| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 600 x 680 x 760 mm | |
|---|---|---|
| Desktop size | 600 x 450 mm | |
| Under-desk book trough internal dimensions | 520 x 300 x 120 mm | |
| Chair seat dimensions | 400 x 410 mm | |
| Seat height from floor | 460 mm | |
| Chair backrest dimensions | 400 x 233 mm | |
| Knee clearance under desk | 550 mm | |
| Steel frame tubing size | 28 x 1.5 mm | |
| Non-slip foot cap size | 30 x 30 mm | |
| Laminate desktop thickness | 25 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
| Unit net weight | 18 kg | |
|---|---|---|
| Desktop static load capacity | 136 kg | |
| Recommended user age range | 15 years | |
| Laminate surface abrasion resistance | 2000 cycles | |
| Frame finish durability | 500 hours salt spray resistance | |
| 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
| Support frame | White powder-coated carbon steel tubing | |
|---|---|---|
| Desktop surface | Grey high-pressure melamine laminate over MDF core | |
| Desk edge trim | Impact-resistant PP rounded edge banding | |
| Under-desk book trough | Cold-rolled steel with white powder coat | |
| Chair seat | Grey melamine laminate molded wood panel | |
| Chair backrest | Perforated wood-look plywood panel with laminate finish | |
| Sled base feet | Black non-slip rubber end caps | |
| Frame cross bracing | Welded steel tube reinforcements | |
| 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 cantilever sled base | Four-point floor contact with rubber feet, no tilting or movement | |
|---|---|---|
| Open front under-desk storage | Front-access trough holds books, notebooks and stationery | |
| Contoured seat and back | Ergonomic curved panels support upright seated posture | |
| Integrated connected frame | Desk and chair share common welded steel structure, no loose parts | |
| Scratch-resistant work surface | Melamine finish resists pen marks, stains and daily wear | |
| Floor protection design | Rubber foot caps prevent scuffing and sliding on hard floors | |
| 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 standard classrooms | Fixed connected units maintain orderly rows for daily group instruction | |
|---|---|---|
| Tutoring and training centers | Durable easy-to-clean surfaces suit high-traffic after-school learning spaces | |
| Homeschool study spaces | Compact footprint fits small home study areas for single student use | |
| Exam and testing rooms | Fixed integrated design prevents unauthorized movement during assessments | |
| Library reading areas | Neutral grey-white finish blends with quiet learning environment aesthetics | |
| 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
| Educational furniture safety requirements | EN 1729:2015 | |
|---|---|---|
| Furniture surface wear resistance | EN 14372:2004 |
Standards applicable to China-market projects
| Student desk and chair functional size | GB/T 3976 | |
|---|---|---|
| Wood-based panel furniture safety | GB 18580 | |
| Metal furniture general technical requirements | GB/T 3324 |
This product must meet the following technical requirements: 1. Student desk and chair functional size: GB/T 3976; 2. Wood-based panel furniture safety: GB 18580; 3. Metal furniture general technical requirements: GB/T 3324; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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