| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 490 x 535 x 841 mm | |
|---|---|---|
| Seat height from floor | 483 mm | |
| Seat depth (front to back) | 406 mm | |
| Internal backrest height (seat to top) | 409 mm | |
| Seat usable width (narrowest point) | 440 mm | |
| Leg splay base footprint diameter | 520 mm | |
| Front seat edge waterfall overhang | 30 mm | |
| Wood leg cross-section width | 32 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 chair | 5.5 kg | |
|---|---|---|
| Static vertical weight capacity | 136 kg | |
| Recommended user weight limit | 120 kg | |
| Shell wall thickness | 5 mm | |
| Leg assembly joint static load rating | 150 kg | |
| Expected service life for regular use | 5 years | |
| Available color finish options | 8 | |
| 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 shell | Matte polypropylene (PP) copolymer, 5mm wall thickness, seamless molded | |
|---|---|---|
| Support leg frame | Solid steamed beech wood, natural clear lacquer finish, cross-braced H-stretcher | |
| Leg mounting hardware | Zinc-plated steel M6 bolt sets with pre-installed threaded inserts | |
| Floor protection pads | 8mm thick non-marking natural rubber pads, fitted to each leg base | |
| Shell surface finish | Textured matte non-glare finish, stain-resistant and wipe-clean | |
| Wood leg finish | Low-VOC water-based clear lacquer, 2 coat application, light walnut tone appearance | |
| Joint connection brackets | Powder-coated steel angle brackets connecting shell to wood frame | |
| Seam and edge treatment | Radius 3mm rounded edges on all shell perimeters, no sharp edges | |
| 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
| Height and tilt adjustment | No adjustable mechanisms; fixed static seating position | |
|---|---|---|
| Mobility and rotation | No swivel, casters, or folding mechanism; fixed stationary placement | |
| Seating ergonomics | Contoured waterfall front seat edge and curved lumbar back support for upright dining posture | |
| Stacking capability | Non-stackable design; cross-braced wood base prevents vertical nesting | |
| Floor compatibility | Non-slip rubber foot pads safe for hard wood, tile, and laminate flooring without scratching | |
| Cleaning and maintenance | Smooth non-porous shell surface wipes clean with damp cloth, no fabric/upholstery to stain | |
| Assembly requirement | Knock-down assembly required; 8 bolts attach pre-finished legs to shell with included Allen key | |
| Tuck-under clearance | Armless low-profile design fits fully under standard 750mm height dining tables for space saving | |
| 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 rooms | Pairs with standard height dining tables for 6person dining setups | |
|---|---|---|
| Cafes and casual restaurants | Durable easy-clean shell suitable for high-turnover casual dining environments | |
| Home office desk seating | Armless compact profile fits under standard 750mm height office desks for guest or task seating | |
| Break rooms and conference areas | Lightweight stackable alternative? No, fixed design suitable for static employee break seating | |
| Small apartment dining spaces | Minimalist visual profile and armless design reduces visual clutter in compact spaces | |
| Outdoor covered patio use | Waterproof PP shell resists moisture for semi-outdoor covered dining 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
| Furniture - Seating - Test methods for strength and durability | EN 12520:2015 | |
|---|---|---|
| Furniture - Chairs and tables for domestic use - Mechanical safety requirements | EN 1022:2018 | |
| Furniture - Assessment of surface resistance to cold liquids | EN 12720:2013 |
Standards applicable to China-market projects
| General technical requirement for furniture (chairs and stools) | GB/T 3324 | |
|---|---|---|
| Furniture mechanical performance test for seating | GB/T 10357.3 | |
| Limit of harmful substances in wooden furniture | GB 18584 |
This product must meet the following technical requirements: 1. General technical requirement for furniture (chairs and stools): GB/T 3324; 2. Furniture mechanical performance test for seating: GB/T 10357.3; 3. Limit of harmful substances in wooden furniture: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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