Physical Dimensions
Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 620 × 700 × 870 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat usable width | 460 mm | |
| Seat usable depth | 450 mm | |
| Backrest height above seat | 330 mm | |
| Backrest width | 400 mm | |
| Armrest height above seat | 220 mm | |
| Writing tablet usable dimensions | 250 x 360 mm | |
| Writing tablet thickness | 17.5 mm | |
| Folded profile depth | 200 mm | |
| Leg spread width at floor | 580 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Weight, Load & Performance
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Net weight per chair | 8 kg | |
|---|---|---|
| Maximum recommended user load | 150 kg | |
| Stacking quantity for storage | 15 chairs | |
| Writing tablet static load capacity | 15 kg | |
| Frame static load rating | 300 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat cushion foam thickness | 40 mm | |
| Backrest foam thickness | 10 mm | |
| Warranty period for commercial use | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Materials & Structure
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Frame construction | 1.5 mm thick powder-coated cold-rolled steel tube | |
|---|---|---|
| Backrest | Vented slotted black polypropylene plastic | |
| Seat upholstery | 300D polyester fabric over high-density foam | |
| Seat internal support | 12 mm thick plywood base under foam padding | |
| Writing tablet | Solid black polypropylene plastic with steel pivot bracket | |
| Armrests | Integral glass-fiber reinforced polypropylene | |
| Foot caps | Non-slip injection-molded nylon end caps | |
| Tablet pivot hardware | Zinc-plated steel hinge with detent lock | |
| Surface finish on frame | Epoxy polyester powder coating, matte black | |
| 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 |
Functions & Adjustment
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Folding mechanism | X-pattern steel frame hinge that folds flat for storage | |
|---|---|---|
| Writing tablet operation | Side-mounted tablet rotates 90 degrees to stow flush when not in use | |
| Stacking capability | Folded chairs nest vertically for high-density storage | |
| Backrest ventilation | Vertical slotted openings provide 30% open area for airflow | |
| Optional caster compatibility | Pre-drilled leg ends accept 50 mm swivel casters for mobile configurations | |
| Seat tilt lock | Positive lock in open position to prevent unintended folding during use | |
| Optional under-seat storage | Frame accepts mesh book net attachment below seat | |
| Tablet load detent | Locking detent holds tablet in horizontal working position | |
| 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 |
Packaging & Logistics
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| 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 |
Applications & Usage
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Corporate training rooms | Compact stackable design supports quick room reconfiguration between sessions | |
|---|---|---|
| Conference and meeting spaces | Integrated writing tablet supports note-taking without separate tables | |
| Educational institution classrooms | Durable frame and easy cleaning suit daily student use | |
| Temporary event seating | Foldable lightweight design allows fast setup and teardown for events | |
| Co-working flexible spaces | Stackable storage minimizes footprint when not in active use | |
| Exam and assessment halls | Attached tablet provides individual writing surface for testing environments | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Entry Requirements * EN Standards
EU Market Access Requirements* EN Standards
| EN 1728:2012 | Domestic and commercial furniture seating test methods for strength and durability | |
|---|---|---|
| EN 1022:2018 | Seating furniture stability test standard for non-domestic use | |
| EN 12520:2015 | Strength, durability and safety requirements for commercial seating |
North America Purchasing & Inspection Reference * ANSI/BIFMA Standards
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs standard for static and dynamic load testing | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Lounge and public seating standard for multi-use institutional applications |
Standards Applicable to China-Market Projects * GB Standards
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to frame structural performance | |
|---|---|---|
| GB/T 35607-2017 | Green product assessment standard for furniture, applicable to low-emission material verification | |
| GB 28007-2011 | Safety requirements for children's and institutional furniture, applicable to stability testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to frame structural performance; 2. GB/T 35607-2017: Green product assessment standard for furniture, applicable to low-emission material verification; 3. GB 28007-2011: Safety requirements for children's and institutional furniture, applicable to stability testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
Ready-to-use export tools
Export data is generated from the current published product record.
Technical Report PDF
Directly download an English report in metric or imperial units.
Complete Parameter Workbook
Download all product information and parameter modules in English.
International Listing Template
English title, specifications, materials, standards and purchasing fields.
Customs Declaration Data
Prepare customs description, material, usage, dimensions and declaration elements.
Open Export Tool