| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 530 x 530 x 890 mm | |
|---|---|---|
| Seat height | 510 mm | |
| Seat width | 470 mm | |
| Seat depth | 450 mm | |
| Backrest height | 420 mm | |
| Backrest width | 450 mm | |
| Leg splay width | 510 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest padding thickness | 50 mm | |
| Leg diameter at floor | 18 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended static load capacity | 136 kg | |
|---|---|---|
| Net weight per chair | 7 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 30000 cycles | |
| Powder coating scratch resistance | Level 2 | |
| Anti-slip foot pad static friction | 0.6 | |
| 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 and back upholstery | 1.0mm thick charcoal PU faux leather | |
|---|---|---|
| Seat padding | High-resilience polyurethane foam | |
| Backrest padding | Medium-density polyurethane foam | |
| Internal seat frame | 1.2mm thick powder-coated steel | |
| Legs | 1.5mm thick matte black powder-coated carbon steel | |
| Foot pads | Non-marking TPE rubber | |
| Seam construction | Bonded stitching with 8mm pitch | |
| Leg mounting hardware | Zinc-plated steel bolts and brackets | |
| 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 with 10° backrest angle | |
|---|---|---|
| Under-table clearance | 460 mm clearance between seat and underside of standard tables | |
| Stability design | Four outward-splayed legs with 510mm base spread | |
| Floor protection | TPE foot pads at each leg base | |
| Cleaning function | Non-porous faux leather surface | |
| Assembly function | Knock-down leg attachment with included hex key | |
| Structural reinforcement | Cross-braced under-seat steel frame | |
| 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 | Pairs with standard height dining tables for daily family meals | |
|---|---|---|
| Kitchen breakfast nook | Compact footprint fits small kitchen dining spaces | |
| Home office guest seating | Upright posture suitable for short meetings at work desks | |
| Cafe and bistro seating | Durable faux leather withstands high-traffic commercial use | |
| Apartment or small space living | Sleek minimalist silhouette fits in tight floor plans | |
| 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
| Furniture strength | EN 12520:2015 | |
|---|---|---|
| Surface durability | EN 14465:2003 |
Standards applicable to China-market projects
| Stability reference | GB/T 3324 | |
|---|---|---|
| Upholstery safety | GB 20400 |
This product must meet the following technical requirements: 1. Stability reference: GB/T 3324; 2. Upholstery safety: GB 20400; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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