| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall 4-seat back-to-back unit dimensions | 2400 x 1240 x 780 mm | |
|---|---|---|
| Single armless seat unit dimensions | 600 x 620 x 780 mm | |
| Seat height from floor | 450 mm | |
| Backrest height above seat | 330 mm | |
| Central divider/table unit dimensions | 600 x 650 x 450 mm | |
| Cylindrical support leg height | 100 mm | |
| Support leg diameter | 40 mm | |
| Backrest thickness | 100 mm | |
| Seat cushion thickness | 120 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
| Net weight per 4-seat back-to-back unit | 120 kg | |
|---|---|---|
| Total static load capacity per full unit | 500 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 65% | |
| Backrest foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 cycles | |
| Formaldehyde emission from panels | 0.014 mg/m³ | |
| Seat depth per occupant | 620 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Public-grade wear-resistant PU faux leather, anti-fouling and anti-scratch finish | |
|---|---|---|
| Seat cushion core | 45D high-resilience polyurethane foam, flame-retardant formulation | |
| Backrest cushion core | 35D high-resilience polyurethane foam, flame-retardant formulation | |
| Internal structural frame | 15mm multi-layer solid wood panel with 1.5mm welded square steel reinforcement | |
| Support legs | Powder-coated cold-rolled steel cylindrical legs with non-slip plastic foot pads | |
| Central divider unit surface | High-pressure laminate (HPL) top with upholstered side panels, impact-resistant | |
| Internal seat support board | 15mm E0 grade multi-layer plywood, formaldehyde emission compliant | |
| Seam construction | Reinforced polyester stitching, 8 stitches per inch seam pitch | |
| 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
| Modular connection system | Bolted interlocking metal brackets between units, allows layout reconfiguration | |
|---|---|---|
| Seating configuration | Back-to-back mirrored layout with 4 armless seats and 1 central divider unit | |
| Floor protection | Non-marking plastic foot caps on all legs, prevents scratches on polished stone floors | |
| Central divider function | Provides armrest support and small item placement surface between opposing seat pairs | |
| Flame-retardant performance | Upholstery and foam meet public place fire retardant standards | |
| Cleaning design | Fully wrapped upholstered surfaces with waterproof PU finish, supports wipe-down cleaning | |
| Assembly method | Knock-down construction with pre-drilled connection points, requires on-site assembly | |
| Layout expandability | Compatible with additional straight, corner or divider units to form larger waiting clusters | |
| 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
| Postal service branch lobbies | Durable, easy-to-clean design matches China Post outlet waiting area requirements | |
|---|---|---|
| Bank and financial service halls | Wear-resistant, flame-retardant construction meets bank public furniture procurement specs | |
| Government administrative service centers | Modular layout adapts to variable waiting queue sizes for public service counters | |
| Hospital outpatient waiting zones | High-load, easy-to-sanitize surfaces suit high-footfall healthcare public spaces | |
| Public transport station waiting areas | Low-back armless design maximizes seating capacity for short waiting stays | |
| Open-plan office reception zones | Neutral two-tone color scheme fits modern reception waiting space 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
| EN 13761:2002 | Applicable European standard for public waiting seating performance and stability | |
|---|---|---|
| EN 1021-1:2014 | Applicable upholstered furniture ignitability standard for cigarette source resistance | |
| EN 1021-2:2014 | Applicable upholstered furniture ignitability standard for match flame resistance |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| GB 20286-2006 | Applicable fire retardant standard for upholstered furniture in public assembly spaces | |
|---|---|---|
| GB 18584-2001 | Applicable indoor furniture formaldehyde and harmful substance emission limit standard | |
| GB/T 3324-2017 | Applicable general technical requirement standard for wooden furniture structural components |
This product must meet the following technical requirements: 1. GB 20286-2006: Applicable fire retardant standard for upholstered furniture in public assembly spaces; 2. GB 18584-2001: Applicable indoor furniture formaldehyde and harmful substance emission limit standard; 3. GB/T 3324-2017: Applicable general technical requirement standard for wooden furniture structural components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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