| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 810 x 840 x 850 mm | |
|---|---|---|
| Seat height | 470 mm | |
| Seat width | 630 mm | |
| Seat depth | 580 mm | |
| Seat cushion thickness | 180 mm | |
| Backrest height | 480 mm | |
| Armrest height | 660 mm | |
| Leg height | 240 mm | |
| Lumbar pillow dimensions | 400 x 300 mm | |
| Under-seat clearance | 120 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 | 21 kg | |
|---|---|---|
| Static weight capacity | 150 kg | |
| Seat foam density | 28 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance | 30000 Martindale cycles | |
| Foot pad floor protection rating | Suitable for hard wood, tile and low-pile carpet floors | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Inner seating surfaces upholstery | 100% polyester velvet fabric, 0.8mm thickness, stain-resistant wipe-clean finish | |
|---|---|---|
| Outer side/back panel upholstery | 100% polyester velvet fabric, dark green finish, matching fabric weight to seating surfaces | |
| Inner structural frame | 15mm thick plywood frame with corner block reinforcement for joint stability | |
| Seat and back filling | High-density polyurethane foam wrapped in 50g polyfiber batting for soft surface feel | |
| Support legs | 1.2mm thick tapered steel tubing with polished gold electroplated finish | |
| Decorative trim | 3mm wide dark green contrast piping along all upholstery seam edges | |
| Included lumbar pillow | Matching cream velvet cover, filled with 25kg/m³ shredded polyfiber, sewn closed | |
| Floor contact pads | 8mm thick non-marking anti-slip rubber pads affixed to each leg base | |
| 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
| Seating configuration | Fixed single-occupant lounge seat with no recline, swivel or rocking mechanisms | |
|---|---|---|
| Back support | Curved wraparound high back with integrated lumbar pillow for mid-back pressure relief | |
| Arm support | Integrated curved padded armrests connected seamlessly to backrest for side support | |
| Assembly requirement | Simple tool-assisted attachment of four legs to pre-assembled upholstered seat frame | |
| Seating posture | Fixed 105-degree seated back angle optimized for relaxed lounge seating | |
| Surface maintenance | Wipe-clean upholstery compatible with water-based fabric cleaners for routine care | |
| 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 | Positioned as standalone accent seating next to sofas, coffee tables or reading nooks | |
|---|---|---|
| Hotel lounge and guest areas | Used in boutique hotel lobbies, suite seating areas for guest relaxation | |
| Office reception and waiting areas | Placed in executive reception zones or informal meeting breakout spaces | |
| Bedroom dressing area | Used as corner seating or vanity companion chair in master or guest bedrooms | |
| Recommended configuration | Paired with a 600 mm diameter round side table for beverage and reading material placement | |
| 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 stability requirements for residential use | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability resistance to smouldering cigarette for fire safety screening |
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 | General technical requirements applicable for wooden-framed upholstered domestic furniture | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture, for VOC emission screening | |
| GB/T 1952.1-2012 | Upholstered sofas and chairs mechanical performance test methods for structural durability verification |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable for wooden-framed upholstered domestic furniture; 2. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture, for VOC emission screening; 3. GB/T 1952.1-2012: Upholstered sofas and chairs mechanical performance test methods for structural durability verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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