| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 650 x 890 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat usable width | 580 mm | |
| Seat usable depth | 500 mm | |
| Backrest total height | 380 mm | |
| Armrest height from floor | 700 mm | |
| Armrest clearance above seat | 220 mm | |
| Front leg cross-section | 35 x 35 mm | |
| Frame member thickness (arm rail) | 25 mm | |
| H-slotted support bracket height | 180 mm | |
| Seat pad thickness | 80 mm | |
| Back pad thickness | 60 mm | |
| Floor clearance under seat apron | 280 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Net weight per chair | 12 kg | |
|---|---|---|
| Recommended static load capacity | 300 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Back foam density | 35 kg/m³ | |
| Wood joint static shear strength | 1200 N | |
| Floor protector pad load rating | 75 kg per leg | |
| Recommended daily user weight | 150 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Chair frame | Solid walnut-toned hardwood with natural wood grain finish | |
|---|---|---|
| Seat upholstery | 1.2 mm thick matte taupe faux leather | |
| Back upholstery | 1.2 mm thick matte taupe faux leather | |
| Seat cushion fill | High-resilience polyurethane foam wrapped with 20 mm soft polyester batting | |
| Back cushion fill | Medium-density polyurethane foam wrapped with 15 mm soft polyester batting | |
| Joinery hardware | Hidden wood dowels and glue for H-slotted mortise connections | |
| Seat support base | 12 mm thick plywood support panel under seat foam | |
| Foot pads | 5 mm thick adhesive felt floor protectors on all four leg bases | |
| Wood surface finish | Matte clear wood wax oil coating | |
| Upholstery stitching | 8 stitches per inch seam pitch | |
| H-slotted support brackets | Same solid walnut-toned hardwood as main frame | |
| Arm rest surface | Smoothly sanded solid wood with rounded 10 mm edge radius |
Adjustment / rotation / tilt / mobility / storage features
| Posture support | Fixed upright 105° seat-to-back angle optimized for dining and table use | |
|---|---|---|
| Arm support | Continuous curved armrests integrated with front and rear leg frames for stable forearm rest | |
| Structural stability | Four-leg fixed base with wide 550 mm leg spread to resist tipping during normal use | |
| Joinery durability | Interlocking H-slotted mortise connections at back and front apron to resist frame racking | |
| Floor protection | Felt foot pads to reduce friction and prevent scratches on hard flooring surfaces | |
| Cleaning access | Smooth faux leather upholstery allows wipe-clean maintenance for food and drink spills | |
| Seat comfort | Rounded front seat edge reduces pressure on the back of thighs during extended meals | |
| Stacking compatibility | Non-stackable fixed frame design to preserve joinery integrity | |
| Assembly requirement | Partial knock-down construction with bolted leg-to-seat connection for shipping | |
| 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 |
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 | Suitable for use with standard height dining tables (760 mm) for daily meals | |
|---|---|---|
| Cafe and restaurant seating | Durable wood frame and wipe-clean upholstery suitable for light commercial dining use | |
| Home office visitor seating | Arm support and upright posture make it suitable for side chairs at home office desks | |
| Open concept living space accent seating | Modern silhouette with distinctive joinery serves as decorative accent seating in living areas | |
| Hospitality lounge breakout areas | Comfortable padded seating suitable for casual meeting and breakout zones in hotels | |
| Recommended table pairing | Pairs with 750 mm height solid wood or stone top dining tables for coordinated look | |
| Recommended room style | Compatible with wabi-sabi, mid-century modern, and Scandinavian interior design styles | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Domestic furniture strength, durability and safety for seating, applicable to structural load testing | |
|---|---|---|
| EN 1022:2018 | Domestic seating stability test method, applicable to chair anti-tipping verification | |
| EN 13356:2014 | Furniture hardware performance for dowel joinery, applicable to frame connection strength |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to frame structural integrity testing | |
|---|---|---|
| GB/T 16799-2008 | Furniture upholstery leather quality specifications, applicable to seat and back upholstery | |
| GB 18584-2001 | Indoor decoration material limit of harmful substances in wooden furniture, applicable to formaldehyde emission |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to frame structural integrity testing; 2. GB/T 16799-2008: Furniture upholstery leather quality specifications, applicable to seat and back upholstery; 3. GB 18584-2001: Indoor decoration material limit of harmful substances in wooden furniture, applicable to formaldehyde emission; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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