| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 570 x 820 mm | |
|---|---|---|
| Seat height | 500 mm | |
| Seat cushion dimensions | 500 x 470 mm | |
| Seat cushion thickness | 65 mm | |
| Backrest height above seat | 320 mm | |
| Armrest height above seat | 220 mm | |
| Tubular frame diameter | 22 mm | |
| Vertical back slat diameter | 12 mm | |
| Box stretcher height above floor | 120 mm | |
| Leg floor contact width | 18 mm | |
| Seat depth usable | 440 mm | |
| Knee clearance under seat front | 435 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 | 11 kg | |
|---|---|---|
| Static seat load capacity | 250 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 42% | |
| Frame weld joint static load | 300 kg | |
| Floor glide compressive strength | 120 kg per glide | |
| Recommended daily use cycles | 15000 | |
| 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
| Main frame | 18 gauge carbon steel tubular frame with matte black powder coating | |
|---|---|---|
| Back slats | Solid bent steel rods welded to top and seat frame with matching black finish | |
| Seat cushion support | Perforated steel sheet base welded to seat frame | |
| Seat fill material | High-density injection-molded polyurethane foam pad | |
| Seat upholstery | 1.0mm thick matte black PU faux leather surface | |
| Box stretcher assembly | Welded rectangular tubular steel frame connecting all four legs | |
| Floor protection | Injected plastic non-slip floor glides pressed onto each leg end | |
| Upholstery seam construction | Reinforced stitched perimeter with 8mm stitch pitch | |
| Finish properties | Scuff-resistant matte powder coat suitable for indoor commercial use | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating support | Fixed rigid seat positioned at standard dining height for table use | |
|---|---|---|
| Back support | Curved vertical metal slats provide mid-back lumbar support for upright dining posture | |
| Arm support | Continuous bent tubular armrests connect front legs to back frame for forearm rest | |
| Structural stability | Welded box stretcher connects all four legs to eliminate frame wobble | |
| Floor protection | Replaceable plastic glides prevent scratching hard flooring surfaces | |
| Cleaning suitability | Wipe-clean PU upholstery allows quick removal of food and drink spills | |
| Stacking capability | Non-stackable fixed frame design intended for permanent table placement | |
| Assembly requirement | Knock-down assembly with bolted frame joints and included hardware | |
| 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 home dining tables as matching armchair seating with modern decor | |
|---|---|---|
| Commercial restaurant seating | Durable metal frame supports high-traffic cafe, bistro and restaurant use | |
| Office break room seating | Appropriate for staff lunch areas and informal meeting spaces | |
| Indoor balcony casual seating | Compact footprint fits small balcony spaces for casual tea and seating | |
| Open plan workspace side seating | Usable as guest seating adjacent to standing desks or collaborative tables | |
| Recommended table compatibility | Pairs with dining tables 760 mm in height for ergonomic seating posture | |
| 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 | Applicable to domestic and contract seating strength, durability and safety requirements | |
|---|---|---|
| EN 1022:2018 | Applicable to seating stability test methods for upright dining chairs | |
| EN 16139:2013 | Applicable to non-domestic seating strength requirements for contract dining use |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to general technical requirements for metal furniture seating strength and stability | |
|---|---|---|
| GB 18584-2001 | Applicable to limit of harmful substances in indoor wooden and upholstered furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to general technical requirements for metal furniture seating strength and stability; 2. GB 18584-2001: Applicable to limit of harmful substances in indoor wooden and upholstered furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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