| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 720 x 660 x 850 mm | |
|---|---|---|
| Seat height | 470 mm | |
| Seat width | 540 mm | |
| Seat depth | 450 mm | |
| Backrest height above seat | 380 mm | |
| Armrest height above seat | 200 mm | |
| Base leg spread diameter | 680 mm | |
| Cutout opening between seat and back | 220 mm wide x 80 mm tall | |
| Seat padding thickness | 80 mm | |
| Backrest padding thickness | 60 mm | |
| Steel base tube diameter | 12 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended static load capacity | 150 kg | |
|---|---|---|
| Net weight | 18 kg | |
| Seat foam density | 30 kg/m³ | |
| Foam rebound rate | 45% | |
| Base swivel static load rating | 200 kg | |
| Floor glide contact diameter | 20 mm | |
| Structural warranty period | 1 year | |
| Available color option count | 2 | |
| 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 upholstery | 1.2 mm thick faux leather with matte terracotta finish | |
|---|---|---|
| Outer arm/back shell | Dark gray molded fiberglass-reinforced composite | |
| Seat support pan | 12 mm thick birch plywood under foam | |
| Seat suspension | Elastic polyester webbing under foam pad | |
| Base frame | Matte black powder-coated carbon steel double-bar four-spoke structure | |
| Swivel mechanism | 3 mm thick steel ball-bearing swivel plate | |
| Floor glides | Non-marking polyethylene plastic foot caps | |
| Upholstery stitching | High-tensile polyester thread with 8 mm seam pitch | |
| Internal frame reinforcement | 1.5 mm thick steel brackets connecting shell to base | |
| 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 continuous rotation via central ball-bearing plate | |
|---|---|---|
| Seat position | Fixed 470 mm seating height, no height adjustment | |
| Backrest position | Fixed 105-degree reclined angle for upright lounge/dining support | |
| Armrest integration | Wrap-around integrated armrests forming continuous seat perimeter | |
| Floor protection | Fixed plastic glides on all four leg ends, no rolling casters | |
| Cutout ventilation | Open geometric cutout between seat and back reduces material weight | |
| Assembly requirement | Knockdown assembly of base to seat shell with included hardware | |
| 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
| Dining space application | Suitable for modern dining rooms as armchair seating at 760 mm height tables | |
|---|---|---|
| Home office/study application | Usable as visitor seating beside desks or in small study nooks | |
| Living room accent application | Functions as a standalone accent chair beside side tables or in reading corners | |
| Commercial lounge application | Suitable for hotel lobbies, co-working breakout spaces, and café seating | |
| Conference room application | Usable as fixed-height meeting seating for small conference rooms | |
| Recommended pairing | Pairs with minimalist metal or stone-top tables in neutral gray, black, or oak finishes | |
| 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 applicability | Applicable for residential seating strength, durability and stability | |
|---|---|---|
| EN 1022:2018 applicability | Applicable for seating stability testing on horizontal and vertical forces | |
| EN 16139:2013 applicability | Applicable for non-domestic seating strength if used in public spaces |
Standards applicable to China-market projects
| GB 18584-2001 applicability | Applicable for formaldehyde emission limits of wooden furniture components | |
|---|---|---|
| GB/T 3324-2017 applicability | Applicable for general technical requirements for metal furniture bases |
This product must meet the following technical requirements: 1. GB 18584-2001 applicability: Applicable for formaldehyde emission limits of wooden furniture components; 2. GB/T 3324-2017 applicability: Applicable for general technical requirements for metal furniture bases; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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