | 490 mm | |
| Seat width | 480 mm | |
| Seat depth | 460 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest height above seat | 360 mm | |
| Armrest height above seat | 210 mm | |
| Leg wood section thickness | 35 mm | |
| Brass ferrule height | 60 mm | |
| Side cutout opening height | 150 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 | 9 kg | |
|---|---|---|
| Recommended static load capacity | 159 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Frame joint static load rating | 180 kg | |
| Color option count | 4 | |
| Recommended warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick beige PU faux leather, wipe-clean, scratch-resistant surface | |
|---|---|---|
| Seat cushion core | 45kg/m³ high-density polyurethane foam, wrapped in 20g Dacron batting | |
| Backrest core | 35kg/m³ medium-density polyurethane foam, contoured for lumbar support | |
| Internal seat/back frame | 18mm thick multi-layer engineered plywood, screwed and dowel reinforced | |
| Legs and support frame | Black stained solid beech wood, tapered, lacquered semi-matte finish | |
| Leg ferrules | Polished plated brass metal, press-fit onto leg bases with protective felt pad | |
| Stitching construction | UV-resistant bonded polyester thread, 8mm seam pitch, precision stitched panel seams | |
| Fastening hardware | Zinc-plated steel screws and dowels for leg to frame attachment | |
| 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 support | Fixed static four-leg construction, no swivel, recline, or height adjustment mechanisms | |
|---|---|---|
| Armrest design | Integrated curved wrap-around barrel armrests with open side cutout for ease of entry | |
| Assembly requirement | Leg attachment via pre-installed threaded inserts, no special tools required | |
| Floor protection | Felt pads fitted under brass ferrules to prevent scratching hard flooring surfaces | |
| Surface maintenance | Smooth non-porous upholstery allows wipe cleaning with mild detergent for stain removal | |
| Weight distribution | Outward-tapered leg geometry creates 560mm stance width for increased tip resistance | |
| 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 use | Suitable for standard 750mm height dining tables, seating 6 guests around rectangular or round tables | |
|---|---|---|
| Commercial hospitality use | Applicable for restaurants, cafes, hotel dining areas with high-traffic daily use | |
| Kitchen island seating | Works as counter-adjacent seating for open-plan kitchen layouts with modern luxury aesthetic | |
| Home office guest seating | Suitable for side seating in home offices or meeting rooms for short-duration guest use | |
| Style compatibility | Pairs with modern, contemporary, art-deco or light luxury interior design schemes | |
| Cleaning suitability | Appropriate for high-spill areas with food and beverage exposure due to wipe-clean upholstery | |
| 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 dining chairs | |
|---|---|---|
| EN 1022:2018 | Domestic furniture seating determination of stability for non-adjustable dining chairs | |
| EN 15373:2007 | Non-domestic furniture seating performance requirements for commercial dining use |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame components | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable for formaldehyde emission testing | |
| GB/T 16799-2008 | Polyurethane synthetic leather specification, applicable for upholstery material quality |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame components; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable for formaldehyde emission testing; 3. GB/T 16799-2008: Polyurethane synthetic leather specification, applicable for upholstery material quality; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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