| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall per 2-seat module | 1160 x 900 x 850 mm | |
|---|---|---|
| Seat center distance | 580 mm | |
| Writing surface height | 760 mm | |
| Seat height above floor | 450 mm | |
| Writing surface dimension | 585 x 300 x 25 mm | |
| Seat panel dimension | 450 x 430 x 18 mm | |
| Back panel thickness | 12 mm | |
| T-leg support dimension | 320 x 60 x 735 mm | |
| Foot plate dimension | 320 x 60 x 13 mm | |
| Anchor hole spacing | 295 mm | |
| Cross beam section | 80 x 40 x 2 mm | |
| Under-seat book net dimension | 430 x 220 x 105 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
| Per-seat static load capacity | 200 kg | |
|---|---|---|
| Seat return noise level | <30 dB | |
| Powder coating hardness | 2H | |
| Panel formaldehyde emission | 0.124 mg/m³ | |
| Net weight per seat | 28 kg | |
| Seat return mechanism cycle life | 100000 cycles | |
| Recommended occupant weight | 120 kg | |
| 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
| Writing desk panel | 25mm E1 grade MDF with beech fire-resistant laminate | |
|---|---|---|
| Seat panel | 18mm multilayer bent plywood with beech veneer finish | |
| Back panel | 12mm plywood with beech laminate and black PVC edge trim | |
| Support frame | 2mm cold-rolled square steel tube, black electrostatic powder coating | |
| T-shaped floor legs | 2mm pressed steel with 13mm thick anchor foot plates, powder coated | |
| Seat return mechanism | Steel hinge with hydraulic damping buffer, PP protective cover | |
| Divider trim | Injection-molded black PVC edge and seat divider strips | |
| Mounting hardware | M8 zinc-plated steel expansion bolts with rubber anti-slip plugs | |
| Under-seat book net | 3mm steel wire mesh, black powder coated | |
| 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
| Seat operation | Gravity-assisted tip-up seat with hydraulic slow return, no impact noise | |
|---|---|---|
| Installation method | Permanent floor anchoring via expansion bolts on T-leg foot plates | |
| Row connection | Modular units connect via steel cross beams to form continuous straight rows | |
| Writing surface use | Fixed front-mounted desk surface sized for A4 notebooks and 15-inch laptops | |
| Adjacent seat separation | Full-height vertical panel dividers between adjacent seats for personal space | |
| Under-seat storage | Wire mesh book net below writing surface for bag and stationery storage | |
| Tiered floor adaptability | Fixed leg height suitable for stepped tiered lecture hall floor installations | |
| 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
| Tiered university lecture halls | Permanent fixed installation for stepped classroom row seating | |
|---|---|---|
| Multimedia training rooms | Fixed work surfaces for long-duration training and note taking | |
| Corporate conference auditoriums | Durable fixed seating for large internal meeting spaces | |
| Exam and testing centers | Individual divided seats and fixed writing surfaces for examinations | |
| Government and institutional meeting rooms | Heavy-duty construction for frequent official event 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
| Office furniture structural strength | EN 1729:2015 | |
|---|---|---|
| Furniture surface resistance | EN 12720:2009+A1:2013 |
US and Canada office-furniture standards
| Public seating static load | ANSI/BIFMA X2015 |
|---|
Standards applicable to China-market projects
| Formaldehyde emission limit | GB 18580 | |
|---|---|---|
| Steel furniture coating limit | GB/T 3324 | |
| School furniture safety | GB/T 3976 | |
| Public seating durability | GB/T 35601 |
This product must meet the following technical requirements: 1. Formaldehyde emission limit: GB 18580; 2. Steel furniture coating limit: GB/T 3324; 3. School furniture safety: GB/T 3976; 4. Public seating durability: GB/T 35601; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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