| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W×D×H) | 620 × 620 × 830 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat usable width | 465 mm | |
| Seat usable depth | 470 mm | |
| Backrest width | 415 mm | |
| Backrest height above seat | 400 mm | |
| Armrest height from floor | 690 mm | |
| Armrest height above seat | 245 mm | |
| Front base footprint width | 510 mm | |
| Frame base depth | 620 mm | |
| Folded thickness (flat storage) | 130 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 per chair | 13.6 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Stackable quantity for storage | 12 units | |
| Seat foam density | 45 kg/m³ | |
| Seat foam thickness | 50 mm | |
| Backrest mesh tensile strength | 2500 N/50mm | |
| Mesh upholstery abrasion resistance | 120000 Martindale cycles | |
| Frame static load test rating | 1360 kg | |
| Standard warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame construction | 1.5mm thick powder-coated matte black steel tube | |
|---|---|---|
| Backrest upholstery | Horizontal ribbed breathable polyester mesh | |
| Seat padding | High-density polyurethane foam | |
| Seat surface | 0.8mm thick matte black fabric or PU upholstery | |
| Armrests | Glass-fiber reinforced polypropylene integrated with frame | |
| Pivot hinges | Zinc-plated steel rivet hinges at X-brace joints | |
| Foot glides | Non-slip injection-molded PP glide pads | |
| Back support frame | 2mm thick molded PP inner support under mesh | |
| Seam stitch pitch | 8 stitches per inch | |
| 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
| Folding mechanism | Side X-brace steel pivot allows 90-degree flat fold for compact storage | |
|---|---|---|
| Stacking function | Chairs nest vertically when folded to minimize storage footprint | |
| Back support position | Fixed 10-degree backward tilted ergonomic angle for lumbar support | |
| Armrest support | Fixed non-adjustable armrests at 245mm above seat for forearm support | |
| Floor protection | Non-marring glide feet slide smoothly without scratching hard flooring | |
| Mobility for reconfiguration | Lightweight sled base allows easy repositioning by lifting front edge | |
| Ventilation function | Horizontal ribbed mesh back allows continuous airflow for long sitting comfort | |
| 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 conference rooms | Provides uniform, quick-storage seating for scheduled meetings and training sessions | |
|---|---|---|
| Training and seminar spaces | Enables fast layout reconfiguration and compact storage between multi-use events | |
| Office reception and waiting areas | Delivers professional breathable guest seating with durable easy-clean surfaces | |
| Event and temporary workspace setups | Supports rapid deployment of temporary seating for off-site and pop-up work events | |
| Educational institution classrooms | Withstands high-frequency student use with stackable design for efficient room turnover | |
| Coworking space shared zones | Offers flexible seating that can be stored when open floor space is required | |
| 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 | Applies to office seating dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office seating structural strength and durability test requirements | |
| EN 1022:2018 | Applies to seating stability testing for domestic and contract seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chairs strength, durability and safety tests | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to static load capacity verification for large-user office seating |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional tolerance requirements for office seating dimensions | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical strength and durability test methods for chairs | |
| GB 18584-2001 | Applies to limit of harmful substances for wooden/furniture upholstered components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional tolerance requirements for office seating dimensions; 2. GB/T 10357.3-2013: Applies to mechanical strength and durability test methods for chairs; 3. GB 18584-2001: Applies to limit of harmful substances for wooden/furniture upholstered components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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