| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 890 x 910 x 890 mm | |
|---|---|---|
| Seat height | 495 mm | |
| Seat depth | 585 mm | |
| Seat width | 660 mm | |
| Arm height from floor | 660 mm | |
| Back cushion height | 520 mm | |
| Backrest angle | 105 degrees | |
| Metal plinth base height | 80 mm | |
| Seat cushion thickness | 150 mm | |
| Back cushion thickness | 130 mm | |
| Arm panel width | 115 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 | 36 kg | |
|---|---|---|
| Static weight capacity | 136 kg | |
| Seat foam density | 40 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Swivel rotation range | 360 degrees | |
| 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 cushion upholstery | Woven grid-pattern polyester blend fabric | |
|---|---|---|
| Outer arm panel upholstery | Smooth matte dark performance fabric or vegan leather | |
| Internal support frame | Kiln-dried hardwood and 12mm plywood composite | |
| Seat suspension system | Sinuous S-shaped steel springs | |
| Cushion fill | High-resilience polyurethane foam with dacron wrap | |
| Swivel base mechanism | Cold-rolled steel swivel bearing with return damping | |
| Plinth base exterior | Brushed 304 stainless steel, 1.5mm thickness | |
| Seam construction | Reinforced stitched seams with 6mm stitch pitch | |
| Seat base decking | Polypropylene webbing support under seat foam | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Swivel mechanism | 360-degree smooth rotation with no tilt or height adjustment | |
|---|---|---|
| Seat support | Fixed non-removable plush seat cushion with sinuous spring suspension | |
| Back support | Angled fixed back cushion with lumbar support zone | |
| Arm support | Integrated wrapped sloped armrests for forearm support during relaxed seating | |
| Base stability | Low-profile wide disc plinth base for anti-tip stability during rotation | |
| Upholstery performance | Stain-resistant woven fabric on high-contact seat/back surfaces | |
| Assembly requirement | Two-part assembly: attach swivel base to seat frame with included hardware | |
| Foot protection | Felt floor protection pads under metal base to prevent floor scratching | |
| 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 rooms | Used as standalone accent seating next to sofas or coffee tables for casual relaxation | |
|---|---|---|
| Office reception areas | Suitable for guest lounge zones to provide modern, comfortable visitor seating | |
| Hotel lobby lounges | Ideal for clustered seating arrangements in hospitality public spaces | |
| Executive office breakout zones | Provides casual meeting seating for informal staff discussions | |
| Modern bedroom spaces | Functions as a vanity or reading chair in residential master bedrooms | |
| High-end retail waiting areas | Suitable for premium retail customer waiting and lounge spaces | |
| 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 | Seating furniture stability test standard for domestic and contract use | |
|---|---|---|
| EN 12520:2015 | Strength, durability and safety requirements for domestic seating | |
| EN 13356:2008 | Hardware performance requirements for chair swivel mechanisms |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Performance standard for lounge seating stability and load capacity | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General seating safety requirements for structural durability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal frame construction | |
|---|---|---|
| GB 18580-2017 | Formaldehyde emission limits for wood-based panels used in internal frame | |
| GB/T 19001-2016 | Quality management system guidance for consistent furniture manufacturing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal frame construction; 2. GB 18580-2017: Formaldehyde emission limits for wood-based panels used in internal frame; 3. GB/T 19001-2016: Quality management system guidance for consistent furniture manufacturing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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