| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 550 x 560 x 840 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 | 150 kg | |
|---|---|---|
| Product net weight | 7 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Stable leg floor contact area | 490 mm² per leg | |
| Available color options | 4 | |
| 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
| Inner support frame | 1.5mm thick carbon steel tubular frame | |
|---|---|---|
| Seat cushion padding | High-elastic polyurethane foam | |
| Backrest padding | Molded high-resilience polyurethane foam | |
| Outer upholstery | 1.2mm thick saddle-pattern microfiber faux leather | |
| Leg exterior finish | Continuous wrapped upholstery matching seat/back | |
| Floor contact pads | Non-marking polyethylene anti-slip glides | |
| Upholstery seam treatment | Concealed edge stitching with 8mm seam pitch | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed non-adjustable upright seating with 100° backrest angle | |
|---|---|---|
| Mobility | Non-swivel, non-folding, non-stackable rigid four-leg structure | |
| Assembly requirement | Fully assembled ready for use out of packaging | |
| Surface maintenance | Wipe-clean water-resistant upholstery | |
| Floor protection | Anti-slip glides prevent scratches on hard flooring | |
| Structural rigidity | Welded integrated frame eliminates wobble under normal use | |
| 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 | Paired with standard 750mm height dining tables for daily home dining use | |
|---|---|---|
| Open-plan kitchen areas | Compact armless footprint fits small kitchen island or breakfast nook seating | |
| Commercial cafe seating | Durable easy-clean upholstery suitable for high-turnover casual food service | |
| Showroom/meeting space | Minimalist silhouette complements modern office reception or sample display areas | |
| Balcony/side seating | Sleek monobloc design works as occasional accent seating in living 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, recommended acceptance criteria | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture flammability resistance (cigarette ignition), recommended safety baseline |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for structural stability validation | |
|---|---|---|
| GB 18584-2001 | Limits of harmful substances for indoor furniture, required for indoor residential use | |
| GB/T 10357.3-2013 | Test method for chair and stool strength and durability, applicable for performance validation |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for structural stability validation; 2. GB 18584-2001: Limits of harmful substances for indoor furniture, required for indoor residential use; 3. GB/T 10357.3-2013: Test method for chair and stool strength and durability, applicable for performance validation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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