| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall set dimensions | 2500 mm diameter x 420 mm seat height x 760 mm total height | |
|---|---|---|
| Central table dimensions | 900 mm diameter x 760 mm height, 80 mm diameter pedestal | |
| Single curved seat module dimensions | 800 mm width x 800 mm depth x 760 mm back height | |
| Seat cushion thickness | 120 mm | |
| Low backrest thickness | 100 mm, 340 mm height above seat surface | |
| Seating surface depth per module | 650 mm | |
| Seating surface width per module | 800 mm | |
| Caster diameter | 50 mm | |
| Under-seat clearance | 20 mm | |
| Table top 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
| Total set net weight | 150 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Upholstery abrasion resistance | 50000 cycles | |
| Foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Design service life | 10 years | |
| Upholstery lightfastness grade | Grade 6 | |
| 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
| Seat and back upholstery | 1.2 mm thick red PU faux leather, stain-resistant wipe-clean surface | |
|---|---|---|
| Seat and back filling | High-density polyurethane foam, no sinuous spring base for block construction | |
| Inner seat frame | 18 mm thick engineered plywood, reinforced corner blocking for structural rigidity | |
| Outer base panel | 15 mm thick hardboard finished with matching red PU upholstery | |
| Center table top | 25 mm thick white engineered stone / painted MDF with matte finish | |
| Center table pedestal | 80 mm diameter powder-coated white steel tube, floor-fixed to center of seat ring | |
| Base mobility hardware | 50 mm diameter black nylon swivel casters, non-marking for hard flooring | |
| Module connection hardware | Heavy-duty metal interlocking clips between adjacent seat segments | |
| Seam stitching | 6 stitches per 30 mm, matching red bonded polyester thread | |
| 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
| Modular configuration | 4 curved quarter-circle segments interlock to form closed annular seating | |
|---|---|---|
| Mobility feature | Each module fitted with 4 swivel casters for easy repositioning without lifting | |
| Inward-facing seating layout | All 4 seats face central table to support face-to-face discussion | |
| Integrated table function | Fixed central round table provides shared surface for drinks, devices or materials | |
| Seating capacity | Supports 4 adult users simultaneously with dedicated personal space | |
| Cleaning suitability | Smooth non-porous PU surface allows wipe-down cleaning for public high-traffic areas | |
| Low-profile back support | Low curved backrest provides lumbar support for relaxed upright lounge posture | |
| 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
| Office waiting and reception areas | Provides clustered, collaborative seating for visitor check-in and short waits | |
|---|---|---|
| Employee break rooms and collaboration zones | Supports informal small group discussion and quick breaks | |
| Public lobby and visitor centers | Durable easy-clean upholstery withstands high daily foot traffic | |
| Exhibition and event booth seating | Mobile caster base allows easy reconfiguration for event layouts | |
| Education institution common areas | Rounded soft edges reduce injury risk for high-use student spaces | |
| Healthcare facility waiting zones | Smooth non-porous surface supports regular disinfection protocols | |
| 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 1022:2018 | Stability test standard applicable to domestic and commercial seating | |
|---|---|---|
| EN 12520:2015 | Strength, durability and safety requirements for seating furniture | |
| EN 13722:2004 | Furniture test methods for upholstered seating durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge seating durability and safety standard for public and office spaces | |
|---|---|---|
| ANSI/BIFMA X5.41-2020 | Ergonomic guidelines for public lounge seating design |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden furniture frames for general use | |
|---|---|---|
| GB 20400-2006 | Leather and PU upholstery limits for harmful substances for indoor furniture | |
| GB/T 19001-2016 | Quality management system applicable to commercial furniture manufacturing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden furniture frames for general use; 2. GB 20400-2006: Leather and PU upholstery limits for harmful substances for indoor furniture; 3. GB/T 19001-2016: Quality management system applicable to commercial furniture manufacturing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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