| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 720 x 670 x 740 mm | |
|---|---|---|
| Seat width | 580 mm | |
| Seat depth | 540 mm | |
| Seat height | 460 mm | |
| Backrest height | 280 mm | |
| Armrest height | 630 mm | |
| Seat cushion thickness | 120 mm | |
| Leg height | 340 mm | |
| Metal foot cap height | 30 mm | |
| Seat-back cutout gap height | 90 mm | |
| Backrest vertical channel width | 180 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 weight | 14 kg | |
|---|---|---|
| Static weight capacity | 136 kg | |
| Seat foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Velvet upholstery abrasion resistance | 30000 Martindale cycles | |
| Floor protection load per foot | 34 kg | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| 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
| Upholstery fabric | Polyester velvet, dark olive green, matte soft pile | |
|---|---|---|
| Inner seat frame | Kiln-dried solid pine and 12mm plywood | |
| Seat cushion fill | High-density polyurethane foam wrapped with 20mm Dacron batting | |
| Backrest fill | 25kg/m³ polyurethane foam over curved plywood form | |
| Leg construction | Tapered solid hardwood legs with matte dark finish | |
| Leg foot caps | Polished brass-plated steel ferrules, 30mm height | |
| Central stabilizer foot | Small metal height-adjustable glide under seat front center | |
| Foot pads | Non-marking nylon glides at base of each metal cap | |
| 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
| Frame structure | Fixed non-reclining rigid frame, no tilt or swivel mechanism | |
|---|---|---|
| Back support | Curved wraparound barrel back with vertical channel stitching for shape retention | |
| Integrated armrests | Continuous curved arms forming part of the back frame for wrap-around support | |
| Floor protection | Non-marking glides on all feet to prevent scuffing on hard floor surfaces | |
| Assembly requirement | Knock-down leg attachment with included Allen key and hardware | |
| Stability design | Splayed leg angle plus central front stabilizer foot to prevent forward tipping | |
| 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
| Living room lounge area | Placed as standalone occasional seating next to sofa or coffee table for guest use | |
|---|---|---|
| Bedroom corner reading nook | Positioned near window or bedside for relaxed single-person seating | |
| Home office reception zone | Used as guest seating opposite a desk for casual meetings | |
| Entryway foyer | Placed in entry vestibule for temporary seating when putting on footwear | |
| Boutique waiting area | Used in small retail or salon waiting spaces for lightweight customer seating | |
| Upholstery care recommendation | Spot clean with damp cloth, avoid direct sunlight to prevent velvet fading | |
| 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 1022:2018 | Domestic furniture seating stability test standard, applicable to tip resistance | |
|---|---|---|
| EN 12520:2015 | Domestic furniture seating strength and durability requirements, applicable to frame performance |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to structural frame safety | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde emission limits | |
| GB/T 19817-2005 | Upholstered furniture fabric performance requirements, applicable to velvet durability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to structural frame safety; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde emission limits; 3. GB/T 19817-2005: Upholstered furniture fabric performance requirements, applicable to velvet durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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