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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W×D×H) | 660 x 660 x 1055 mm | |
|---|---|---|
| Seat width | 495 mm | |
| Seat depth | 480 mm | |
| Backrest width | 415 mm | |
| Backrest height | 545 mm | |
| Seat cushion thickness | 60 mm | |
| Maximum seat height (floor to seat top) | 545 mm | |
| Minimum seat height (floor to seat top) | 445 mm | |
| Armrest height above seat | 205 mm | |
| Five-star base diameter | 710 mm | |
| Caster diameter | 60 mm | |
| Armrest pad width | 70 mm | |
| Knee clearance under front seat edge | 160 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 125 kg | |
|---|---|---|
| Net product weight | 13 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Mesh back static load rating | 68 kg | |
| Gas lift stroke length | 100 mm | |
| Warranty period for structural parts | 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 | Tensioned breathable polyester mesh | |
|---|---|---|
| Back support frame | Glass-filled nylon with grey matte finish | |
| Seat fill material | High-density fire-retardant polyurethane foam | |
| Seat upholstery | Woven polyester fabric over foam pad | |
| Armrest structure | Grey nylon support frame with padded PU top surface | |
| Five-star base | Reinforced injection-molded grey nylon | |
| Height adjustment gas lift | Carbon steel Class 3 pneumatic cylinder | |
| Seat height lever | Reinforced nylon with black finish | |
| Caster material | Black polyurethane dual-wheel casters | |
| Seat tilt mechanism plate | 2.5mm thick stamped steel | |
| Back lumbar support zones | Integrated segmented mesh tension panels | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 100mm vertical travel via under-seat side lever, locks at any height | |
|---|---|---|
| 360-degree swivel function | Full rotation around central gas lift axis for multi-directional access | |
| Fixed-height armrest support | Rigid non-adjustable armrests with padded tops for consistent forearm support | |
| Five-point caster mobility | Smooth rolling on hard/soft floors, evenly distributed load across five contact points | |
| Lumbar support design | Contoured segmented mesh zones provide passive lower back support during upright sitting | |
| Upright tilt lock function | Locks backrest in vertical position for focused task work | |
| Tilt tension adjustment | Knob under seat adjusts backrest tilt resistance to match user weight | |
| Waterfall seat edge design | Curved front seat edge reduces leg pressure for prolonged sitting | |
| 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
| Home office workstation use | Sized for compact home desks, fits 600mm deep desk layouts | |
|---|---|---|
| Open office task seating | Durable construction for daily 8-hour commercial office use | |
| Conference room seating | Neutral grey finish matches standard office decor for meeting rooms | |
| Student study desk use | Adjustable height fits teen to adult users for long study sessions | |
| Shared co-working space deployment | Rolling casters allow easy repositioning between workstations | |
| 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 standard | EN 1335:2020 | |
|---|---|---|
| Office furniture seating strength durability | EN 1335:2009 | |
| Upholstered furniture fire resistance | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster and base performance standard | ANSI/BIFMA X2017Clauses 11 & 17 | |
| Caster rolling durability rating | 40000 cycles |
Standards applicable to China-market projects
| Office chair structural safety standard | GB/T 3326 | |
|---|---|---|
| Formaldehyde emission limit | GB 18584 | |
| Furniture mechanical durability seating | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Office chair structural safety standard: GB/T 3326; 2. Formaldehyde emission limit: GB 18584; 3. Furniture mechanical durability seating: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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