| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall set footprint | 600 x 450 x 800 mm | |
|---|---|---|
| Desk work surface | 600 x 400 mm | |
| Maximum desk top height | 800 mm | |
| Under-desk storage cubby | 450 x 300 x 150 mm | |
| Desk front lip height | 30 mm | |
| Chair seat dimensions | 400 x 410 mm | |
| Maximum chair seat height | 460 mm | |
| Chair backrest dimensions | 420 x 435 mm | |
| Steel frame outer tube | 30 x 60 x 1.7 mm | |
| Height adjustment collar width | 20 mm | |
| Anti-slip foot cap size | 40 x 40 mm | |
| Knee clearance under desk | 450 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 | 20 kg | |
|---|---|---|
| Desk static load capacity | 80 kg | |
| Recommended user age range | 12 years | |
| Frame welded joint static load | 300 kg | |
| Service life | 5 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 | |
| Caster Rolling Durability Reference | Acceptance target 30000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Desk top | 5mm thick injection-molded blue polypropylene | |
|---|---|---|
| Chair seat and back shell | 4mm thick injection-molded blue polypropylene | |
| Desk and chair frame | 1.7mm thick flat oval powder-coated steel | |
| Height adjustment collars | High-impact blue ABS plastic | |
| Under-desk storage cubby | 3mm thick blue injection-molded polypropylene | |
| Floor contact foot caps | Non-slip blue TPE plastic | |
| Frame cross bracing | 1.2mm thick powder-coated steel tube | |
| Desk top edge treatment | Rounded 10mm radius PP edge | |
| 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
| Desk height adjustment | 4 position telescoping leg lock, 130mm total travel | |
|---|---|---|
| Integrated pencil management | 6 notched slots along desk top rear edge | |
| Chair carry function | Rectangular cutout in chair back top center | |
| Ventilated seating | Horizontal molded slots on seat and backrest | |
| Stationery retention | 30mm raised front lip on desk surface | |
| Stable cantilever base | 4-point floor contact with anti-slip caps | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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
| Primary school classroom use | Single student configuration for standard K-6 classroom layouts | |
|---|---|---|
| Home study space | Sized for children's bedrooms or dedicated study areas for kids 12 | |
| After-school tutoring centers | Durable, easy-to-clean surface suitable for daily multi-user use | |
| Community education facilities | Lightweight, movable design for flexible room configuration | |
| Special education classrooms | Adjustable height accommodates varying student size and accessibility needs | |
| 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 | Functional safety requirements for educational furniture | |
|---|---|---|
| EN 1729-2:2015 | Safety test methods for educational seating and tables |
Standards applicable to China-market projects
| GB/T 3976-2014 | Functional size and technical requirements for school desks and chairs | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture coatings |
This product must meet the following technical requirements: 1. GB/T 3976-2014: Functional size and technical requirements for school desks and chairs; 2. GB 18584-2001: Limit of harmful substances in wooden furniture coatings; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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