| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 630 x 670 x 930 mm | |
|---|---|---|
| Seat height from floor | 500 mm | |
| Seat width | 530 mm | |
| Seat depth | 510 mm | |
| Backrest height above seat | 430 mm | |
| Armrest height from floor | 584 mm | |
| Leg taper top section width | 45 mm | |
| Under-seat knee clearance height | 470 mm | |
| Backrest lumbar curve depth | 60 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 | 26 kg | |
|---|---|---|
| Static weight capacity | 154 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Leather upholstery abrasion resistance | 50000 Martindale cycles | |
| Frame joint static load rating | 200 kg per joint | |
| Recommended daily use duration per seat | 8 hours | |
| 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
| Internal load-bearing frame | Kiln-dried solid beech hardwood, 25 mm thick, corner-blocked, double-doweled joints | |
|---|---|---|
| Seat and back padding | 40 mm thick high-density polyurethane foam, wrapped in 10 mm soft Dacron layer | |
| Outer shell upholstery | 1.4 mm thick two-tone full-grain saddle leather, dark brown outer panels, cognac seat/inner back | |
| Upholstery stitching | Bonded nylon thread, 8 mm seam pitch, finished edge binding along shell seams | |
| Legs | Solid tapered hardwood, dark walnut-toned finish matching outer leather, 30 mm square section at floor | |
| Floor glides | 8 mm thick non-marking nylon foot pads attached to leg bases | |
| Internal support webbing | 50 mm wide elastic webbing, 80 mm spacing under seat foam | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seating posture support | Upright fixed 100-degree backrest angle with integrated lumbar curve for upright dining posture | |
|---|---|---|
| Arm support | Continuous wraparound armrests integrated with back and seat shell, supporting forearms at table height | |
| Floor protection | Fixed non-marking glides prevent floor scratches on hard flooring and low-pile carpet | |
| Structural stability | Four fixed splayed tapered legs provide 600 mm wide stance for tip resistance during regular use | |
| Upholstery aging performance | Full-grain saddle leather develops natural patina with regular use without structural degradation | |
| Assembly requirement | Minimal foot glide and leg attachment with included Allen wrench hardware, no complex upholstery assembly | |
| 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 | Pairs with 760 mm high dining tables for formal or modern casual home dining spaces | |
|---|---|---|
| Cafe and bistro seating | Commercial-grade leather durability supports high-turnover daily seating in hospitality settings | |
| Home office guest seating | Upright posture and compact footprint make it suitable for side seating in home workspaces | |
| Open plan kitchen island seating | Compact 630 mm width fits standard island overhangs for casual dining use | |
| Boutique hotel guest room seating | Two-tone leather finish complements modern luxury interior design schemes for guest room desk or seating areas | |
| 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, applicable to residential dining chair performance | |
|---|---|---|
| EN 1022:2018 | Furniture seating determination of stability, applicable to four-leg fixed chair tip resistance testing | |
| EN 13356:2000 | Upholstery leather for furniture, applicable to leather abrasion and tear strength requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge and public seating, applicable for light commercial dining application load and durability testing |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame structural integrity | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture, applicable to formaldehyde emission limits | |
| GB/T 16799-2008 | Furniture leather, applicable to upholstery leather physical performance and fastness requirements |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame structural integrity; 2. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture, applicable to formaldehyde emission limits; 3. GB/T 16799-2008: Furniture leather, applicable to upholstery leather physical performance and fastness requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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