| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 580 x 830 mm | |
|---|---|---|
| Seat height | 490 mm | |
| Seat depth | 490 mm | |
| Seat width | 480 mm | |
| Backrest height from seat | 380 mm | |
| Backrest rake angle | 15 degrees | |
| Armrest height from floor | 730 mm | |
| Armrest grip length | 280 mm | |
| Leg taper length | 450 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 | 11 kg | |
|---|---|---|
| Recommended static load capacity | 159 kg | |
| Frame torsion resistance | 1800 Nm | |
| Fabric breathability | 1500 g/m²/24h | |
| Fabric water repellency rating | 5 | |
| Fabric stain resistance grade | 4 | |
| Welded joint strength increase | 25% | |
| 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 cushion padding | 60 mm high-density polyurethane foam | |
|---|---|---|
| Backrest padding | 40 mm high-density polyurethane foam | |
| Upholstery fabric | 330 gsm linen-blend fabric, light beige | |
| Frame material | 2.0 mm thick carbon steel bent tube | |
| Frame finish | Matte black powder coating | |
| Armrest construction | Tubular steel core wrapped in matching beige upholstery | |
| Foot glides | Non-marking thermoplastic tips | |
| Internal seat support | 8 mm thick plywood seat base | |
| Stitching specification | 8 stitches per inch seam pitch | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Frame structure | Fixed rigid four-leg design, no swivel, no height adjustment | |
|---|---|---|
| Back support function | 15-degree raked upright backrest for lumbar support during dining | |
| Armrest function | Curved padded armrests for forearm rest, 240 mm clearance under grips | |
| Seat comfort | Squared padded seat with even weight distribution for 2+ hour seating | |
| Assembly requirement | Knock-down leg attachment with included hardware, tools included | |
| Floor protection | Plastic glides prevent floor scratching on hard flooring surfaces | |
| Cleaning suitability | Stain-resistant treated fabric allows spot cleaning with 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 room | Suitable for standard 750mm height dining tables, paired in sets of 2,4,6 for home use | |
|---|---|---|
| Commercial cafe/restaurant | Durable metal frame and stain-resistant fabric suited for high-traffic food service areas | |
| Office reception/meeting area | Upright posture suitable for short-term visitor seating in meeting or lounge spaces | |
| Kitchen breakfast nook | Compact footprint fits small dining nooks and kitchen counter height seating areas | |
| Hotel guest room seating | Neutral beige color and minimalist design matches contemporary hotel furnishing schemes | |
| 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 | Seating furniture determination of stability for non-domestic and domestic use | |
| EN 16139:2013 | Contract seating non-domestic strength and durability requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office seating static and dynamic load test reference for side seating |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to frame strength and stability | |
|---|---|---|
| GB/T 19889.1-2005 | Furniture seating safety requirements for domestic and contract use | |
| GB 18584-2001 | Limit of harmful substances in wooden and upholstered furniture, applicable to foam and fabric |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to frame strength and stability; 2. GB/T 19889.1-2005: Furniture seating safety requirements for domestic and contract use; 3. GB 18584-2001: Limit of harmful substances in wooden and upholstered furniture, applicable to foam and fabric; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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