| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 630 x 580 x 920 mm | |
|---|---|---|
| seat height | 508 mm | |
| seat usable width | 470 mm | |
| seat usable depth | 470 mm | |
| seat cushion thickness | 80 mm | |
| backrest height above seat | 412 mm | |
| armrest height above floor | 660 mm | |
| armrest pad diameter | 40 mm | |
| leg tube diameter | 25 mm | |
| backrest thickness | 60 mm | |
| front leg splay angle | 12 degrees | |
| floor glide diameter | 30 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 | 10 kg | |
|---|---|---|
| static load capacity | 150 kg | |
| seat foam density | 45 kg/m³ | |
| foam resilience rate | 45 % | |
| upholstery Martindale abrasion resistance | 30000 double rubs | |
| frame static load test threshold | 1500 N | |
| recommended user weight | 136 kg | |
| frame warranty period | 1 year | |
| available color options | 4 | |
| seam stitch pitch | 8 stitches per 30mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| upholstery fabric | Light gray polyester woven fabric | |
|---|---|---|
| seat/back padding | High-density polyurethane foam | |
| seat inner core | 12 mm thick plywood panel | |
| support frame | 1.8 mm thick matte black powder-coated steel tube | |
| powder coat finish | 80 micron thick matte black powder coating | |
| armrest pads | Polyester fabric wrapped foam cylinders | |
| foot glides | Non-marking thermoplastic glides | |
| frame weld joints | Fully ground and finished TIG welds | |
| fabric backing | Non-woven polypropylene dust cover | |
| 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 function | Fixed upright seating position for dining use | |
|---|---|---|
| arm support | Padded horizontal armrests for resting elbows during meals | |
| floor protection | Non-marking glides prevent scratches on hard floor surfaces | |
| assembly requirement | Partial assembly requiring leg attachment to seat frame | |
| weight distribution | Splayed tapered legs distribute load evenly for stability | |
| back support | Upright rectangular backrest provides lumbar support for seated dining | |
| stackability | Non-stackable fixed frame design | |
| upholstery maintenance | Spot-cleanable fabric surface for routine stain removal | |
| 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 | Paired with standard height dining tables for daily meal seating | |
|---|---|---|
| cafe and restaurant seating | Durable construction for frequent commercial guest use | |
| home office guest seating | Upright posture suitable for short-term visitor seating | |
| hotel conference breakout areas | Consistent minimalist design coordinates with modern interiors | |
| small apartment dining nooks | Compact dimensions fit limited space dining areas | |
| open plan kitchen counter seating | Appropriate height for standard kitchen island overhangs | |
| 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 - Strength, durability and safety for domestic seating | |
|---|---|---|
| EN 1022:2018 | Test method for seating stability, applicable to four-leg dining chairs | |
| 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 upholstered seating structure | |
|---|---|---|
| GB/T 10357.3-2013 | Test method for strength and durability of chair and stool seating surfaces | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to plywood core |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to upholstered seating structure; 2. GB/T 10357.3-2013: Test method for strength and durability of chair and stool seating surfaces; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to plywood core; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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