| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 570 x 600 x 870 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat usable width | 500 mm | |
| Seat usable depth | 470 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest total height from seat | 410 mm | |
| Integrated armrest height from floor | 700 mm | |
| Horizontal open gap between seat and backrest | 80 mm | |
| Metal leg tube diameter | 22 mm | |
| Leg splay outward offset from seat edge | 120 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
| Unit net weight | 14 kg | |
|---|---|---|
| Recommended static weight capacity | 125 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Floor glide static load rating per leg | 40 kg | |
| Standard available color count | 4 | |
| 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 | 1.2mm thick dark charcoal faux leather (PU microfiber) | |
|---|---|---|
| Seat inner support panel | 12mm thick multi-layer plywood | |
| Seat and back padding | High-resilience polyurethane foam | |
| Legs and support brackets | 1.5mm thick powder-coated gunmetal steel | |
| Mounting hardware | Zinc-plated steel bolts and lock nuts | |
| Leg floor glides | Non-abrasive injection-molded plastic caps | |
| Back support brackets | Laser-cut bent steel plate with matte gunmetal finish | |
| Upholstery seam construction | Reinforced stitched seams 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
| Frame structure | Fixed static non-swivel, non-reclining, non-height-adjustable rigid frame | |
|---|---|---|
| Integrated armrest support | Curved wrap-around backrest extends to form 700mm high padded armrests | |
| Backrest support | Dual gunmetal steel brackets bolted to seat frame for rigid back retention | |
| Assembly requirement | Knock-down assembly with included hardware and step-by-step instructions | |
| Leg stability design | Four outward-splayed tapered legs with center gravity alignment to prevent tipping | |
| Cleaning and maintenance | Wipe-clean surface compatible with mild soap and soft cloth, no abrasive cleaners | |
| Floor protection function | Plastic glides on each leg base prevent scratching hard floor surfaces | |
| 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 | Suitable for daily meal seating at standard 750mm high dining tables | |
|---|---|---|
| Kitchen island seating | Appropriate for stationary use at kitchen counter dining overhangs | |
| Light commercial cafe use | Suitable for low-traffic cafe, bistro or hotel lounge dining areas | |
| Home office guest seating | Appropriate for short-duration visitor seating adjacent to home office desks | |
| Meeting room breakout seating | Suitable for informal small meeting spaces and breakout areas | |
| 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 requirements applicable for domestic seating furniture | |
|---|---|---|
| EN 1022:2019 | Stability test method applicable for fixed non-adjustable domestic chairs |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable for wooden and metal frame domestic dining furniture | |
|---|---|---|
| GB/T 16799-2008 | Performance requirements applicable for PU leather furniture upholstery materials | |
| GB 28007-2011 | Mechanical safety requirements applicable for fixed adult seating furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable for wooden and metal frame domestic dining furniture; 2. GB/T 16799-2008: Performance requirements applicable for PU leather furniture upholstery materials; 3. GB 28007-2011: Mechanical safety requirements applicable for fixed adult seating furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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