| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 570 x 1000 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 450 mm | |
| Seat height from floor | 450 mm | |
| Backrest width | 420 mm | |
| Backrest height above seat | 550 mm | |
| Armrest height above seat | 190 mm | |
| Armrest height from floor | 640 mm | |
| Seat cushion thickness | 60 mm | |
| Cantilever base width between legs | 470 mm | |
| Backrest lumbar support zone height | 180 mm | |
| Armrest top surface length | 100 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
| Recommended user weight capacity | 250 kg | |
|---|---|---|
| Net weight per chair | 10 kg | |
| Static seat load rating | 1360 N | |
| Seat foam density | 60 kg/m³ | |
| Foam rebound rate | 45 % | |
| Frame cantilever deflection under 100kg load | 15 mm | |
| Fabric mesh abrasion resistance | 50000 Martindale cycles | |
| Standard available color options | 3 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable polyester mesh | |
|---|---|---|
| Seat cushion padding | High-density molded polyurethane foam | |
| Seat support board | 12mm thick molded nylon composite | |
| Cantilever frame base | 2.0mm wall thickness powder-coated steel tube | |
| Frame feet glides | Non-slip injection-molded polypropylene | |
| Fixed armrests | Glass-fiber reinforced nylon with flat hard top | |
| Seat surface upholstery | Wear-resistant black woven fabric | |
| Frame surface finish | Matte black electrostatic powder coating | |
| Backrest frame | Reinforced nylon outer frame | |
| Seam stitching pitch | 3 stitches per cm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seating posture support | Upright fixed mid-back geometry for meeting/visitor use | |
|---|---|---|
| Lumbar support | Fixed curved lower mesh zone for lower back contact | |
| Stationary base design | Fixed cantilever sled base with no casters, swivel, or tilt | |
| Fixed arm support | Rigid non-adjustable armrests for stable forearm rest | |
| Floor protection | Integrated anti-slip glides prevent floor scratches and unwanted sliding | |
| Breathable back ventilation | Tensioned open mesh allows air flow for extended sitting comfort | |
| Stacking compatibility | Non-stackable fixed frame design for permanent row or table placement | |
| Assembly requirement | Knock-down assembly with bolts connecting seat/back to base | |
| 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
| Conference meeting rooms | Stationary armless? No, fixed-arm design suitable for multi-hour meeting seating | |
|---|---|---|
| Office reception/waiting areas | Professional black mesh appearance for guest seating in lobby zones | |
| Staff training rooms | Durable sled base withstands frequent use in training and educational spaces | |
| Open office visitor seating | Compact footprint fits alongside workstations for guest seating during discussions | |
| Public service hall counters | Stable fixed base suitable for high-traffic public waiting and service positions | |
| Small meeting pod configurations | Uniform dimensions allow neat row arrangement in compact meeting spaces | |
| 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 seating safety requirements | EN 1335:2018 | |
|---|---|---|
| Office furniture seating dimensional criteria | EN 1335:2020 | |
| Upholstered furniture fabric flammability | EN 1021:2014 |
US and Canada office-furniture standards
| Lounge and visitor seating durability | ANSI/BIFMA X2021 | |
|---|---|---|
| Office chair floor protection performance | ANSI/BIFMA X2021 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 35607 | |
|---|---|---|
| Upholstered furniture formaldehyde limits | GB 18584 | |
| Metal furniture surface coating requirements | GB/T 3324 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 35607; 2. Upholstered furniture formaldehyde limits: GB 18584; 3. Metal furniture surface coating requirements: GB/T 3324; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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