| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 445 x 514 x 895 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat width | 440 mm | |
| Seat depth | 420 mm | |
| Seat panel thickness | 22 mm | |
| Backrest height above seat | 445 mm | |
| Central back slat width | 80 mm | |
| Circular back cutout diameter | 40 mm | |
| Leg diameter | 35 mm | |
| Front stretcher height above floor | 295 mm | |
| Rear leg spread width | 425 mm | |
| Knee clearance height under seat | 270 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 | 6.4 kg | |
|---|---|---|
| Static weight capacity | 150 kg | |
| Maximum recommended user weight | 120 kg | |
| Seat surface linear cutout width | 8 mm | |
| Joinery static load rating | 300 kg | |
| Floor protection glide diameter | 20 mm | |
| Finish abrasion resistance | 1000 cycles | |
| Warranty period | 3 years | |
| Available color options | 4 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame and legs | Solid oak hardwood, natural matte clear lacquer finish | |
|---|---|---|
| Seat panel | Solid hardwood planks with narrow linear gaps, smooth sanded finish | |
| Central back slat | Solid hardwood panel with 40mm circular cutout, matching wood finish | |
| Top back rail | Rounded solid hardwood dowel with rolled end caps, matching frame finish | |
| Stretcher bracing | Solid hardwood diagonal and horizontal dowels, mortise-and-tenon joinery | |
| Seat apron | Solid hardwood perimeter frame under seat, screwed and glued reinforcement | |
| Floor glides | Injection-molded nylon with felt bottom pads, press-fit into leg ends | |
| Surface finish | Low-VOC water-based matte lacquer, 0.15mm coating thickness | |
| 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 support | Fixed rigid wood seat with no recline, swivel or height adjustment | |
|---|---|---|
| Back support | Single central slat provides lumbar support with open visual profile | |
| Structural bracing | Diagonal and horizontal stretchers prevent leg racking under load | |
| Floor protection | Replaceable felt glides prevent hardwood and tile floor scratching | |
| Seat ventilation | Narrow linear seat cutouts allow air circulation and liquid drainage | |
| Stacking capability | Non-stackable fixed frame design for permanent dining placement | |
| Cleaning performance | Smooth lacquered wood surface wipes clean with dry or damp cloth | |
| 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 height dining tables for daily meal seating | |
|---|---|---|
| Cafes and casual restaurants | Smooth wood finish suitable for light commercial hospitality use | |
| Home office or study rooms | Serves as compact guest or desk side chair for occasional work use | |
| Waiting and lounge areas | Provides lightweight casual seating in reception or break room spaces | |
| Small apartment living spaces | Narrow footprint fits compact urban apartment dining nooks | |
| 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 | Domestic furniture strength, durability and safety for seating, applicable to residential dining chair performance | |
|---|---|---|
| EN 1022:2018 | Domestic furniture seating determination of stability, applicable to chair tipping resistance testing |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to structural stability and finish quality | |
|---|---|---|
| GB 18584-2001 | Indoor decorating and refurbishing materials limit of harmful substances for wood furniture, applicable to formaldehyde emission limits |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to structural stability and finish quality; 2. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances for wood furniture, applicable to formaldehyde emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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