| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 890 x 970 x 1000 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat depth | 560 mm | |
| Seat width | 680 mm | |
| Backrest height | 540 mm | |
| Four-star base span | 700 mm | |
| Seat pitch angle | 12 degrees | |
| Center stem diameter | 50 mm | |
| Base foot pad diameter | 30 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 weight | 20 kg | |
|---|---|---|
| Static load capacity | 136 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam thickness | 100 mm | |
| Backrest foam thickness | 80 mm | |
| Foam rebound rate | 45% | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Swivel rotation range | 360 degrees | |
| Warranty period | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat/back shell frame | 12 mm thick molded plywood inner shell | |
|---|---|---|
| Upholstery fabric | Light gray woven polyester fabric | |
| Seat/back padding | Molded high-resiliency polyurethane foam | |
| Central swivel stem | 1.5 mm thick polished chrome-plated steel | |
| Four-star base | 3 mm thick polished die-cast aluminum | |
| Floor protection pads | Non-marking black TPE rubber pads | |
| Swivel mechanism | Precision steel ball bearing swivel unit | |
| Stitching construction | Double parallel side seam stitching | |
| Upholstery underside lining | Black non-woven polypropylene fabric | |
| 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 function | 360-degree smooth rotation via ball bearing mechanism | |
|---|---|---|
| Seating position | Fixed relaxed lounge recline, no adjustable tilt or height adjustment | |
| Floor protection | Integrated rubber pads on each base prong prevent hard floor scratching | |
| Cleaning access | Smooth upholstered surface allows regular vacuuming and spot cleaning | |
| Stability design | Wide 700mm four-star base prevents tipping during normal swivel and seating use | |
| Armless design | Unobstructed side access for flexible seating, fits compact lounge layouts | |
| Pairing compatibility | Designed for paired use with matching upholstered ottoman | |
| Assembly requirement | Base attaches to seat shell with included hardware for quick on-site assembly | |
| Backrest recline angle | 105 degrees from seat surface | |
| 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 |
Verified carton / gross weight / assembly / loading data
| Carton dimensions | 1020 x 760 x 760 mm | |
|---|---|---|
| Gross weight per carton | 25 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
| Office reception areas | Provides relaxed guest seating with modern aesthetic for visitor waiting spaces | |
|---|---|---|
| Open lounge collaboration zones | Armless swivel design supports flexible casual team interaction and short breaks | |
| Executive office breakout corners | Complements premium office interiors paired with a side table and ottoman | |
| Hotel lobby seating areas | Durable contract-grade construction fits high-traffic public lounge spaces | |
| Residential modern living rooms | Compact swivel form works as accent seating for contemporary home interiors | |
| Coworking space common areas | Light neutral upholstery matches flexible shared workspace design schemes | |
| Healthcare clinic waiting areas | Smooth upholstered surface supports easy regular cleaning and maintenance | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1022:2018 | Stability test standard applicable to domestic and contract seating | |
|---|---|---|
| EN 12520:2015 | Strength, durability and safety requirements applicable to seating furniture | |
| EN 13356:2009 | Anti-slip floor protection pad performance for furniture contact surfaces |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2022 | Performance standard applicable to lounge and public area seating | |
|---|---|---|
| ANSI/BIFMA X7.1-2011 | Standard for formaldehyde emissions applicable to composite wood components |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden-framed upholstered furniture | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances applicable to indoor wooden furniture components | |
| GB/T 1952.2-2008 | Performance test methods applicable to upholstered seating furniture durability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden-framed upholstered furniture; 2. GB 18584-2001: Limit of harmful substances applicable to indoor wooden furniture components; 3. GB/T 1952.2-2008: Performance test methods applicable to upholstered seating furniture durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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