| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 890 x 890 x 810 mm | |
|---|---|---|
| Seat height | 457 mm | |
| Seat width | 660 mm | |
| Seat depth | 580 mm | |
| Back height above seat | 353 mm | |
| Chrome disc base diameter | 610 mm | |
| Central tapered pedestal height | 280 mm | |
| Seat recess depth | 120 mm | |
| Upholstered body wall thickness | 150 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 weight capacity | 136 kg | |
|---|---|---|
| Net product weight | 27.7 kg | |
| Foam padding density | 40 kg/m³ | |
| Foam rebound rate | 60% | |
| Fabric abrasion resistance | 30000 double rubs | |
| Swivel mechanism cycle life | 15000 rotations | |
| Base static load rating | 200 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 upholstery | Textured red looped boucle polyester fabric | |
|---|---|---|
| Seat and back padding | High-resilience polyurethane foam wrapped in soft dacron layer | |
| Internal support frame | 18mm thick plywood structural frame | |
| Central support pedestal | Tapered polished chrome-plated steel column | |
| Floor base disc | 3mm thick polished chrome-plated round steel plate | |
| Swivel bearing | Steel ball-bearing swivel joint between pedestal and base | |
| Floor protection pad | Felt non-scuff pad under base disc | |
| Seam construction | Hidden 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 |
Adjustment / rotation / tilt / mobility / storage features
| Rotation function | 360-degree full swivel rotation with no angle lock | |
|---|---|---|
| Seating configuration | Single-person armless seating with integrated contoured back | |
| Height adjustment | No gas lift or height adjustment, fixed 457mm seat height | |
| Recline function | No tilt or recline mechanism, fixed angled back support | |
| Floor stability | Wide disc base distributes weight to prevent tipping on level floors | |
| Mobility | Non-caster fixed base intended for stationary placement | |
| Maintenance feature | Removable surface-compatible fabric cleaning, no removable cushion covers | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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 next to sofas or coffee tables | |
|---|---|---|
| Office reception and lounge area | Use in waiting zones or casual breakout spaces for visitor seating | |
| Bedroom vanity or reading nook | Place near windows or vanities for relaxed casual seating | |
| Hotel and boutique lounge areas | Deploy in guest room corners or lobby seating clusters | |
| Recommended placement surface | Low-pile carpet, hardwood, tile or luxury vinyl flooring | |
| 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 | |
|---|---|---|
| EN 1022:2018 | Seating stability test method for domestic and non-domestic chairs |
US and Canada office-furniture standards
| ANSI/BIFMA X5.41-2020 | Standard for lounge seating, applied for static load and stability testing |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal plywood frame | |
|---|---|---|
| GB 20400-2006 | Leather and fur harmful substance limit, applicable to textile upholstery testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood frame; 2. GB 20400-2006: Leather and fur harmful substance limit, applicable to textile upholstery testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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