| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 760 x 860 x 950 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat depth | 610 mm | |
| Seat width | 760 mm | |
| Backrest height | 490 mm | |
| Armrest height | 190 mm | |
| 4-star base footprint diameter | 700 mm | |
| Floor clearance under seat | 150 mm | |
| Integrated armrest width | 80 mm | |
| Seat cushion thickness | 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 | 30 kg | |
|---|---|---|
| Recommended static weight capacity | 250 kg | |
| Seat foam density | 28 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Base static load rating | 300 kg | |
| Seam stitch pitch | 8 stitches per inch | |
| 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
| Outer upholstery | Smooth matte light grey faux leather, 1.2mm thickness | |
|---|---|---|
| Seat filling | High-resilience polyurethane foam, 120mm thick | |
| Backrest filling | High-resilience polyurethane foam, 80mm thick | |
| Internal seat shell | 12mm thick molded plywood core | |
| Swivel mechanism | Steel 360° rotation bearing, no height adjustment | |
| 4-prong base | 2mm thick powder-coated black steel, four legs | |
| Floor glides | Hard plastic non-marking glides at leg ends | |
| Stitching thread | High-tenacity polyester matching upholstery color | |
| 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 around central vertical axis | |
|---|---|---|
| Seating posture | Fixed 108-degree relaxed reclined back angle, no tilt adjustment | |
| Arm support | Integrated wrap-around armrests continuous with seat shell | |
| Floor protection | Non-marking glides prevent floor scuffing on hard surfaces | |
| Assembly requirement | Base attaches to seat shell with included hardware, no special tools needed | |
| Mobility | No casters, stationary placement with smooth rotational access | |
| Lumbar support | Contoured backrest provides built-in mid-back lumbar support | |
| 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
| Office lounge areas | Suitable for informal waiting and break spaces in corporate workplaces | |
|---|---|---|
| Hotel lobbies | Provides comfortable guest seating in contemporary hospitality interiors | |
| Residential living rooms | Functions as an accent chair for modern home seating arrangements | |
| Reception waiting zones | Offers relaxed visitor seating for client-facing office entrances | |
| Co-working breakout spaces | Supports casual collaboration and rest in shared work environments | |
| Showroom display areas | Fits modern furniture showroom styling as a contemporary accent piece | |
| 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 16139:2013 | Furniture strength, durability and safety for non-domestic seating | |
|---|---|---|
| EN 1022:2018 | Domestic furniture seating determination of stability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.41-2019 | Standard for lounge seating durability and structural performance | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General office seating safety reference for swivel mechanisms |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal plywood shell | |
|---|---|---|
| GB 18584-2001 | Indoor decorating material limit of harmful substances for wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood shell; 2. GB 18584-2001: Indoor decorating material limit of harmful substances for wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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