| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 830 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat width between armrests | 560 mm | |
| Seat depth from front edge to backrest | 560 mm | |
| Backrest height above seat | 420 mm | |
| Armrest height above seat | 200 mm | |
| Under-seat storage shelf internal height | 180 mm | |
| Under-seat storage shelf depth | 300 mm | |
| Leg base footprint width | 620 mm | |
| Leg diameter | 20 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
| Static seat load capacity | 150 kg | |
|---|---|---|
| Net product weight | 16.8 kg | |
| Seat foam density | 38 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Back foam thickness | 80 mm | |
| Seat cushion thickness | 120 mm | |
| Seam stitch pitch | 8 mm | |
| 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 backrest upholstery | Light grey woven polyester fabric | |
|---|---|---|
| Outer shell and storage frame | Mustard yellow smooth PU upholstery over engineered wood | |
| Internal support frame | 18 mm thick engineered plywood | |
| Cushion padding | High-resilience polyurethane foam | |
| Support legs | 1.2 mm thick powder-coated matte black steel | |
| Seam trim | Contrast dark piped edge along fabric-PU junction | |
| Leg foot pads | Non-slip PP plastic floor protectors | |
| Storage shelf surface | PU laminated engineered wood panel | |
| 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
| Under-seat storage | Front-facing open shelf for books and small items | |
|---|---|---|
| Seating orientation | Fixed upright relaxed angle at 105 degrees from horizontal | |
| Leg assembly | Knock-down leg attachment with threaded inserts | |
| Surface protection | Non-slip pads on each leg eliminate floor scuffing | |
| Posture support | Wrap-around curved armrests form integrated mid-back support | |
| Cleaning access | Open storage shelf allows easy wipe-down without moving the chair | |
| 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 living room | Place as single accent seating beside side tables for reading and relaxation | |
|---|---|---|
| Bedroom seating corner | Position near dressing areas with convenient book storage under seat | |
| Small apartment lounge | Space-saving footprint works for compact urban living spaces | |
| Office reception breakout area | Use in casual waiting zones for guest seating with light storage | |
| Cafe lounge seating | Suitable for boutique cafe seating with integrated small item storage | |
| 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 strength | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture flame resistance | EN 1021:2014 | |
| Furniture surface resistance | EN 12720:2009+A1:2013 |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| Upholstered furniture structural safety | GB/T 3324 | |
|---|---|---|
| Fabric upholstery durability | GB/T 21655.1 | |
| Formaldehyde emission limits | GB 18584 |
This product must meet the following technical requirements: 1. Upholstered furniture structural safety: GB/T 3324; 2. Fabric upholstery durability: GB/T 21655.1; 3. Formaldehyde emission limits: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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