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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 630 x 790 x 790 mm | |
|---|---|---|
| Desk work surface size | 630 x 430 mm | |
| Maximum desk surface height | 790 mm | |
| Minimum desk surface height | 670 mm | |
| Undermount storage trough internal size | 450 x 305 x 150 mm | |
| Seat panel size | 400 x 380 mm | |
| Maximum seat surface height | 460 mm | |
| Minimum seat surface height | 380 mm | |
| Backrest panel size | 420 x 370 mm | |
| Frame steel tube specification | 30 x 60 x 1.2 mm oval cold-rolled tube | |
| Work surface panel thickness | 18 mm | |
| Seat/back panel thickness | 12 mm | |
| Foot cap diameter | 30 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Unit net weight | 18 kg | |
|---|---|---|
| Recommended maximum static user load | 150 kg | |
| Desk surface static load capacity | 80 kg | |
| Powder coating abrasion resistance | 2000 cycles | |
| Height adjustment positions | 5 positions | |
| Design service life | 10 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Desk top panel | 18mm E1-grade particleboard core with light oak melamine laminate, PVC edge trim | |
|---|---|---|
| Seat panel | 12mm laminated plywood core with matching light oak melamine finish, screw-fixed to frame | |
| Backrest panel | 12mm curved laminated plywood core with matching light oak melamine finish | |
| Structural frame | 1.2mm thick cold-rolled oval steel tubing, off-white electrostatic powder-coated finish | |
| Undermount storage trough | 0.8mm thick cold-rolled stamped steel, matching powder-coated finish | |
| Adjustment fasteners | Zinc-plated steel bolts and lock nuts for height position locking | |
| Frame foot caps | Wear-resistant non-slip rubber, snap-fit onto tube ends | |
| Support cross-brace | 1.0mm thick round steel tube, powder-coated to match frame | |
| Welded joints | Double-sided robotic welds at all frame tube connections, burr-free ground finish | |
| 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
| Bolt-locked height adjustment for desk surface | 5 fixed height positions between 670mm and 790mm, tool-operated bolt locking | |
|---|---|---|
| Open undermount storage trough | Front-access open steel compartment for storing textbooks, stationery and personal items under the desk | |
| Cantilever connected frame design | Single continuous C-shaped steel frame permanently connects desk and chair for stable, space-efficient classroom seating | |
| Rounded safety edges on work surfaces | All desk, seat and back panel edges trimmed with soft PVC to prevent impact injury | |
| Non-slip floor contact | Rubber foot caps on all frame base ends prevent sliding and protect floor surfaces from scratches | |
| Fixed backrest support | Curved backrest provides static lumbar support for upright seated study posture, no recline function | |
| 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
| K-12 classroom individual seating | Standard fixed connected unit for daily student use in primary and secondary school classrooms, optimized for row arrangement | |
|---|---|---|
| Training room and tutorial center seating | Durable height-adjustable unit suitable for after-school tutoring centers and vocational training spaces | |
| Library study carrel seating | Compact footprint suitable for individual study positions in school and public libraries | |
| Examination hall seating | Stable fixed-frame design prevents movement during exams, with open storage for permitted materials | |
| Temporary learning space setup | Knock-down packaging allows fast deployment for temporary classroom or community learning events | |
| Recommended user age range | Suitable for students aged 6 to 18, covering full compulsory education grade levels via height adjustment | |
| 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 standard for functional safety of educational furniture seating and desks | |
|---|---|---|
| EN 1729-2:2012 | Applicable standard for test methods and durability requirements for school furniture |
Standards applicable to China-market projects
| GB/T 3976-2014 | Applicable standard for functional sizes of school desks and chairs for students | |
|---|---|---|
| GB 18584-2001 | Applicable standard for formaldehyde emission limits for wooden furniture | |
| GB/T 3324-2017 | Applicable general technical requirement standard for wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3976-2014: Applicable standard for functional sizes of school desks and chairs for students; 2. GB 18584-2001: Applicable standard for formaldehyde emission limits for wooden furniture; 3. GB/T 3324-2017: Applicable general technical requirement standard for wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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