| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 940 x 810 x 890 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width | 660 mm | |
| Seat depth | 610 mm | |
| Backrest height from seat | 430 mm | |
| Armrest height from seat | 180 mm | |
| Seat cushion thickness | 150 mm | |
| 4-star base leg span | 780 mm | |
| Backrest width at top | 740 mm | |
| Floor clearance under seat | 200 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 | 30 kg | |
|---|---|---|
| Recommended static load capacity | 172 kg | |
| Seat foam density | 32 kg/m³ | |
| Foam rebound rate | 55% | |
| Seam stitch pitch | 8 stitches per inch | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Limited manufacturer warranty | 1 year | |
| Floor glide static load per leg | 50 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Inner seat-back shell | 12mm thick curved hardwood plywood frame | |
|---|---|---|
| Upholstery fabric | Textured blue polyester-blend woven fabric | |
| Seat padding | 150mm thick high-resilience polyurethane foam | |
| Backrest padding | 80mm thick high-resilience polyurethane foam | |
| Swivel base frame | 2mm thick powder-coated black carbon steel 4-prong spider | |
| Swivel mechanism | Steel ball-bearing 360-degree rotation hub | |
| Floor protectors | 10mm thick felt glides fitted to each base leg end | |
| Fasteners | Zinc-plated steel hardware for base and shell connection | |
| 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
| Rotation function | 360-degree smooth swivel rotation via central ball-bearing hub | |
|---|---|---|
| Floor protection | Felt glides on all 4 base legs prevent hard floor scratching | |
| Seating support | Enveloping wraparound integrated arm-back shell provides lateral upper body support | |
| Mobility | Stationary fixed-position base without caster wheels for stable lounge seating | |
| Adjustment features | No height adjustment, no tilt, no recline adjustment mechanisms visible | |
| Assembly requirement | Simple attachment of pre-assembled seat unit to swivel base with included hardware | |
| Armrest function | Continuous curved armrests integrated into back shell support relaxed arm positioning | |
| Fabric performance | Tight-woven textured fabric resists pilling and allows easy spot cleaning | |
| 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
| Living room casual seating | Placed as standalone accent chair near sofas or windows for relaxed reading or lounging | |
|---|---|---|
| Office breakout area use | Suitable for informal meeting zones and employee relaxation spaces in commercial offices | |
| Bedroom seating | Positioned at bedroom corners or vanity areas for dressing and relaxation use | |
| Hotel lobby guest seating | Used in hotel reception and guest room lounge areas for comfortable visitor seating | |
| Waiting area seating | Installed in clinic, studio or boutique waiting zones for short-term guest seating | |
| Modern residential open-plan space | Coordinates with minimalist, contemporary or Scandinavian interior design schemes | |
| Small apartment seating | Compact footprint fits in smaller urban living spaces without overcrowding rooms | |
| High-traffic public spaces | Durable fabric and stable base suitable for daily use in public lounge areas |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Furniture strength, durability and safety requirements for domestic seating | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability resistance for smouldering cigarette source |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2022 | Safety and performance standard applicable for lounge seating in public spaces | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General office furniture durability test methods applicable for non-task seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden-framed upholstered seating furniture | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture | |
| GB/T 19001-2016 | Quality management system applicability for production consistency of upholstered chairs |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden-framed upholstered seating furniture; 2. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture; 3. GB/T 19001-2016: Quality management system applicability for production consistency of upholstered chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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