| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 630 x 630 x 960 mm | |
|---|---|---|
| Seat diameter | 530 mm | |
| Seat height from floor | 470 mm | |
| Backrest top rail height above seat | 490 mm | |
| Center back support slat width | 80 mm | |
| Circular base frame diameter | 540 mm | |
| Seat cushion thickness | 80 mm | |
| Metal frame tube diameter | 25 mm | |
| Decorative back cutout diameter | 30 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
| Recommended static user load | 150 kg | |
|---|---|---|
| Net product weight | 17 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 cycles | |
| Frame static load capacity | 300 kg | |
| Seam stitch pitch | 8 stitches per inch | |
| 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
| Frame structure | Polished mirror-finish stainless steel tube | |
|---|---|---|
| Seat upholstery | White smooth PU leather | |
| Seat fill material | High-resilience polyurethane foam | |
| Back central slat | Flat polished stainless steel sheet with quatrefoil cutout | |
| Frame wall thickness | 1.2 mm | |
| Base foot pads | Non-slip plastic floor protection glides | |
| Seat base support panel | 12 mm thick plywood board | |
| Hardware fasteners | Zinc-plated steel assembly bolts | |
| 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
| Frame type | Fixed rigid non-reclining, non-swivel structure | |
|---|---|---|
| Assembly requirement | Knockdown flat-pack assembly with included hardware | |
| Floor protection | Integrated non-marring glides prevent hard floor scratches | |
| Seat orientation | Fixed forward-facing backrest support | |
| Stackability | Non-stackable fixed frame design | |
| Upholstery cleaning | Smooth wipe-clean surface for quick spill removal | |
| 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
| Tea room use | Suitable for dedicated home or commercial tea table seating | |
|---|---|---|
| Dining accent use | Suitable as compact armless dining side chair | |
| Hotel lounge use | Suitable for hotel lobby or lounge corner accent seating | |
| Home study use | Suitable as secondary desk or reading side chair | |
| Balcony casual use | Suitable for small balcony or sunroom casual seating | |
| 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 applicability | Applies to domestic seating strength, durability and stability requirements | |
|---|---|---|
| EN 1022:2018 applicability | Applies to seating stability testing for domestic use | |
| EN 13356:2019 applicability | Applies to anti-slip furniture floor protection performance |
Standards applicable to China-market projects
| GB/T 3324-2017 applicability | Applies to metal furniture general technical specifications | |
|---|---|---|
| GB 18584-2001 applicability | Applies to furniture interior decoration material harmful emission limits |
This product must meet the following technical requirements: 1. GB/T 3324-2017 applicability: Applies to metal furniture general technical specifications; 2. GB 18584-2001 applicability: Applies to furniture interior decoration material harmful emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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