| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 510 x 550 x 840 mm | |
|---|---|---|
| Seat height | 470 mm | |
| Seat width | 460 mm | |
| Seat depth | 420 mm | |
| Backrest height | 400 mm | |
| Leg splay outer width | 480 mm | |
| Backrest top width | 430 mm | |
| Leg diameter at floor | 30 mm | |
| Under-seat clearance | 380 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 | 7 kg | |
|---|---|---|
| Static weight capacity | 159 kg | |
| Recommended user weight | 120 kg | |
| Plastic shell impact resistance | 10000 drop cycles | |
| Leg joint static load | 200 kg per leg | |
| Floor caster/protector load rating | 40 kg per foot | |
| Surface scratch resistance | 4000 abrasion cycles | |
| Available color count | 6 | |
| 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 shell | 5mm thick matte grey injection-molded polypropylene | |
|---|---|---|
| Leg structure | Solid beech wood with light natural oak-toned matte finish | |
| Leg-to-seat connectors | 1.5mm thick powder-coated steel mounting brackets | |
| Floor protection feet | 30mm diameter non-marking plastic glides | |
| Shell edge finish | Rounded 3mm radius smooth rolled edge | |
| Wood leg surface treatment | Clear water-based lacquer topcoat | |
| Mounting hardware | M6 zinc-plated steel screws | |
| Shell structural reinforcement | Integral molded ribbing under seat pan | |
| 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 function | Fixed upright contoured bucket seat for dining use, no adjustment mechanisms | |
|---|---|---|
| Leg assembly requirement | Customer attaches four legs to seat shell with included hardware | |
| Floor protection function | Non-marking glides prevent scuffing on hard wood and tile floors | |
| Stacking capability | Non-stackable fixed leg design, chairs cannot be nested for storage | |
| Cleaning function | Wipe-clean non-porous PP shell resists liquid spills and food stains | |
| Ergonomic support | Contoured waterfall seat edge reduces leg pressure during extended 2-hour seating sessions | |
| 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 space | Suitable for home dining rooms paired with 750mm height standard dining tables | |
|---|---|---|
| Commercial cafe and restaurant use | Durable wipe-clean shell suitable for high-traffic casual dining and coffee shop seating | |
| Home office supplementary seating | Compact armless form works as guest seating beside home office desks | |
| Breakroom and co-working space use | Scratch-resistant shell supports daily use in employee break and collaborative areas | |
| Small apartment dining nook | Slim profile fits compact dining areas in small urban residential units | |
| Outdoor covered patio use | PP shell resists moisture for covered semi-outdoor seating 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 strength, durability and safety for domestic seating, applicable to dining chair performance | |
|---|---|---|
| EN 1022:2018 | Seating stability test method, applicable to verifying splayed leg tip resistance |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood leg structure | |
|---|---|---|
| GB/T 28007-2011 | Furniture for children and adult dining use, applicable to chair strength and stability testing | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to wood leg finish emissions |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood leg structure; 2. GB/T 28007-2011: Furniture for children and adult dining use, applicable to chair strength and stability testing; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to wood leg finish emissions; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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