| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 870 x 870 x 830 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat width | 620 mm | |
| Seat depth | 580 mm | |
| Backrest height | 480 mm | |
| Armrest height | 220 mm | |
| Leg height | 280 mm | |
| Seat cushion thickness | 80 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 | |
|---|---|---|
| Net weight | 24 kg | |
| Seat foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| Seam stitch pitch | 8 stitches per inch | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Inner seat/back upholstery | Light heathered woven polyester fabric | |
|---|---|---|
| Outer back panel upholstery | Dark green matte woven fabric | |
| Internal support frame | 1.2 mm thick powder-coated steel tube | |
| Seat and back padding | High-resilience polyurethane sponge | |
| Leg construction | 20 mm diameter tapered powder-coated black steel | |
| Foot pads | Non-slip 30 mm diameter PVC floor protectors | |
| Included throw pillow | Matching heathered fabric with dark green center stripe, 400x400 mm | |
| Upholstery underlayer | 200 g/sqm non-woven fabric lining | |
| 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
| Posture support | Fixed 105° relaxed lounge seat angle | |
|---|---|---|
| Structural stability | Four outward-splayed tapered legs with wide footprint | |
| Surface protection | Non-slip PVC foot pads fitted to each leg | |
| Assembly requirement | Knock-down leg attachment with included hardware | |
| Positioning flexibility | Lightweight stationary design without swivel or glide mechanisms | |
| Back and arm support | Continuous wrap-around barrel arm-back structure | |
| 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
| Living room accent seating | Positioned as a standalone statement chair beside sofas or coffee tables for guest use | |
|---|---|---|
| Bedroom reading nook | Placed near windows or dressers to create a dedicated relaxed reading spot | |
| Cafe and boutique reception | Used in casual hospitality spaces to provide comfortable, stylish guest seating | |
| Office breakout area | Installed in informal collaboration zones for short informal meetings or breaks | |
| Hotel lobby lounge | Grouped with low tables to create welcoming waiting areas for hotel guests | |
| Entryway reception space | Used in residential entry vestibules to provide a convenient spot for putting on footwear | |
| 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
| Domestic furniture seating safety | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture flammability | EN 1021:2014 | |
| Furniture surface durability | EN 14465:2004 |
US and Canada office-furniture standards
| Lounge seating performance | ANSI/BIFMA X2021 |
|---|
Standards applicable to China-market projects
| Upholstered furniture safety | GB 28007 | |
|---|---|---|
| Furniture mechanical performance | GB/T 10357.3 | |
| Fabric formaldehyde limits | GB 18401Category B |
This product must meet the following technical requirements: 1. Upholstered furniture safety: GB 28007; 2. Furniture mechanical performance: GB/T 10357.3; 3. Fabric formaldehyde limits: GB 18401Category B; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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