| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 515 x 560 x 900 mm | |
|---|---|---|
| Seat height from floor | 455 mm | |
| Seat usable depth | 455 mm | |
| Seat front width | 515 mm | |
| Backrest width | 464 mm | |
| Backrest height above seat | 375 mm | |
| Steel frame tube diameter | 19 mm | |
| Seat foam thickness | 50 mm | |
| Floor glide diameter | 30 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
| Single chair net weight | 10 kg | |
|---|---|---|
| Recommended static user load capacity | 125 kg | |
| Mesh back breathable airflow rating | 350 L/s per m² | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45 % | |
| Floor glide compressive strength | 200 kg per glide | |
| Recommended continuous seating duration | 240 min | |
| 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
| Frame construction | 19mm diameter powder-coated steel tubular frame | |
|---|---|---|
| Backrest material | Polyester breathable tension mesh with reinforced PP edge trim | |
| Seat cushion fill | High-density polyurethane foam core | |
| Seat upholstery | Wear-resistant polyester fabric cover over foam | |
| Back support brackets | Reinforced grey PP plastic joint connectors | |
| Floor protection glides | Anti-slip injection-molded nylon foot caps | |
| Frame surface finish | Matte light grey electrostatic powder coating | |
| Seam construction | 6 stitches per 30mm reinforced stitching | |
| Upholstery fabric thickness | 0.6 mm | |
| 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
| Height adjustment | No gas lift or height adjustment mechanism, fixed 455mm seat height | |
|---|---|---|
| Swivel function | No swivel mechanism, fixed static seating position | |
| Mobility | Fixed glide feet, no casters, designed for static placement | |
| Back support | Curved fixed lumbar contour for upright seated posture | |
| Storage capability | Stackable for compact bulk storage | |
| Floor protection | Non-marking glides prevent scratching hard floor surfaces | |
| Armrest feature | No integrated armrests to maximize seating density | |
| 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
| Corporate meeting rooms | Fits standard 750mm high conference tables for group meeting seating | |
|---|---|---|
| Staff training spaces | Armless design allows flexible dense seating arrangement for training sessions | |
| Visitor reception areas | Neutral grey finish matches modern office reception decor | |
| Educational institution classrooms | Durable steel frame withstands high-frequency daily use in schools | |
| Temporary event seating | Lightweight design allows fast setup and removal for corporate events | |
| Open plan office touchdown areas | Compact footprint saves space in casual collaboration zones | |
| 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 1335-2:2018 | Office furniture - Office work chair safety requirements, applicable for fixed visitor seating | |
|---|---|---|
| EN 1022:2018 | Domestic and contract seating - Determination of stability | |
| EN 1335-3:2018 | Office furniture - Test methods for chair structural durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs - Safety and performance test standard | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Lounge and public seating - Performance requirements for visitor chairs |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden/metal furniture, applicable for structural stability | |
|---|---|---|
| GB/T 35607-2017 | Limit of harmful substances for office furniture upholstery materials | |
| GB/T 10357.3-2013 | Furniture mechanical performance test for chair seat and back strength |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden/metal furniture, applicable for structural stability; 2. GB/T 35607-2017: Limit of harmful substances for office furniture upholstery materials; 3. GB/T 10357.3-2013: Furniture mechanical performance test for chair seat and back strength; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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