| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 864 x 831 x 876 mm | |
|---|---|---|
| Seat height | 483 mm | |
| Seat width | 559 mm | |
| Seat depth | 559 mm | |
| Seat cushion thickness | 152 mm | |
| Backrest height from seat | 432 mm | |
| Armrest height from seat | 165 mm | |
| Four-prong base diameter | 711 mm | |
| Throw pillow dimensions | 457 x 457 mm | |
| Seat to floor under-clearance | 178 mm | |
| Outer side panel height | 483 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 | 181 kg | |
|---|---|---|
| Net product weight | 18 kg | |
| Seat foam density | 50 kg/m³ | |
| Foam rebound rate | 60% | |
| Swivel rotation range | 360 degrees | |
| Upholstery abrasion resistance | 30000 Martindale cycles | |
| Base static load rating | 227 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
| Inner frame | 18 mm plywood and kiln-dried hardwood composite | |
|---|---|---|
| Seat and back padding | High-density polyurethane foam with polyester fiber wrap | |
| Inner upholstery surface | Light taupe textured woven polyester fabric | |
| Outer side panel upholstery | Dark grey smooth woven polyester fabric | |
| Throw pillow | Matching light taupe woven fabric with polyfill insert | |
| Swivel base | 12 mm thick powder-coated matte black steel four-prong spider frame | |
| Base floor glides | Non-marking SEBS rubber anti-scratch pads | |
| Seam construction | 7 stitches per inch reinforced sewn seams | |
| Swivel mechanism | Cold-rolled steel sealed ball bearing swivel plate | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Swivel operation | 360-degree full rotation via sealed bearing mechanism, no return-to-center lock | |
|---|---|---|
| Back support | Enclosed curved wrap-around back with integrated armrests for full upper body support | |
| Lumbar support | Removable, repositionable matching fabric throw pillow for adjustable lower back support | |
| Floor protection | Non-marking rubber glides on each base prong to prevent hard floor scratches | |
| Adjustability | No height adjustment, tilt, recline, or caster movement, fixed lounge seating posture | |
| Weight distribution | Four evenly spaced steel prongs distribute weight across floor to prevent tipping | |
| Upholstery maintenance | Spot-cleanable fabric surface with stain-resistant treatment for regular residential 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 living room | Ideal as accent seating next to sofas, coffee tables, or reading nooks | |
|---|---|---|
| Office lounge area | Suitable for reception wait zones, breakout spaces, or executive office guest seating | |
| Bedroom sitting area | Functions as a dressing chair or reading seat placed near wardrobes or windows | |
| Hotel lobby seating | Applicable for boutique hotel guest areas, lounge bars, or suite seating | |
| Retail showroom display | Works as accent seating for fashion, home decor, or design showrooms | |
| Single-user use case | Designed for one adult occupant in relaxed upright or slightly reclined posture | |
| 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 requirements for domestic seating | |
|---|---|---|
| EN 1022:2018 | Domestic seating stability test method applicable to swivel chair structure |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to inner frame durability | |
|---|---|---|
| GB 20400-2006 | Leather and fur material limits for harmful substances, applicable if leather is used | |
| GB/T 19001-2016 | Quality management system guidance for furniture manufacturing processes |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner frame durability; 2. GB 20400-2006: Leather and fur material limits for harmful substances, applicable if leather is used; 3. GB/T 19001-2016: Quality management system guidance for furniture manufacturing processes; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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