| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 530 x 635 x 900 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width | 470 mm | |
| Seat depth | 480 mm | |
| Backrest height from seat | 430 mm | |
| Seat cushion thickness | 40 mm | |
| Leg outer taper angle | 8 degrees | |
| Brass foot cap height | 50 mm | |
| Backrest top width | 460 mm | |
| Leg wall thickness | 1.5 mm | |
| Floor clearance under seat | 380 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 | |
|---|---|---|
| Static load capacity | 159 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Recommended daily use duration | 8 hours | |
| Upholstery abrasion resistance | 30000 Martindale cycles | |
| Leg static load per leg | 50 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
| Front seat and back upholstery | Light beige woven polyester fabric | |
|---|---|---|
| Outer back panel upholstery | Dark brown faux leather | |
| Seat core fill | High-density polyurethane foam | |
| Backrest core fill | Medium-density polyurethane foam | |
| Leg frame | 1.5mm thick matte black powder-coated steel | |
| Foot caps | Polished brass-plated zinc alloy | |
| Internal seat support | 12mm thick plywood panel | |
| Seam stitching | High-tenacity polyester thread | |
| Seam pitch | 8 mm | |
| Floor glides | Non-marking plastic pads under brass caps | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seating support | Fixed rigid four-leg structure with no moving parts | |
|---|---|---|
| Posture support | Contoured side bolsters on backrest wrap seated user for lateral support | |
| Assembly requirement | Leg attachment with 4 included bolt fasteners per chair | |
| Floor protection | Integrated non-marking glides prevent scuffing on hard flooring | |
| Cleaning method | Spot clean with damp cloth and mild upholstery cleaner | |
| Stacking capability | Non-stackable design with tapered outward angled legs | |
| Weight distribution | Four evenly spaced tapered legs spread load to minimize floor pressure | |
| 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
| Carton dimensions per chair | 800 x 650 x 1050 mm | |
|---|---|---|
| Gross weight per packed chair | 12 kg | |
| 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 | Pairs with 750mm high standard dining tables for home dining spaces | |
|---|---|---|
| Kitchen island seating | Fits standard height kitchen islands for casual meal seating | |
| Light commercial restaurant use | Suitable for upscale cafes, boutique restaurants and hotel dining areas | |
| Open-plan living accent seating | Complements modern luxury and contemporary interior schemes as supplementary seating | |
| Conference room guest seating | Provides upright formal seating for small meeting rooms and breakout spaces | |
| 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
| Seating furniture strength and stability | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture fire safety | EN 1021:2014 | |
| Furniture hardware corrosion resistance | EN 1670:2007 |
Standards applicable to China-market projects
| General furniture mechanical safety for seating | GB 28007 | |
|---|---|---|
| Upholstered furniture formaldehyde emission | GB 18584 | |
| Furniture surface cold/heat resistance | GB/T 4893.3 |
This product must meet the following technical requirements: 1. General furniture mechanical safety for seating: GB 28007; 2. Upholstered furniture formaldehyde emission: GB 18584; 3. Furniture surface cold/heat resistance: GB/T 4893.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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