| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 630 x 1054 mm | |
|---|---|---|
| Seat height from floor | 508 mm | |
| Seat cushion usable depth | 457 mm | |
| Seat cushion usable width | 500 mm | |
| Backrest height above seat | 400 mm | |
| Armrest height above seat | 200 mm | |
| Seat cushion thickness | 80 mm | |
| Metal leg outer diameter | 22 mm | |
| Floor clearance under seat front | 250 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
| Static weight capacity | 200 kg | |
|---|---|---|
| Net product weight | 14 kg | |
| Fabric abrasion resistance | 100000 double rubs | |
| Recommended daily user weight | 150 kg | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Seam stitching pitch | 8 mm | |
| 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
| Seat upholstery fabric | Light gray polyester-blend performance fabric, 0.8mm thickness | |
|---|---|---|
| Backrest upholstery | Light gray matching fabric with vertical channel stitching | |
| Seat cushion fill | 45kg/m³ high-density polyurethane foam wrapped with Dacron | |
| Backrest fill | 30kg/m³ molded polyurethane foam with vertical channel tufting | |
| Structural frame and legs | 1.2mm thick powder-coated dark carbon steel tubing with under-seat cross bracing | |
| Integrated armrest pads | Same light gray fabric over padded foam support, mounted to steel arm supports | |
| Leg floor glides | 12mm diameter nylon non-scratch glides fitted to leg bases | |
| Frame surface finish | Matte dark gunmetal powder coat, scratch and rust resistant | |
| 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 upright 105-degree seat-to-back angle for formal dining use | |
|---|---|---|
| Frame stability reinforcement | Welded under-seat cross bracing connects all four legs to reduce wobble | |
| Armrest load support | Integrated steel-supported armrests hold 50kg static vertical load per side | |
| Floor protection | Nylon glides at leg bases slide smoothly without scratching hard floor surfaces | |
| Backrest support | Channel-stitched curved back provides continuous lumbar support for seated users | |
| Assembly structure | Knock-down design with leg-to-frame bolted connections for easy shipping | |
| Color customization | Upholstery and frame finish available in multiple custom color options | |
| 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 use | Pairs with standard 750mm height dining tables for daily family meals | |
|---|---|---|
| Cafe and bistro seating | Durable steel frame and upholstered surface suits light commercial food service | |
| Hotel guest room desk seating | Compact footprint and upright posture work as writing desk chair | |
| Small apartment breakfast nook placement | Narrow tapered legs and integrated armrests fit compact dining spaces | |
| Office break room seating | Easy-clean surface and comfortable padding support casual staff break use | |
| Recommended table compatibility | Pairs with 760 mm height dining tables or counters for ergonomic arm clearance | |
| 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 seating strength, durability and safety test standard | |
|---|---|---|
| EN 1022:2018 | Seating furniture stability testing for non-adjustable domestic chairs | |
| EN 16139:2013 | Non-domestic seating strength and durability for contract dining use |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to structural safety of steel frame | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material hazardous substance limit for wooden/furniture upholstery | |
| GB/T 19001-2016 | Quality management system guidance for furniture manufacturing consistency |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to structural safety of steel frame; 2. GB 18584-2001: Indoor decoration material hazardous substance limit for wooden/furniture upholstery; 3. GB/T 19001-2016: Quality management system guidance for furniture manufacturing consistency; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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