| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 584 x 914 mm | |
|---|---|---|
| Seat height | 483 mm | |
| Seat width | 521 mm | |
| Seat depth | 445 mm | |
| Backrest height above seat | 394 mm | |
| Seat cushion thickness | 114 mm | |
| Leg base spread (front to back) | 483 mm | |
| Leg base spread (side to side) | 521 mm | |
| Leg tube diameter | 25 mm | |
| Floor clearance under seat | 369 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 | 11.3 kg | |
|---|---|---|
| Static weight capacity | 160 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Recommended daily use duration per sitting | 4 hours | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Standard 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 | 1.0 mm thick PU faux leather, cognac finish, matte texture | |
|---|---|---|
| Internal seat frame | 15 mm thick multilayer plywood, structural support for cushion | |
| Seat and back padding | High-density polyurethane foam, wrapped in thin dacron layer | |
| Leg construction | 25 mm diameter powder-coated matte black steel tube, tapered splayed design | |
| Edge trim | Antique brass finish metal nailhead studs, applied along upholstery perimeter | |
| Bottom edge trim | Dark grey fabric binding, seals upholstery raw edges under seat | |
| Foot caps | Non-marking 5 mm thick PVC rubber pads, fitted to leg bottoms | |
| Fastening hardware | Zinc-plated steel screws, connects leg frame to seat plywood base | |
| 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 posture support | Fixed curved backrest provides mid-back lumbar support for upright dining posture | |
|---|---|---|
| Leg stability | Four splayed tapered metal legs distribute weight evenly to prevent tipping | |
| Floor protection | Non-marking rubber foot caps prevent scratches on hard flooring surfaces | |
| Cleaning and maintenance | Smooth faux leather surface wipes clean with damp soft cloth, no abrasive cleaners required | |
| Assembly requirement | Knock-down assembly with 4 included screws, no specialized tools needed | |
| Stacking capability | Non-stackable fixed frame design, intended for stationary placement around dining tables | |
| Adjustment features | No swivel, tilt, height adjustment or casters, fixed static seating position | |
| 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
| Single carton external dimensions | 660 x 610 x 950 mm | |
|---|---|---|
| Gross weight per packed carton | 25 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 | Pairs with standard 750 mm height dining tables for everyday meal use | |
|---|---|---|
| Kitchen breakfast nook | Compact armless profile fits small dining spaces without obstructing walkways | |
| Home office meeting area | Serves as guest side seating for small conference or desk-side use | |
| Cafe and bistro seating | Durable easy-clean upholstery suits light commercial food service environments | |
| Apartment accent seating | Modern minimalist design complements contemporary, industrial and mid-century decor | |
| 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 and safety for domestic seating | |
|---|---|---|
| EN 1022:2019 | Furniture - Seating - Determination of stability | |
| EN 16139:2013 | Furniture - Strength, durability and safety for non-domestic seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applies to internal plywood seat frame | |
|---|---|---|
| GB 18584-2001 | Indoor decorating and refurbishing materials - limit of harmful substances for wood furniture | |
| GB/T 16799-2008 | Polyurethane synthetic leather for furniture use, applies to upholstery material |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applies to internal plywood seat frame; 2. GB 18584-2001: Indoor decorating and refurbishing materials - limit of harmful substances for wood furniture; 3. GB/T 16799-2008: Polyurethane synthetic leather for furniture use, applies to upholstery material; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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