| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 790 x 830 x 830 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat width | 630 mm | |
| Seat depth | 560 mm | |
| Backrest height | 480 mm | |
| Armrest height from seat | 190 mm | |
| Back cutout height | 180 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 | 29 kg | |
|---|---|---|
| Static weight capacity | 181 kg | |
| Swivel rotation range | 360 degrees | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 60% | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | Woven polyester fabric | |
|---|---|---|
| Cushion fill | High-density polyurethane foam wrapped in polyester fiber | |
| Inner frame | 18 mm thick plywood | |
| Swivel base ring | 1.5 mm thick polished chrome-plated steel | |
| Base bottom pad | 5 mm thick non-slip black rubber | |
| Swivel mechanism | Cold-rolled steel bearing assembly | |
| Upholstery abrasion resistance | 30000 double rubs | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Swivel operation | Smooth 360-degree rotation with no tilt or height adjustment | |
|---|---|---|
| Floor protection | Continuous rubber pad under base prevents floor scratches | |
| Posture support | Contoured concave seat pan and curved wing back support relaxed lounging | |
| Assembly delivery | Fully assembled, no home assembly required | |
| Armrest integration | Seamless curved armrests formed as part of single upholstered body | |
| Back ventilation | Asymmetrical side cutout improves air flow and visual lightness | |
| Swivel base diameter | 660 mm | |
| 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 accent seating | Placed as statement seating near sofas for casual guest use | |
|---|---|---|
| Lounge waiting area seating | Used in boutique office or hotel lobbies for relaxed visitor waiting | |
| Bedroom corner reading nook | Positioned in a bedroom corner paired with a small side table | |
| Modern open workspace breakout area | Deployed in office collaboration zones for informal short meetings | |
| 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 | Residential seating furniture strength, durability and safety requirements | |
|---|---|---|
| EN 1022:2018 | Seating furniture stability test methods for domestic lounge chairs |
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 for wooden furniture, applicable to inner frame performance | |
|---|---|---|
| GB/T 16799-2008 | Furniture upholstery fabric performance requirements for abrasion and colorfastness |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to inner frame performance; 2. GB/T 16799-2008: Furniture upholstery fabric performance requirements for abrasion and colorfastness; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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