| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 650 x 800 mm | |
|---|---|---|
| Seat height (floor to seat top) | 510 mm | |
| Seat cushion width | 500 mm | |
| Seat cushion depth | 480 mm | |
| Seat cushion thickness | 115 mm | |
| Backrest height (seat top to back top) | 445 mm | |
| Armrest height (floor to arm top) | 660 mm | |
| Cantilever base depth (front to rear glide) | 550 mm | |
| Armrest pad length | 220 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
| Single chair net weight | 19 kg | |
|---|---|---|
| Static weight capacity | 150 kg | |
| Fabric abrasion resistance | 50000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Frame wall thickness | 1.5 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame construction | Matte black powder-coated carbon steel tube | |
|---|---|---|
| Seat upholstery | Light beige woven polyester fabric | |
| Backrest upholstery | Light beige polyester fabric with vertical channel stitching | |
| Armrest pads | Padded light beige fabric over rigid support | |
| Internal padding | High-density polyurethane foam | |
| Seat support structure | Elastic webbing under seat cushion | |
| Floor glides | Non-marking black plastic/rubber end caps | |
| Seam stitch pitch | 8 stitches per inch | |
| 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 non-swivel, non-reclining upright dining posture | |
|---|---|---|
| Base flex feature | Slight controlled spring deflection from bent cantilever frame | |
| Armrest support | Wrap-around padded arm support aligned to dining table elbow height | |
| Floor protection | Non-scratching glides prevent hard floor damage | |
| Back support | Curved semi-enclosed channel-stitched back for lumbar support | |
| Assembly requirement | Minimal partial assembly for arm pad alignment | |
| 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 space | Suitable for home dining tables, providing upright seating for meals | |
|---|---|---|
| Cafe and bistro use | Suitable for light commercial cafe seating with durable metal frame | |
| Reception and meeting areas | Appropriate for informal visitor seating in office reception zones | |
| Matching table height | Designed for use with standard 750 mm height dining tables | |
| Floor suitability | Safe for hardwood, tile, and low-pile carpeted floors | |
| Recommended configuration | Sold in sets of 2 for paired dining table placement | |
| 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 | Strength, durability and safety standard for domestic seating including dining chairs | |
|---|---|---|
| EN 1022:2018 | Stability test standard applicable to non-adjustable domestic dining chairs |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden/metal framed dining furniture | |
|---|---|---|
| GB/T 16799-2008 | Applicable standard for furniture-upholstery leather performance testing | |
| GB 18584-2001 | Applicable limit standard for formaldehyde release in wooden interior furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden/metal framed dining furniture; 2. GB/T 16799-2008: Applicable standard for furniture-upholstery leather performance testing; 3. GB 18584-2001: Applicable limit standard for formaldehyde release in wooden interior furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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