| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 840 x 850 x 860 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat width | 590 mm | |
| Seat depth | 550 mm | |
| Backrest height | 450 mm | |
| Armrest height | 180 mm | |
| Base diameter span | 720 mm | |
| Central stem diameter | 50 mm | |
| Seat shell 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
| Recommended static load capacity | 136 kg | |
|---|---|---|
| Unit net weight | 32 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Seam stitch pitch | 8 stitches per inch | |
| Warranty period | 3 years | |
| Available color variants | 4 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and inner arm upholstery | Woven polyester blend fabric | |
|---|---|---|
| Outer back shell upholstery | Matte tan synthetic leather | |
| Inner seat frame | 18mm thick kiln-dried plywood | |
| Cushion fill | High-density polyurethane foam | |
| Central swivel stem | Polished chrome-plated steel | |
| 4-prong base structure | 2.5mm thick polished chrome-plated steel | |
| Base foot glides | 10mm thick non-scratch felt pads | |
| Seam edge trim | Matching light gray piping | |
| Internal swivel bearing | Lubricated steel bearing assembly | |
| 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 full rotation around central stem | |
|---|---|---|
| Base design | Fixed stationary four-prong star base | |
| Adjustment features | No height, tilt or recline adjustments | |
| Armrest integration | Continuous curved armrests molded as part of seat shell | |
| Backrest support | Fixed 110-degree reclined lounge angle | |
| Floor protection | Felt glides pre-installed at each base prong end | |
| Assembly requirement | Tool-fastened connection of base to seat stem | |
| 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 reception areas | Provides relaxed guest seating with modern professional aesthetic | |
|---|---|---|
| Residential living rooms | Functions as accent lounge seating near sofas or reading nooks | |
| Lounge and waiting spaces | Suitable for high-end hotel lobbies and executive break areas | |
| Open collaborative office zones | Offers casual seating for informal team discussions | |
| Quiet focus corners | Pairs with small side tables for solo relaxation or reading | |
| Showroom and gallery spaces | Works as a design-forward display seating piece for modern interiors | |
| 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 | Domestic furniture strength, durability and safety requirements for seating | |
|---|---|---|
| EN 1022:2018 | Seating stability test standard for non-adjustable 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 internal plywood frame | |
|---|---|---|
| GB/T 19995.1-2005 | Upholstered furniture durability requirements, applicable to seating structure |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood frame; 2. GB/T 19995.1-2005: Upholstered furniture durability requirements, applicable to seating structure; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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