| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 555 x 600 x 880 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat width | 515 mm | |
| Seat depth | 480 mm | |
| Backrest height | 420 mm | |
| Backrest width | 480 mm | |
| Leg tube diameter | 20 mm | |
| Leg spread width | 500 mm | |
| Seat cushion thickness | 114 mm | |
| Floor to seat front edge height | 455 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
| Recommended static load capacity | 140 kg | |
|---|---|---|
| Per chair net weight | 8 kg | |
| Foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Leg tip static load rating | 35 kg per leg | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Limited warranty period | 3 years | |
| Available color options | 5 finishes | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick dark gray PU faux leather | |
|---|---|---|
| Cushion fill material | High-density polyurethane foam | |
| Internal seat shell | 12mm thick molded plywood | |
| Leg construction | Matte black powder-coated carbon steel tubing | |
| Foot pads | Non-slip polypropylene rubber pads | |
| Assembly hardware | Zinc-plated steel screws | |
| Backrest support structure | Integrated molded plywood reinforcement | |
| Metal leg surface finish | Epoxy powder coating | |
| 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 | Contoured integrated seat-back with 100° fixed back angle | |
|---|---|---|
| Tuck-under design | Armless profile with 455mm front seat height | |
| Stability mechanism | Four outward-splayed legs with 500mm base spread | |
| Floor protection function | 8mm thick non-marking rubber foot pads | |
| Assembly configuration | Knock-down leg attachment with 4 screws per chair | |
| Surface maintenance | Wipe-clean stain-resistant PU upholstery | |
| Weight distribution design | Curved waterfall seat front edge | |
| 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 | Seating for 6seater standard height dining tables | |
|---|---|---|
| Kitchen breakfast nook use | Compact armless design fits small dining nooks and counter-height adjacent areas | |
| Café and restaurant seating | Durable wipe-clean upholstery suitable for light commercial foodservice use | |
| Home office guest seating | Slim profile fits alongside desks for occasional visitor seating | |
| Apartment and rental furnishing | Neutral dark gray finish coordinates with modern minimalist interior schemes | |
| Hotel banquet ancillary seating | Stackable (note: non-stackable fixed leg design) usable in meeting 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 | Furniture - Seating - Mechanical safety requirements for domestic seating | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability for all seating types | |
| EN 16139:2013 | Furniture - Strength, durability and safety for non-domestic seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal plywood shell components | |
|---|---|---|
| GB/T 3325-2017 | General technical requirements for metal furniture, applicable to steel leg structure | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, for formaldehyde emission testing | |
| GB/T 16799-2008 | Furniture leather, applicable to PU faux leather upholstery material |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood shell components; 2. GB/T 3325-2017: General technical requirements for metal furniture, applicable to steel leg structure; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, for formaldehyde emission testing; 4. GB/T 16799-2008: Furniture leather, applicable to PU faux leather upholstery material; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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