| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 584 x 940 mm | |
|---|---|---|
| Seat height | 483 mm | |
| Seat width | 521 mm | |
| Seat depth | 508 mm | |
| Backrest height above seat | 457 mm | |
| Front leg diameter | 32 mm | |
| Rear leg diameter | 28 mm | |
| Seat cushion 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
| Recommended static load capacity | 150 kg | |
|---|---|---|
| Net weight per chair | 8 kg | |
| Cushion foam density | 45 kg/m³ | |
| Cushion foam rebound rate | 60% | |
| Seam pitch | 8 mm | |
| Floor contact non-marking pad diameter | 20 mm | |
| Frame joint static load rating | 200 kg | |
| Warranty period | 1 year | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame structure | Solid rubberwood with walnut-toned varnish finish | |
|---|---|---|
| Seat upholstery | 1.0mm thick black PU faux leather | |
| Seat cushion core | High-resilience polyurethane foam | |
| Leg foot caps | Non-marking PVC plastic pads | |
| Joinery hardware | Zinc-plated steel screws and wood dowels | |
| Seat support base | 12mm thick multilayer plywood panel under cushion | |
| Backrest rail | Solid hardwood curved top rail with smoothed edges | |
| Rear support posts | Solid hardwood vertical posts connecting back rail to rear legs | |
| 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 orientation | Fixed forward-facing position without swivel or rotation | |
|---|---|---|
| Back support | Curved arched lumbar support rail for upright dining posture | |
| Floor protection | Non-marking foot caps prevent scratches on hard flooring surfaces | |
| Assembly requirement | Knock-down assembly with included hardware and instruction manual | |
| Stackability | Non-stackable design for permanent dining area placement | |
| Recline function | Fixed back angle at 100 degrees from seat surface | |
| Upholstery performance | Stain-resistant PU surface supports wipe-clean maintenance | |
| Seat edge design | Gently rounded front edge reduces thigh pressure during prolonged seating | |
| 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 | Seating at standard 750mm height dining tables for daily family meals | |
|---|---|---|
| Home office study | Armless compact profile fits small writing desks for casual task seating | |
| Commercial cafe seating | Durable wipe-clean upholstery suits high-traffic food service environments | |
| Open plan breakout area | Minimalist mid-century design complements modern collaborative workspaces | |
| Small apartment dining nook | Compact footprint fits limited space in studio or compact residential units | |
| Restaurant waiting area | Sturdy solid wood frame withstands frequent commercial guest 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 | Domestic furniture - seating - safety requirements for residential dining chair use | |
|---|---|---|
| EN 1022:2018 | Domestic furniture - seating - determination of stability for four-leg chairs | |
| EN 13356:2011 | Seating furniture - test methods for upholstery components cushion durability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for frame strength and finish quality | |
|---|---|---|
| GB/T 16799-2008 | Furniture use leather and artificial leather, applicable for seat upholstery performance | |
| GB 18584-2001 | Indoor decorating and refurbishing materials - limit of harmful substances for wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for frame strength and finish quality; 2. GB/T 16799-2008: Furniture use leather and artificial leather, applicable for seat upholstery performance; 3. GB 18584-2001: Indoor decorating and refurbishing materials - limit of harmful substances for wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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