| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall set footprint | 650 x 700 x 780 mm | |
|---|---|---|
| Desktop dimensions | 650 x 450 mm | |
| Desktop thickness | 25 mm | |
| Under-desk storage compartment dimensions | 460 x 350 x 140 mm | |
| Chair seat dimensions | 440 x 400 mm | |
| Seat height from floor | 460 mm | |
| Chair backrest dimensions | 400 x 320 mm | |
| Under-desk knee clearance height | 600 mm | |
| Frame tubing diameter (main desk/legs) | 38 mm | |
| Frame wall thickness | 2.0 mm | |
| Foot glide diameter | 30 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 | 18 kg | |
|---|---|---|
| Desktop static load capacity | 100 kg | |
| Storage compartment weight capacity | 20 kg | |
| Surface abrasion resistance | 2000 cycles | |
| Recommended user age range | 18 years | |
| Frame weld static strength | 300 kg | |
| 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
| Desktop surface | 25mm melamine laminate MDF with rounded PP edge trim | |
|---|---|---|
| Seat and backrest panels | Rigid turquoise PP molded shell | |
| Structural frame | 38 x 2.0mm round steel tube with light gray powder coating | |
| Under-desk storage bin | 0.7mm cold-rolled formed steel with gray powder coat | |
| Frame cross-bracing | 22 x 2.0mm round steel tube, welded to main legs | |
| Foot glides | Injection-molded PP non-slip, non-marring caps | |
| Frame welds | Robotic arc welded joints with powder coat touch-up | |
| Surface finish | Matte scratch-resistant powder coat on metal, matte laminate on surfaces | |
| 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
| Fixed-height work surface | Fixed cantilever mounting at 780mm height with no adjustment mechanism | |
|---|---|---|
| Under-desk open-front storage | Front-access open cubby for backpacks, books and school supplies | |
| Cantilever chair design | Fixed curved steel frame with no moving parts for high classroom durability | |
| Non-slip floor contact | PP foot glides prevent floor scratching and sliding during student use | |
| Wipe-clean surfaces | Laminate top and molded seat/back allow quick disinfection between uses | |
| Integrated footrest | Lower cross-brace on desk frame provides foot support for seated students | |
| Edge safety design | Rounded desktop and seat edges eliminate sharp impact points for users | |
| 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
| K-12 classroom installation | Sized for fixed row seating in primary, middle or high school classrooms | |
|---|---|---|
| Exam hall seating | Fixed durable structure suitable for high-traffic long-duration exam use | |
| Tutoring center use | Compact footprint suitable for small group and individual tutoring spaces | |
| Temporary training facility setup | Durable steel frame withstands frequent reconfiguration for training sessions | |
| Budget educational furniture procurement | Standardized design supports bulk ordering for new school construction | |
| 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 | Applicable for functional and safety requirements of educational seating/desks | |
|---|---|---|
| EN 1729-2:2012 | Applicable for strength/durability test methods for educational furniture |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for general technical requirements of wooden furniture desktops | |
|---|---|---|
| GB/T 3325-2017 | Applicable for metal furniture structural safety and frame strength | |
| GB 28007-2011 | Applicable for safety requirements of children/student furniture edges and stability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for general technical requirements of wooden furniture desktops; 2. GB/T 3325-2017: Applicable for metal furniture structural safety and frame strength; 3. GB 28007-2011: Applicable for safety requirements of children/student furniture edges and stability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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