| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 650 x 500 x 760 mm | |
|---|---|---|
| Desktop surface dimensions | 650 x 450 x 25 mm | |
| Desktop height from floor | 760 mm | |
| Under-desk storage shelf dimensions | 600 x 380 x 15 mm | |
| Shelf clearance below desktop | 150 mm | |
| Seat surface dimensions | 400 x 380 mm | |
| Seat height from floor | 460 mm | |
| Backrest dimensions | 410 x 380 mm | |
| Knee clearance under desk | 450 mm width x 600 mm depth x 610 mm height | |
| Frame tube wall thickness | 1.5 mm | |
| Anti-slip foot cap size | 40 x 25 mm | |
| Cantilever frame footprint | 720 x 680 mm | |
| Backrest angle from seat | 100 degrees | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Net unit weight | 18 kg | |
|---|---|---|
| Maximum static frame load capacity | 150 kg | |
| Recommended user weight limit | 120 kg | |
| Recommended user age range | 18 years | |
| Powder coat scratch resistance | 500 rubbing cycles | |
| Surface impact resistance | 10 J impact | |
| Product warranty period | 1 year | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Structural frame | 1.5mm thick cold-rolled oval steel tube with white powder-coated finish | |
|---|---|---|
| Desktop surface | 25mm thick molded panel with smooth mint green finish and rounded safety edges | |
| Under-desk storage shelf | 15mm thick molded mint green panel, secured to frame with steel brackets | |
| Seat panel | One-piece molded mint green polymer panel, contoured for seated comfort | |
| Backrest panel | One-piece molded mint green polymer panel, curved for lumbar support | |
| Floor contact feet | Black non-marking TPE rubber anti-slip caps, fitted to all frame ends | |
| Frame weld points | Fully welded steel joints ground smooth before powder coating | |
| Surface finish | Non-porous smooth matte finish, stain-resistant and easy to wipe clean | |
| Edge protection | Rounded smooth molded edges on all panels, no exposed sharp metal | |
| 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
| Fixed height configuration | Non-adjustable fixed desk and seat height aligned for grade 12student use | |
|---|---|---|
| Cantilever stability design | Continuous C-shaped steel frame distributes weight to four floor contact points for wobble-free use | |
| Floor protection | Rubber end caps prevent floor scratching and reduce movement noise during use | |
| Integrated unit design | Permanently connected desk and chair eliminates separate furniture movement and misalignment | |
| Easy cleaning access | Open frame and smooth non-porous surfaces allow quick wiping between class periods | |
| Stackable compatibility | Matching units can be nested for compact storage during classroom cleaning or events | |
| 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 | Fixed individual seating and work surface for daily student lessons and writing tasks | |
|---|---|---|
| Tutoring center use | Dedicated individual study station for after-school tutoring and small group instruction | |
| Library study area | Durable fixed study seating for quiet individual reading and assignment work | |
| Training room deployment | Individual workstations for short-term training sessions and exam settings | |
| Student dormitory common area | Compact study unit for shared dormitory spaces with limited floor area | |
| Community education facility | Heavy-duty seating for adult education and community class use | |
| 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 | Furniture for educational institutions, safety and strength requirements for desks and chairs | |
|---|---|---|
| EN 1729-2:2012 | Educational furniture, test methods for strength, durability and stability of seating and tables | |
| EN 71-3:2019 | Safety of toys, migration of certain elements, applicable for furniture used by young children |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs, applicable for chair static and dynamic load testing reference | |
|---|---|---|
| ANSI/BIFMA X5.5-2021 | Desk products, applicable for desk surface load and stability testing reference |
Standards applicable to China-market projects
| GB/T 3976-2014 | Functional size requirements for school desks and chairs, applicable for K-12 classroom furniture | |
|---|---|---|
| GB 28007-2011 | General safety requirements for children's furniture, applicable for sharp edge and structural safety | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable for panel material emissions | |
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable for steel frame construction quality |
This product must meet the following technical requirements: 1. GB/T 3976-2014: Functional size requirements for school desks and chairs, applicable for K-12 classroom furniture; 2. GB 28007-2011: General safety requirements for children's furniture, applicable for sharp edge and structural safety; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable for panel material emissions; 4. GB/T 3324-2017: General technical requirements for metal furniture, applicable for steel frame construction quality; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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