| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 900 x 900 x 880 mm | |
|---|---|---|
| Seat cushion depth | 630 mm | |
| Seat height from floor | 380 mm | |
| Backrest height above seat | 500 mm | |
| Seat cushion thickness | 250 mm | |
| Backrest cushion thickness | 200 mm | |
| Ground clearance under frame | 20 mm | |
| Tufted segment width per seat quadrant | 450 mm | |
| Module joint connector hole diameter | 12 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
| Recommended static load per seat | 180 kg | |
|---|---|---|
| Net weight per single module | 40 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Connector hardware static load per joint | 100 kg | |
| Seat softness rating (ILD) | 160 N | |
| 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 | 100% polyester performance velvet, olive green finish | |
|---|---|---|
| Internal frame structure | 18mm thick plywood and solid eucalyptus wood frame | |
| Seat cushion core | Multi-layer high-density polyurethane foam with sinuous spring support | |
| Backrest cushion core | High-resilience polyurethane foam block, non-removable | |
| Module connection hardware | Zinc-plated steel carabiner clips and D-ring anchors | |
| Support feet | Solid rubberwood with anti-skid rubber pads | |
| Tufting fasteners | Hidden plastic/metal tufting buttons securing fabric to foam core | |
| Seam construction | Reinforced stitched seams with 8 stitches per 30mm pitch | |
| 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
| Modular connection system | Tool-free carabiner clip attachment to adjacent seat/ottoman/arm modules | |
|---|---|---|
| Stationary seating position | Fixed low lounge seat with 12 degree backward tilt for relaxed lounging | |
| Module reconfigurability | Supports unlimited linear, L-shape, U-shape configurations when combined with matching modules | |
| Cushion retention | Cushions are permanently attached to the frame base to prevent shifting during use | |
| Connector point coverage | 4 connection points per module (left/right/front/back sides) for flexible layout options | |
| Surface maintenance | Stain-resistant velvet surface allows spot cleaning with mild upholstery detergent | |
| 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 | Suitable for casual lounge seating in modern, mid-century or eclectic home interiors | |
|---|---|---|
| Modular sectional configuration | Pairs with matching corner, chaise, armless and ottoman modules for custom sofa builds | |
| Hospitality lounge spaces | Appropriate for boutique hotel lobbies, co-working break areas and creative studio seating | |
| Low-height lounge zones | Ideal for sunken conversation pits, media room casual seating and floor-adjacent lounge setups | |
| Color coordination | Olive green finish complements warm wood, neutral, terracotta and muted tone interior palettes | |
| 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 1021-1:2014 | Applicable for upholstered furniture cigarette ignition resistance safety standard | |
|---|---|---|
| EN 12520:2015 | Applicable for strength, durability and stability requirements for domestic seating |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for general technical requirements of wooden furniture frame construction | |
|---|---|---|
| GB 18584-2001 | Applicable for formaldehyde emission limits from interior wooden frame materials | |
| GB/T 19817-2005 | Applicable for upholstered furniture fabric safety and performance requirements |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for general technical requirements of wooden furniture frame construction; 2. GB 18584-2001: Applicable for formaldehyde emission limits from interior wooden frame materials; 3. GB/T 19817-2005: Applicable for upholstered furniture fabric safety and performance requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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