| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 559 x 635 x 946 mm | |
|---|---|---|
| Seat height | 521 mm | |
| Seat width | 559 mm | |
| Seat depth | 457 mm | |
| Backrest height | 425 mm | |
| Leg taper length | 380 mm | |
| Brass foot cap height | 40 mm | |
| Seat rail thickness | 30 mm | |
| Leg top width | 40 mm | |
| Leg bottom width | 20 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 maximum user weight | 127 kg | |
|---|---|---|
| Net weight per chair | 8 kg | |
| Seat cushion thickness | 160 mm | |
| Backrest padding thickness | 80 mm | |
| Static load rating | 150 kg | |
| Seam stitch pitch | 3 mm | |
| Upholstery abrasion resistance | 30000 rub cycles | |
| 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 and back upholstery | Grey smooth performance fabric/PU blend | |
|---|---|---|
| Seat and back padding | High-density polyurethane foam, 40kg/m³ density | |
| Seat inner frame | 15mm thick hardwood plywood | |
| Leg and seat rail material | Dark stained solid rubberwood | |
| Foot caps | Polished brass-plated zinc alloy ferrules | |
| Frame joinery | Metal dowel and screw reinforced corner joints | |
| Foam rebound rate | 45% | |
| Wood finish | Matte dark walnut stain, scratch-resistant lacquer | |
| 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 upright armless seating for dining use | |
|---|---|---|
| Floor protection | Brass ferrules with non-slip felt pads | |
| Assembly requirement | Legs attach to pre-assembled seat/back unit | |
| Stacking capability | Non-stacking fixed structure | |
| Cleaning compatibility | Spot clean with mild water-based upholstery cleaner | |
| Weight distribution | Splayed four-leg design for lateral stability | |
| 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 | Pairs with standard 750mm high dining tables for everyday home meal use | |
|---|---|---|
| Restaurant and cafe seating | Suitable for casual dining venues needing durable, streamlined contemporary seating | |
| Home office side seating | Works as guest seating beside desks in modern home office spaces | |
| Hotel guest room seating | Fits boutique hotel room layouts as desk or lounge side seating | |
| Event and banquet use | Appropriate for formal event setups requiring lightweight, modern armless seating | |
| 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 | Applicable European standard for domestic seating strength, durability and stability | |
|---|---|---|
| EN 1021-1:2014 | Applicable standard for upholstered furniture cigarette ignition resistance testing |
Standards applicable to China-market projects
| GB 18584-2001 | Applicable standard for formaldehyde emission limits for wooden furniture materials | |
|---|---|---|
| GB/T 3324-2017 | Applicable general technical standard for wooden furniture durability requirements |
This product must meet the following technical requirements: 1. GB 18584-2001: Applicable standard for formaldehyde emission limits for wooden furniture materials; 2. GB/T 3324-2017: Applicable general technical standard for wooden furniture durability requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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