| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 570 x 575 x 850 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 470 mm | |
| Seat height from floor | 470 mm | |
| Backrest width | 405 mm | |
| Backrest height | 345 mm | |
| Armrest height above seat | 220 mm | |
| Armrest total span width | 570 mm | |
| Base leg width | 445 mm | |
| Seat cushion thickness | 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
| Net weight per chair | 10 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Seat foam density | 65 kg/m³ | |
| Mesh abrasion resistance | 50000 cycles | |
| Seat foam rebound rate | 45% | |
| Frame steel tube wall thickness | 1.5 mm | |
| Warranty period | 3 years | |
| 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
| Backrest upholstery | Breathable black nylon mesh | |
|---|---|---|
| Back support frame | 30% glass-filled polypropylene | |
| Seat core | Contoured plywood inner shell | |
| Seat padding | High-density molded polyurethane foam | |
| Seat upholstery | Black breathable mesh fabric | |
| Armrests | Fixed integrated glass-filled polypropylene | |
| Leg frame | Black powder-coated steel cantilever sled | |
| Floor glides | Injection-molded polypropylene anti-tip feet | |
| 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
| Movement mechanism | Fixed non-swivel, non-reclining static structure | |
|---|---|---|
| Height adjustment | No gas lift or seat height adjustment function | |
| Mobility | Floor glides for stationary placement, no casters | |
| Stacking capability | Supports vertical stacking for compact storage | |
| Lumbar support | Curved mesh back provides passive lumbar contour | |
| Arm support | Fixed curved armrests provide stable forearm rest | |
| Floor protection | Non-marking glides prevent hard floor scratches | |
| Seam pitch | 8 mm | |
| 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 conference rooms | Fixed seating for boardrooms and meeting spaces, uniform professional appearance | |
|---|---|---|
| Office reception areas | Guest seating for waiting areas, durable for frequent visitor use | |
| Training room setups | Stackable design allows quick reconfiguration of training spaces | |
| Open plan collaborative zones | Lightweight static seating for informal team meeting points | |
| Public institution waiting areas | Durable construction for high-frequency public seating use | |
| 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
| Non-domestic seating strength and stability | EN 16139:2013 Level 2 | |
|---|---|---|
| Furniture mechanical safety general requirements | EN 1728:2012 | |
| Office chair ergonomic requirements | EN 1335:2018 |
US and Canada office-furniture standards
| Office lounge and guest seating performance | ANSI/BIFMA X2016 | |
|---|---|---|
| Office seating durability testing | ANSI/BIFMA X2017 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 10357.3 | |
|---|---|---|
| Formaldehyde emission limit | GB 18584 | |
| Upholstered furniture flame resistance | GB 20286 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 10357.3; 2. Formaldehyde emission limit: GB 18584; 3. Upholstered furniture flame resistance: GB 20286; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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