| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall desk dimensions | 1100 x 450 x 760 mm | |
|---|---|---|
| Desk top thickness | 20 mm | |
| Under-desk knee clearance height | 600 mm | |
| Overall chair dimensions | 410 x 395 x 820 mm | |
| Chair seat height | 450 mm | |
| Chair seat panel size | 410 x 395 mm | |
| Chair backrest size | 410 x 200 mm | |
| Steel frame tube diameter | 25 mm | |
| Under-desk storage compartment depth | 300 mm | |
| Floor glide diameter | 20 mm | |
| Frame cross-brace height from floor | 150 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
| Set net weight | 22 kg | |
|---|---|---|
| Desk top vertical static load capacity | 100 kg | |
| Recommended user weight | 100 kg | |
| Frame weld joint static load strength | 1500 N | |
| Surface abrasion resistance (desk top) | 2000 cycles | |
| Recommended user age group | 18 years | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Desk top panel | 20mm E1-grade laminated rubberwood panel with rounded edges | |
|---|---|---|
| Chair seat panel | 20mm E1-grade laminated rubberwood panel with secured metal fasteners | |
| Chair backrest panel | 15mm E1-grade laminated rubberwood panel with curved profile | |
| Structural frame | 1.5mm thick cold-rolled tubular steel, white epoxy powder-coated | |
| Under-desk storage structure | 0.8mm formed steel dividers with white painted finish | |
| Frame cross-bracing | 1.2mm thick steel tube welded to leg frames for rigidity | |
| Floor glides | Non-marking black rubber caps fitted to all leg bases | |
| Panel edge finish | Sealed, rounded painted edges to prevent snagging and injury | |
| 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Single-position dedicated seating aligned to desk work surface for individual study | |
|---|---|---|
| Under-desk storage | Divided open metal shelf for textbook, notebook and stationery storage | |
| Frame stability | Welded cross-braced leg structure with floor glides to prevent wobble on hard floors | |
| Floor protection | Rubber foot caps that prevent scuffing and reduce sliding noise during repositioning | |
| Assembly structure | Knock-down design with bolted frame connections for easy on-site installation | |
| Surface maintenance | Smooth laminated panel surfaces that resist water and stains for easy daily cleaning | |
| 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
| Classroom installation | Suitable for middle and high school general classrooms for daily lecture and study use | |
|---|---|---|
| Study room deployment | Ideal for tutorial centers, school libraries and home study spaces for individual work | |
| Temporary training space | Suited for corporate training rooms and community education centers | |
| Bulk procurement suitability | Designed for high-volume institutional purchase with standardized, replaceable parts | |
| Hard floor compatibility | Works on concrete, tile and wood flooring without surface damage | |
| 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 1729-1:2015 | Applies to functional and safety requirements for educational furniture | |
|---|---|---|
| EN 1729-2:2012 | Applies to test methods for strength, durability and stability of school seating |
Standards applicable to China-market projects
| GB/T 3976-2014 | Applies to size and functional dimensions of school desks and chairs for student use | |
|---|---|---|
| GB 18580-2017 | Applies to formaldehyde emission limits for wood-based panel components (E1 grade requirement) | |
| GB/T 10357.1-2013 | Applies to table strength, durability and stability test methods for furniture |
This product must meet the following technical requirements: 1. GB/T 3976-2014: Applies to size and functional dimensions of school desks and chairs for student use; 2. GB 18580-2017: Applies to formaldehyde emission limits for wood-based panel components (E1 grade requirement); 3. GB/T 10357.1-2013: Applies to table strength, durability and stability test methods for furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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