| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 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
| Total product net weight (full displayed set) | 185 kg | |
|---|---|---|
| Seat static load capacity per single position | 150 kg | |
| Recommended maximum users for full displayed set | 4 adults | |
| Foam density (seat cushions) | 45 kg/m³ | |
| Fabric Martindale abrasion resistance | 30000 cycles | |
| Seat cushion compression recovery rate | 95% | |
| Frame static load rating | 600 kg | |
| Backrest horizontal load resistance | 75 kg per position | |
| Zipper pull strength for removable covers | 50 N | |
| Expected service life under daily residential use | 8 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| External upholstery fabric | Matte short-pile velvet, 280gsm weight | |
|---|---|---|
| Seat cushion padding | High-density polyurethane foam wrapped with 20mm down alternative fiber | |
| Backrest padding | 35kg/m³ soft polyurethane foam with fiber wrap | |
| Internal load-bearing frame | Kiln-dried solid pine wood, 30mm thick structural members | |
| Module connection hardware | Heavy-duty metal snap connectors between adjacent units | |
| Bottom support base | Reinforced plywood frame with non-slip plastic foot pads | |
| Tufting fasteners | Hidden plastic-backed fabric buttons secured with internal polyester ties | |
| Seam stitch specification | 8 stitches per inch, matching color polyester thread | |
| Seat support suspension | 80mm wide elastic webbing spaced 50mm apart under cushions | |
| Foot pad material | High-density polyethylene with felt base layer | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Modular reconfiguration | All units connect via side snap connectors, allowing custom layout arrangement | |
|---|---|---|
| Multi-functional ottomans | Square padded ottomans serve as footrests, extra casual seats, or impromptu side tables | |
| Fixed angle back support | Padded integrated backrests provide 10-degree reclined lumbar support for relaxed seating | |
| Detachable cover design | Zippered fabric covers allow removal for spot cleaning or upholstery replacement | |
| Noise-free use | Reinforced frame joints with glue and screw fixation eliminate creaking during use | |
| Floor protection | Non-slip plastic foot pads at all base corners prevent floor scratches and unit sliding | |
| Color customization | Upholstery available in multiple solid color options for coordinated interior design | |
| Tool-free assembly | Modules connect via pre-installed snap clips without additional hardware | |
| 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
| Number of shipping cartons | 5 cartons | |
|---|---|---|
| Total shipping gross weight | 205 kg | |
| 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 | Suitable for open-plan modern living rooms as main lounge seating for families | |
|---|---|---|
| Apartment lounge spaces | Reconfigurable layout adapts to small or irregularly shaped apartment floor plans | |
| Office reception areas | Casual plush design creates welcoming waiting areas for creative offices or studios | |
| Studio and loft spaces | Block-style modular units can be rearranged for events, guest seating or daily use | |
| Showhome furniture display | On-trend tufted velvet design showcases modern interior styling for real estate staging | |
| Boutique hotel lounge areas | Soft tactile velvet upholstery creates upscale casual seating for guest common areas | |
| 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 | Domestic furniture seating strength, durability and safety requirements for residential use validation | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability resistance to smouldering cigarette for fire safety reference |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal wood frame quality inspection | |
|---|---|---|
| GB 18401-2010 | National general safety technical code for textile products, applicable to upholstery fabric safety | |
| GB/T 1952.1-2012 | Test method for strength and durability of upholstered furniture sofas, applicable to load performance validation | |
| GB 20286-2006 | Fire safety requirements for upholstered furniture in public places, applicable for commercial use cases |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal wood frame quality inspection; 2. GB 18401-2010: National general safety technical code for textile products, applicable to upholstery fabric safety; 3. GB/T 1952.1-2012: Test method for strength and durability of upholstered furniture sofas, applicable to load performance validation; 4. GB 20286-2006: Fire safety requirements for upholstered furniture in public places, applicable for commercial use cases; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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