| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 840 x 850 x 740 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Seat width | 680 mm | |
| Seat depth | 560 mm | |
| Backrest height | 520 mm | |
| Pedestal base diameter | 600 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest cushion thickness | 100 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 | 159 kg | |
|---|---|---|
| Net product weight | 23 kg | |
| Swivel mechanism cycle rating | 12000 rotations | |
| Upholstery abrasion resistance | 30000 double rubs | |
| Seat foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Base static load rating | 180 kg | |
| 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
| Outer shell frame | 12mm thick molded plywood with matte black coated finish | |
|---|---|---|
| Seat and back upholstery | 1.2mm thick matte faux leather (PU) | |
| Seat cushion core | High-density polyurethane foam | |
| Backrest cushion core | High-density polyurethane foam | |
| Swivel mechanism plate | 3mm thick powder-coated steel | |
| Pedestal base | 2mm thick matte black powder-coated steel round disc | |
| Stitching construction | Bonded polyester thread with 8mm seam pitch | |
| Under-seat structural support | 15mm thick plywood support 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
| Swivel function | 360-degree smooth rotation via steel swivel plate between base and shell | |
|---|---|---|
| Seating posture | Fixed 105-degree relaxed reclined angle between seat and back | |
| Cushion attachment | Permanent fixed seat and back cushions secured to inner shell | |
| Floor protection | Concealed non-scratch felt pad under metal pedestal base | |
| Cleaning requirement | Wipe-clean upholstery surface compatible with mild soap and water | |
| Assembly requirement | 3-point base attachment to chair shell with included hardware | |
| 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 placement | Position as standalone accent seating near sofas or windows | |
|---|---|---|
| Bedroom lounge corner use | Place for relaxed reading or casual seating in bedroom nooks | |
| Office reception lounge use | Deploy in casual waiting areas or breakout zones for visitor seating | |
| Home studio or lounge space | Use for relaxed work breaks or casual conversation areas | |
| Recommended surface placement | Suitable for low-pile carpet, hardwood, or tile floors | |
| Target user group | Single adult users for casual, non-intensive seating | |
| 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 safety recommendation | EN 12520:2015 Furniture - Strength, durability and safety for domestic seating | |
|---|---|---|
| Upholstered furniture flammability recommendation | EN 1021:2014 Ignition resistance of upholstered furniture (smouldering cigarette) | |
| Surface coating safety recommendation | EN 13722:2004 Furniture - Assessment of surface resistance to cold liquids |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| Furniture structural safety recommendation | GB/T 3324General technical requirements for wooden furniture | |
|---|---|---|
| Upholstered furniture safety recommendation | GB/T 24430.1Upholstered furniture for domestic use | |
| Hardware durability recommendation | GB/T 17657Test methods for surface finishes of wood-based panels |
This product must meet the following technical requirements: 1. Furniture structural safety recommendation: GB/T 3324General technical requirements for wooden furniture; 2. Upholstered furniture safety recommendation: GB/T 24430.1Upholstered furniture for domestic use; 3. Hardware durability recommendation: GB/T 17657Test methods for surface finishes of wood-based panels; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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