| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 510 x 510 x 460 mm | |
|---|---|---|
| top surface diameter | 510 mm | |
| seat height from floor | 460 mm | |
| top padding thickness | 80 mm | |
| vertical side panel height | 380 mm | |
| stitched seam diameter at joint | 490 mm | |
| base contact diameter with floor | 480 mm | |
| wall padding thickness | 40 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
| net product weight | 4.5 kg | |
|---|---|---|
| static seated load capacity | 159 kg | |
| top surface static load for objects | 45 kg | |
| foam density (top cushion) | 35 kg/m³ | |
| foam rebound rate | 60% | |
| recommended user weight limit | 136 kg | |
| surface abrasion resistance (Martindale) | 30000 cycles | |
| limited warranty period | 365 days | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| upholstery material | 1.0mm thick black smooth PU faux leather | |
|---|---|---|
| top cushion fill | High-density polyurethane foam | |
| side panel fill | Medium-density polyurethane foam | |
| internal structural frame | 12mm thick engineered wood panel | |
| base underside layer | Non-slip polyester non-woven fabric | |
| seam construction | Single-stitched polyester thread at top-side joint | |
| seam stitch pitch | 8 stitches per 30mm | |
| frame base reinforcement | Corner-blocked structural joints | |
| 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
| seating function | Supports single adult for casual short-term seating | |
|---|---|---|
| footrest function | Serves as elevated footrest when paired with sofas or armchairs | |
| temporary side surface function | Holds light trays, books, or beverage items on flat top | |
| mobility feature | Lightweight form allows easy repositioning between rooms | |
| floor protection feature | Soft non-slip base prevents hard contact with hard flooring | |
| cleaning feature | Wipe-clean PU surface allows quick spill removal | |
| assembly requirement | Fully assembled out of packaging | |
| stacking limitation | Not designed for vertical stacking with other units | |
| 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 use | Extra seating or footrest paired with sofas in compact living spaces | |
|---|---|---|
| bedroom accent use | Placed at bed foot or vanity area as casual seating | |
| home office supplementary seating | Pull-out guest seating for occasional office visitors | |
| waiting area casual seating | Light-duty supplementary seating in small office or clinic waiting zones | |
| small space multi-use surface | Functions as temporary side table for drinks or decor in tight entryways | |
| rental property furnishing | Durable low-maintenance seating for furnished rental units | |
| 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
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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