| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 530 x 840 mm | |
|---|---|---|
| Seat height | 500 mm | |
| Seat width | 480 mm | |
| Seat depth | 420 mm | |
| Backrest height | 400 mm | |
| Armrest height | 690 mm | |
| Cushion thickness | 115 mm | |
| Leg spread width | 520 mm | |
| Leg taper angle | 12 degrees | |
| 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 | 10 kg | |
|---|---|---|
| Static load capacity | 250 kg | |
| Recommended user weight | 125 kg | |
| Cushion foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Shell impact resistance | 10 J drop test | |
| Floor protection rating | Non-scratching for hard floors | |
| Seam stitch pitch | 8 stitches per inch | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat/back/arm shell | Matte molded high-impact polypropylene | |
|---|---|---|
| Seat cushion fabric | Woven polyester upholstery | |
| Cushion core | High-resilience polyurethane foam | |
| Legs | Solid beech wood with matte black finish | |
| Leg mounting hardware | Zinc-plated steel screws and rivets | |
| Foot pads | Non-slip non-marking polyethylene caps | |
| Shell wall thickness | 5 mm | |
| Leg cross-section | 30 x 30 mm at mounting point | |
| 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 function | Fixed upright dining posture support | |
|---|---|---|
| Cushion attachment | Removable fit for cleaning and replacement | |
| Floor protection | Padded foot caps prevent scratching hard flooring | |
| Assembly requirement | Knock-down leg attachment with included hardware | |
| Surface maintenance | Wipe-clean matte shell resists spills and stains | |
| Stacking capability | Non-stackable fixed wood leg design | |
| Back support | Angled ergonomic back with lumbar contact | |
| Arm support | Integrated continuous armrests for forearm rest | |
| 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 | Seating for standard 750mm height dining tables | |
|---|---|---|
| Home office desk side | Guest or task seating for writing or computer work | |
| Kitchen breakfast nook | Compact seating for casual kitchen dining spaces | |
| Cafe and bistro use | Light commercial seating for casual food service venues | |
| Apartment and small space | Slim profile fits compact urban living spaces | |
| Color-coordinated interiors | Dusty rose and gray palette complements modern 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 | Domestic furniture seating strength, durability and safety requirements | |
|---|---|---|
| EN 1022:2018 | Domestic seating stability test methods for non-adjustable chairs |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood leg components | |
|---|---|---|
| GB/T 28007-2011 | Strength and durability requirements for chairs and stools for domestic use |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood leg components; 2. GB/T 28007-2011: Strength and durability requirements for chairs and stools for domestic use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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