| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 610 x 680 x 848 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
| Chair net weight | 8 kg | |
|---|---|---|
| Static seat load capacity | 120 kg | |
| Recommended user weight limit | 110 kg | |
| Folded nesting storage depth per chair | 220 mm | |
| Tablet surface abrasion cycles | 10000 cycles | |
| 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 | |
| Caster Rolling Durability Reference | Acceptance target 30000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support | Breathable woven polyester mesh stretched over PP frame | |
|---|---|---|
| Seat cushion | High-density polyurethane foam with fabric upholstery | |
| Frame structure | 1.5mm thick powder-coated steel tube with light gray finish | |
| Armrests | Fixed injection-molded polypropylene with textured matte surface | |
| Writing tablet | Black impact-resistant ABS plastic with spring-loaded steel hinge | |
| Floor glides | Hard-wearing black nylon non-scuff feet | |
| Folding hinge mechanism | Zinc-plated steel pivot joints with lockable stops | |
| Cushion foam density | 45 kg/m³ high-resilience polyurethane foam | |
| Mesh fabric abrasion resistance | 30000 Martindale cycles | |
| 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
| Writing tablet operation | Side-mounted tablet folds 180 degrees to stow flush against chair side | |
|---|---|---|
| Chair folding mechanism | Frame folds flat to enable nesting and compact vertical storage | |
| Seat position | Fixed non-tilting seat aligned for upright training/conference posture | |
| Backrest support | Fixed ergonomic Y-shaped lumbar support integrated into mesh frame | |
| Armrest design | Fixed height armrests positioned to support forearms during writing or typing | |
| Nesting compatibility | Chairs nest front-to-back after folding to minimize storage floor space | |
| Floor protection | Non-marking nylon glides slide across hard floors without scratching | |
| 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
| Corporate training rooms | Stackable foldable design supports fast room reconfiguration | |
|---|---|---|
| Conference meeting spaces | Upright posture and integrated tablet suit short collaborative sessions | |
| Educational lecture halls | Durable construction and compact storage suit high-traffic institutional use | |
| Temporary event seating | Lightweight frame enables fast setup and teardown for one-off events | |
| Hot-desking work zones | Small footprint and tablet support quick touchdown work sessions | |
| Visitor waiting areas | Fixed stable frame provides comfortable short-duration seating for guests | |
| 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 1335-1:2020 | Applicable standard for office chair functional dimensions and safety requirements | |
|---|---|---|
| EN 1022:2018 | Applicable standard for seating furniture stability test requirements | |
| EN 1728:2014 | Applicable standard for seating furniture strength and durability test methods | |
| Caster-free floor contact static stability | 3 degrees |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable standard for metal furniture general technical requirements | |
|---|---|---|
| GB 18584-2001 | Applicable standard for furniture upholstery formaldehyde emission limits |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable standard for metal furniture general technical requirements; 2. GB 18584-2001: Applicable standard for furniture upholstery formaldehyde emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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