| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 900 x 900 x 870 mm | |
|---|---|---|
| Seat height | 420 mm | |
| Seat depth | 600 mm | |
| Seat width | 680 mm | |
| Backrest height from seat | 450 mm | |
| Armrest height from seat | 220 mm | |
| Leg height | 150 mm | |
| Cushion thickness | 150 mm | |
| Throw pillow dimensions | 450 x 450 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 | 31 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Seam stitch pitch | 8 stitches per inch | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Floor clearance under seat | 150 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
| Seat and back upholstery | 1.2mm thick microfiber PU leather | |
|---|---|---|
| Cushion and back fill | High-density polyurethane foam with soft top layer | |
| Inner structural frame | 18mm thick engineered hardwood plywood | |
| Support legs | 20mm diameter powder-coated black carbon steel tubes | |
| Seam construction | Coordinated tan polyester upholstery thread | |
| Leg floor pads | Non-slip polyethylene rubber foot caps | |
| Matching throw pillow cover | Matching tan PU leather with polyfiber fill | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Fixed single-person lounge seat with no recline, swivel or rock mechanisms | |
|---|---|---|
| Back and arm design | Integrated continuous curved barrel wrap-around structure to enclose seated user | |
| Cushion design | Fixed tight-upholstered seat cushion secured to frame for no-slip use | |
| Assembly requirement | Legs attach to pre-assembled upholstered body with included hardware | |
| Lumbar support | Included matching upholstered throw pillow provides adjustable lumbar positioning | |
| Floor protection | Rubber foot pads on each leg prevent hard floor scuffing and reduce sliding | |
| 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 accent seating | Placed as a standalone statement chair near windows or side tables for casual relaxation | |
|---|---|---|
| Office reception or lounge area | Used in waiting zones for guest seating with modern professional aesthetic | |
| Hotel guest room seating | Positioned beside windows or desks in boutique hotel rooms for guest lounging | |
| Residential bedroom reading nook | Paired with a small side table for dedicated quiet reading space | |
| High-end retail lounge space | Installed in luxury store fitting areas or customer waiting zones | |
| 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 standard for domestic seating | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignition resistance for smouldering cigarette source | |
| EN 1021-2:2014 | Upholstered furniture ignition resistance for match flame equivalent source |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Performance standard for lounge seating intended for general office and public use |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden frame upholstered furniture | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture | |
| GB/T 1952.1-2012 | Soft furniture sofa quality assessment standard for upholstered seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden frame upholstered furniture; 2. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture; 3. GB/T 1952.1-2012: Soft furniture sofa quality assessment standard for upholstered seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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