| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 400 x 400 x 440 mm | |
|---|---|---|
| Seat surface diameter | 350 mm | |
| Base contact diameter | 390 mm | |
| Total seat padding thickness | 80 mm | |
| Base trim height | 20 mm | |
| Side upholstery channel stitch count | 12 | |
| Seat edge piping width | 5 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 product weight | 6 kg | |
|---|---|---|
| Recommended static load capacity | 113 kg | |
| Seat foam density | 50D | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 30000 cycles | |
| Floor contact static friction coefficient | 0.6 | |
| Available color option count | 4 | |
| Residential use warranty period | 2 years | |
| 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 side upholstery | 0.8 mm thick PU artificial leather | |
|---|---|---|
| Internal support frame | 20 mm thick solid pine wood | |
| Seat filling | High-resilience polyurethane foam | |
| Side panel lining | 5 mm thick hardboard support | |
| Floor base trim | 1 mm thick black powder-coated iron ring | |
| Floor contact pad | 2 mm thick non-slip EVA foam | |
| Stitching thread | High-tenacity polyester sewing thread | |
| Seat edge piping | Matching PU covered cord piping | |
| 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 orientation | 360 degree accessible round seat | |
|---|---|---|
| Floor protection | Full perimeter anti-scuff base ring | |
| Assembly requirement | Fully assembled delivered unit | |
| Foldability | Non-folding fixed rigid structure | |
| Surface maintenance | Waterproof wipe-clean PU surface | |
| Storage integration | No internal storage compartment | |
| Rotating function | Fixed non-swivel structure | |
| Height adjustment | Fixed 440 mm seating height | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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
| Tea table seating | Pairs with standard 450mm height tea tables for casual home tea service | |
|---|---|---|
| Bedroom vanity seating | Fits under standard 750mm height dressing tables for makeup application | |
| Entryway shoe changing | Compact footprint suitable for entry zones for temporary seating | |
| Commercial dressing areas | Suitable for hotel, salon or retail fitting room additional seating | |
| Living room extra seating | Lightweight movable seat for occasional guest use in living spaces | |
| Recommended matching furniture | Pairs with light-luxury style ceramic, wood or stone top tea and side tables | |
| 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 for load testing | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture flammability - cigarette ignition resistance, applicable for fire safety |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for frame stability testing | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable for formaldehyde emission checks | |
| GB/T 16799-2008 | PU leather for furniture use, applicable for upholstery material performance |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for frame stability testing; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable for formaldehyde emission checks; 3. GB/T 16799-2008: PU leather for furniture use, applicable for upholstery material performance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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