| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall set footprint | 650 x 700 x 760 mm | |
|---|---|---|
| Desktop size | 600 x 450 x 18 mm | |
| Desk working height | 760 mm | |
| Chair overall dimension | 410 x 400 x 820 mm | |
| Chair seat size | 390 x 360 mm | |
| Chair seat height | 460 mm | |
| Chair backrest size | 400 x 220 mm | |
| Under-desk wire basket internal size | 450 x 300 x 170 mm | |
| Front drawer internal depth | 120 mm | |
| Frame tube cross-section | 20 x 40 mm | |
| Footrest crossbar height | 160 mm | |
| Knee clearance under drawer | 470 mm | |
| Rubber foot pad size | 30 mm diameter | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Set net weight | 18 kg | |
|---|---|---|
| Desktop static load capacity | 100 kg | |
| Recommended user weight | 100 kg | |
| Recommended user height range | 170 cm | |
| Powder coating salt spray resistance | 48 hours | |
| Seat panel edge impact resistance | 10 J | |
| 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 panel | 18mm E1-grade melamine laminated plywood with 2mm PP edge banding | |
|---|---|---|
| Chair seat panel | 16mm E1-grade laminated plywood with rounded corners | |
| Chair backrest panel | 12mm laminated plywood slat with visible fasteners | |
| Desk and chair frame | 1.2mm thick rectangular cold-rolled steel tube with white epoxy polyester powder coating | |
| Under-desk storage basket | 0.7mm thick cold-rolled steel wire mesh with white powder coating | |
| Front drawer body | 0.6mm thick cold-rolled steel sheet with white powder coating | |
| Foot pads | Black non-slip natural rubber pads with embedded steel washers | |
| Frame connection hardware | Zinc-plated steel bolts and rivets with rust-resistant coating | |
| Surface finish treatment | Acid pickling, phosphating pre-treatment before powder coating | |
| 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
| Cantilever chair flex support | Fixed S-shaped steel frame provides 10° passive flex without adjustment | |
|---|---|---|
| Front drawer storage | Fixed open-front shallow compartment holds stationery and small supplies directly below desktop | |
| Under-desk wire basket storage | Open wire grid basket holds school bags, books and personal items under the drawer | |
| Footrest support | Horizontal lower frame crossbar provides stable foot rest for seated users | |
| Floor protection | Rubber foot pads prevent floor scratching and reduce sliding on hard tile floors | |
| Edge safety design | All desktop and seat panel edges are rounded to 10mm radius to prevent impact injury | |
| Stacking compatibility | Cantilever chair design allows vertical stacking of 5 chairs for space-efficient storage | |
| Surface cleanability | Melamine laminate surface resists common stains and allows wiping with standard disinfectants | |
| 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
| Packaging carton dimension | 620 x 430 x 780 mm | |
|---|---|---|
| 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 use | Suitable for primary and middle school general classrooms, fixed height for standard student grades | |
|---|---|---|
| Tutoring center use | Suitable for after-school tutoring centers and training institutions with high daily traffic | |
| Home study space use | Suitable for home children's study area for homework and writing activities | |
| Examination hall use | Suitable for standardized examination rooms with non-adjustable fixed structure | |
| Library reading area use | Suitable for school library individual study carrel zones | |
| Temporary training venue use | Suitable for temporary training events with easy deployment and stackable chair storage | |
| 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 safety and strength requirements for educational furniture seating | |
|---|---|---|
| EN 1729-2:2015 | Applicable for safety and strength requirements for educational furniture tables |
Standards applicable to China-market projects
| GB/T 3976-2014 | Applicable for size and functional requirements of school desks and chairs | |
|---|---|---|
| GB 18584-2001 | Applicable for formaldehyde emission limits for wood-based panel furniture | |
| GB 28007-2011 | Applicable for general safety requirements for children's and student furniture |
This product must meet the following technical requirements: 1. GB/T 3976-2014: Applicable for size and functional requirements of school desks and chairs; 2. GB 18584-2001: Applicable for formaldehyde emission limits for wood-based panel furniture; 3. GB 28007-2011: Applicable for general safety requirements for children's and student furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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