| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 550 x 920 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat width | 480 mm | |
| Seat depth | 430 mm | |
| Backrest height | 470 mm | |
| Armrest height above seat | 200 mm | |
| Leg tube diameter | 25 mm | |
| Leg spread width | 500 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 unit | 12 kg | |
|---|---|---|
| Static load capacity | 200 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam compression cycle durability | 10000 cycles | |
| Leg salt spray resistance | 800 hours | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| 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
| Seat and inner back upholstery | Light blue polyester fabric, 1.2mm thick | |
|---|---|---|
| Outer back and side upholstery | Grey polyester fabric, 1.2mm thick | |
| Seat cushion padding | High-resilience polyurethane foam, 80mm thick | |
| Backrest padding | High-resilience polyurethane foam, 50mm thick | |
| Internal seat frame | 12mm thick plywood base | |
| Leg structure | Tapered steel tube with matte black powder coating | |
| Foot protection | Non-marking plastic floor glides | |
| Seam stitching | Reinforced polyester thread with 8mm stitch 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seating posture support | Upright 100-degree back angle for formal dining use | |
|---|---|---|
| Integrated armrest support | Continuous wrap-around armrests connected to backrest for elbow support | |
| Floor protection | Non-marking glides prevent scuffing on hard floor surfaces | |
| Fixed height seating | 450mm seat height aligned to standard 750mm dining tables | |
| Stability design | Splayed four-leg configuration prevents tipping during normal use | |
| Cleaning compatibility | Smooth upholstery surface supports spot cleaning with mild detergent | |
| 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 | Paired with standard height dining tables for everyday family meals | |
|---|---|---|
| Commercial restaurant seating | Used in cafes, bistros and casual dining outlets | |
| Breakout meeting areas | Deployed in office breakout zones for casual collaborative seating | |
| Home kitchen island seating | Positioned at kitchen counters of standard table height | |
| Reception guest seating | Used in reception areas for short-term visitor 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 | Domestic furniture strength, durability and safety for seating | |
|---|---|---|
| EN 1022:2018 | Seating stability test method for upright non-adjustable chairs |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to steel frame structure | |
|---|---|---|
| GB/T 16799-2008 | Furniture standard for upholstered seating durability and safety |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to steel frame structure; 2. GB/T 16799-2008: Furniture standard for upholstered seating durability and safety; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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