| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 610W x 630D x 980H mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat dimensions | 480W x 450D mm | |
| Seat cushion thickness | 60 mm | |
| Backrest dimensions | 470W x 520H mm | |
| Lumbar support protrusion | 30 mm | |
| Armrest height above seat | 220 mm | |
| Armrest pad dimensions | 230L x 50W mm | |
| Sled base footprint | 520W x 560D mm | |
| Frame tube diameter | 25 mm | |
| Under-seat knee clearance height | 430 mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
Net weight / load capacity / users / durability
| Net weight range | 10.5kg | |
|---|---|---|
| Recommended static load capacity | 135 kg | |
| Cantilever frame tilt flex range | 12 degrees | |
| Fabric abrasion resistance reference | ≥30,000 Martindale cycles | |
| Seat foam density reference | 50kg/m³ high resilience foam | |
| Back mesh tensile strength reference | ≥200 N/50mm | |
| Floor glide load rating per foot | ≥40 kg static | |
| Recommended maximum static occupant load | 135 kg | |
| Cantilever frame controlled flex range | 12 degrees | |
| Seat fabric abrasion resistance (minimum specification) | ≥30,000 Martindale cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support panel | Breathable grey polyester mesh | |
|---|---|---|
| Seat upholstery | Woven grey fabric over padded foam | |
| Seat internal support | 12mm thick molded plywood seat pan | |
| Frame and sled base | 1.5mm thick chrome-plated cold-rolled steel tubing | |
| Armrest pads | Light grey injection-molded PP plastic with smooth matte finish | |
| Floor glides | Injection-molded PA nylon non-marking glides | |
| Lumbar support zone | Tensioned contoured mesh panel integrated into backrest | |
| Frame connection hardware | Zinc-plated steel bolts and rivets | |
| Backrest load-bearing panel | Tensioned breathable grey polyester mesh, stretched over contoured steel back frame with integrated lumbar curvature | |
| Seat cushion core | 50kg/m³ high-resilience polyurethane foam with contoured waterfall front edge | |
| Seat internal support pan | 12mm thick molded multi-ply plywood, coated with anti-corrosion primer, attached to frame with steel brackets | |
| Cantilever frame and sled base | 1.5mm wall thickness cold-rolled steel tubing, polished chrome plated to 0.8μm minimum plating thickness for corrosion resistance |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed-position conference/guest seating with no swivel, height adjustment, or casters | |
|---|---|---|
| Back support function | Built-in contoured lumbar support via tensioned mesh curvature | |
| Frame flex function | Controlled cantilever flex for gentle recline when leaning back, automatic return to upright position | |
| Armrest function | Fixed integrated armrests for forearm support during seated meetings, rigid connection to steel frame | |
| Floor protection function | Non-marking nylon glides to prevent scratches on hard flooring, no carpet-specific pins | |
| Ventilation function | Open mesh backrest allows continuous air flow to reduce heat buildup during long meetings | |
| Stacking compatibility note | Non-stackable design | |
| Core seating function | Fixed-position conference/guest seating with no swivel, height adjustment, or casters, configured for static meeting use | |
| Lumbar support function | Passive contoured lumbar support via tensioned mesh curvature at the lower back zone, providing constant contact without adjustable mechanisms | |
| Recline function | Controlled cantilever flex delivering 12 degrees of gentle rearward recline when a user leans back, with automatic spring return to upright position when unloaded | |
| Ergonomic edge function | Waterfall-shaped rounded front seat edge reducing pressure point concentration on the back of user thighs to improve circulation during seated use | |
| Stacking capability | Non-stackable design, with fixed armrest geometry and continuous sled base preventing vertical nesting for storage |
Verified carton / gross weight / assembly / loading data
| Packaging carton count | 1 unit per carton | |
|---|---|---|
| Reference carton dimensions | 650 x 420 x 670 mm | |
| Reference gross weight per carton | 13kg | |
| Reference CBM per unit | 0.183 m³ | |
| Assembly time | 15minutes per unit | |
| 20GP container loading estimate | 330 units | |
| 40HQ container loading estimate | 790 units | |
| Packaging configuration | 1 unit per carton, semi-knocked down (back/seat assembly separated from sled base) for reduced shipping volume | |
| Reference cubic volume per unit | 0.183 m³ | |
| On-site assembly time | 15minutes per unit |
Recommended spaces / users / usage modes
| Conference room seating | Suitable for meeting room and boardroom use around standard 750mm height conference tables | |
|---|---|---|
| Guest/visitor seating | Suitable for reception areas, visitor waiting zones, and executive office guest seating | |
| Open office workstation backup seating | Suitable for temporary seating at open plan workstations for collaborators or short meetings | |
| Hard floor surfaces | Recommended for tile, wood, laminate, and vinyl flooring due to non-marking nylon glides | |
| Recommended service environment | Indoor commercial office environments with temperature 30°C and relative humidity 70% | |
| Seating duration recommendation | Optimized for 4 hour continuous sitting typical of meetings and visitor use | |
| Reception/visitor seating | Suitable for front-of-house reception areas, visitor waiting zones, and executive office guest seating | |
| Open office collaboration seating | Suitable for temporary side seating at open plan workstations for collaborating colleagues or short ad-hoc meetings |
European market access and chemical requirements
| EN 1335-1:2020 | Office furniture - Office work chair - Part 1: Dimensions, applicable for verifying ergonomic seat, backrest and armrest dimensions | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chair - Part 2: Safety requirements, applicable for structural safety, stability and strength verification | |
| EN 1335-3:2009 | Office furniture - Office work chair - Part 3: Test methods, applicable for standardized durability and load testing of fixed base chairs |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General Purpose Office Chairs standard, applicable for static load, back strength and stability testing of armless and armed fixed-base chairs |
|---|
Standards applicable to China-market projects
| GB/T 35607-2017 | Green product assessment standard for furniture, applicable for formaldehyde and harmful substance limits for seat materials | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture mechanical performance test for chairs and stools, applicable for static load, impact and fatigue testing of chair frame | |
| GB 28007-2011 | General technical requirements for children's furniture (if deployed in public/educational spaces), applicable for edge radius and anti-pinch requirements |
This product must meet the following technical requirements: 1. GB/T 35607-2017: Green product assessment standard for furniture, applicable for formaldehyde and harmful substance limits for seat materials; 2. GB/T 10357.3-2013: Furniture mechanical performance test for chairs and stools, applicable for static load, impact and fatigue testing of chair frame; 3. GB 28007-2011: General technical requirements for children's furniture (if deployed in public/educational spaces), applicable for edge radius and anti-pinch requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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