| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| overall dimensions | 520 x 540 x 760 mm | |
|---|---|---|
| seat height | 470 mm | |
| seat diameter | 480 mm | |
| seat cushion thickness | 120 mm | |
| backrest height above seat | 250 mm | |
| backrest overall width | 520 mm | |
| bolster back diameter | 130 mm | |
| front leg height | 420 mm | |
| rear support post height | 630 mm | |
| leg diameter | 45 mm | |
| front floor-contact spread | 430 mm | |
| side floor-contact spread | 470 mm | |
| under-seat knee clearance | 300 mm | |
| arm clearance | Armless design with 0 mm arm projection | |
| floor glide diameter | 30 mm | |
| Finished Seat Cushion Thickness | 90 mm |
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| recommended user load | 136 kg | |
|---|---|---|
| net weight | 14.5 kg | |
| seat foam density | 35 kg/m3 | |
| back foam density | 55 kg/m3 | |
| secondary back foam density | 30 kg/m3 | |
| seating capacity | 1 person | |
| fabric mass | 460 g/m2 velvet | |
| fabric abrasion acceptance target | 50,000 Martindale cycles | |
| seam pitch | 8 mm | |
| static floor load per leg | 34 kg at 136 kg user load |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| seat upholstery | Green velvet-like woven textile, likely polyester pile, tailored over a round cushion | |
|---|---|---|
| back upholstery | Matching green fabric wraps a continuous horizontal cylindrical bolster with closed circular ends | |
| seat cushion core | 35 kg/m3 polyurethane foam, 120 mm thick, wrapped under soft upholstery | |
| back cushion core | 55 kg/m3 high-resilience cold foam with 30 kg/m3 polyurethane layer | |
| inner seat shell | Poplar plywood support board, 12 mm specified thickness, concealed below cushion | |
| back support board | Bent plywood or timber insert inside the upholstered bolster, 12 mm specified thickness | |
| legs | Four black cylindrical metal tubes, 45 mm diameter, with matte powder-coated finish | |
| rear back supports | Two vertical black tubular posts connect the seat frame directly to the bolster back | |
| floor glides | Black polymer snap-in glides, 30 mm diameter, intended to protect hard flooring | |
| upholstery underside | Black woven dust cover attached beneath the seat frame | |
| joining hardware | Threaded steel inserts and M8 leg-fixing bolts, four attachment points specified | |
| fabric backing | 100% polypropylene protective backing fabric |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| back support mode | Fixed horizontal bolster back provides lumbar-level support with no recline or height adjustment | |
|---|---|---|
| seating access | Armless open-front design permits entry from both sides and close table approach | |
| mobility | Fixed four-leg chair without casters, swivel, tilt mechanism or gas lift | |
| floor protection | Each leg terminates in a replaceable polymer glide for hard-floor use | |
| stacking behavior | Non-stackable fixed chair due to continuous roll back and four independent legs | |
| back mounting | Two rear posts support the cylindrical back independently from the front legs | |
| leg attachment | Knock-down legs attach to the underside steel or plywood mounting plate with threaded fasteners | |
| seat ergonomics | 470 mm seat height supports standard 760 mm dining tables | |
| cleaning access | Smooth woven pile can be vacuumed and wiped with a neutral fabric cleaner | |
| orientation | Single-person chair faces away from the horizontal roll and toward the open front | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| 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
Data source: Recommended applications based on product form and category.
| dining room | Use at standard-height dining tables for compact one-person seating with 470 mm seat height. | |
|---|---|---|
| kitchen island | Place along open kitchen islands where the armless profile allows easy sideways access. | |
| bedroom vanity | Use as a sculptural vanity seat because the low roll back saves visual space. | |
| home office corner | Pair with a compact writing desk for occasional seating rather than full-time task use. | |
| hotel guest room | Suitable as an accent desk or lounge chair in contemporary green-and-black interior schemes. | |
| waiting area | Group two or four chairs around a small bistro table in lightweight hospitality settings. | |
| 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 suitability | Domestic furniture strength, durability and safety requirements for seating | |
|---|---|---|
| EN 1022 suitability | Domestic furniture seating stability test for forward and rearward tipping | |
| EN 16139 suitability | Non-domestic seating strength, durability and safety if used in cafes or co-working spaces | |
| restaurant or cafe | Specify in small modern dining areas after validating EN 16139 commercial-level durability. |
Standards applicable to China-market projects
| GB/T 10357.2 suitability | Furniture mechanical surface test for seats and stools; use for static load acceptance | |
|---|---|---|
| GB/T 10357.3 suitability | Furniture strength and durability test for chair backrests and back structures | |
| GB/T 10357.6 suitability | Furniture floor-protection and leg-strength test method for domestic chairs | |
| GB 17927 suitability | Upholstered furniture fire-safety evaluation should be specified for fabric and filling |
This product must meet the following technical requirements: 1. GB/T 10357.2 suitability: Furniture mechanical surface test for seats and stools; use for static load acceptance; 2. GB/T 10357.3 suitability: Furniture strength and durability test for chair backrests and back structures; 3. GB/T 10357.6 suitability: Furniture floor-protection and leg-strength test method for domestic chairs; 4. GB 17927 suitability: Upholstered furniture fire-safety evaluation should be specified for fabric and filling; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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