| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 600 x 1050 mm | |
|---|---|---|
| Seat width | 510 | |
| Seat depth | 480 | |
| Seat height range | 500 | |
| Backrest height | 580 | |
| Backrest width | 500 | |
| Armrest height from seat | 210 | |
| Armrest pad width | 60 | |
| 5-star base diameter | 660 | |
| Caster diameter | 60 | |
| Seat height maximum | 500 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 | 18 kg | |
|---|---|---|
| Recommended maximum user weight | 120 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Caster rolling durability | 100000 cycles | |
| Swivel cycle durability | 100000 cycles | |
| Upholstery abrasion resistance | 50000 cycles | |
| 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
| Seat and backrest upholstery | Black smooth bonded leather with matte finish | |
|---|---|---|
| Seat cushion core | Molded polyurethane foam padded structure | |
| Backrest internal frame | Plywood or steel inner support frame | |
| Armrest support structure | Polished die-cast aluminum arm frames with padded top surface | |
| Chair mechanism plate | Steel tilt mechanism with black powder-coated lower housing | |
| Gas lift column | Chrome-plated steel gas lift cylinder | |
| 5-star base | Polished aluminum five-leg base with ribbed upper profile | |
| Casters | Black polyurethane twin-wheel casters with chrome fork housings | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, providing 100 mm vertical travel | |
|---|---|---|
| 360-degree swivel | Full continuous 360-degree rotation around the central gas lift column | |
| Center tilt mechanism | Synchro or center-tilt recline with adjustable tension, locking in upright position | |
| Fixed armrests | Stationary armrests at fixed height and width, providing forearm support at 210 mm above the seat | |
| Mobile rolling base | Five twin-wheel casters allow smooth movement on hard and low-pile carpet surfaces | |
| Stable five-point support | Aluminum 5-star base with 660 mm diameter provides stable footprint for 120 kg rated load | |
| Padded lumbar support contour | Slightly contoured backrest shape offers passive lumbar support without active adjustment pads | |
| Gas lift stroke | 100 | |
| Tension adjustment | Tilt tension adjustable via rotating knob under seat, accommodating user weights up to 120 kg for personalized recline resistance | |
| 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
| Number of cartons | 1 | |
|---|---|---|
| Carton dimensions | 700 x 620 x 380 mm | |
| Gross weight per carton | 20 kg | |
| Volume per carton | 0.165 m³ | |
| Assembly time | 30 minutes | |
| 20 ft container load quantity | 260 units | |
| 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 |
Recommended spaces / users / usage modes
| Private executive offices | Suitable for manager and director workstations where a polished leather-look appearance and mid-back support are required | |
|---|---|---|
| Conference and meeting rooms | Appropriate for boardroom and meeting table seating, offering professional appearance and 360-degree swivel mobility | |
| Reception and visitor areas | Suitable for guest seating in premium corporate lobbies and visitor zones | |
| Home office workstations | Compatible with home desks 760 mm high, supporting remote work and study tasks | |
| Co-working shared desks | Durable commercial construction supports multi-user shared work environments and frequent repositioning | |
| Administrative staff workstations | Suitable for full-time administrative staff workstations requiring ergonomic support and professional appearance | |
| 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 1335-1:2020 | Office furniture - Office work chair - Part 1: Dimensions; applicable for verifying seat height, back height and armrest dimensional requirements | |
|---|---|---|
| EN 1335-2:2019 | Office furniture - Office work chair - Part 2: Safety requirements; applicable for structural safety and stability acceptance of this chair | |
| EN 1335-3:2019 | Office furniture - Office work chair - Part 3: Test methods; applicable for durability and strength testing protocols |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chairs - Tests for stability, strength and durability; applicable for commercial-grade procurement acceptance and performance validation | |
|---|---|---|
| ANSI/BIFMA X5.11-2020 | Office seating - Caster testing; applicable for caster rolling durability and floor protection performance verification |
Standards applicable to China-market projects
| GB/T 3326-2016 | Furniture - Chairs and stools - Determination of strength and durability of seat and back; applicable for static and cyclic load acceptance testing of this office chair | |
|---|---|---|
| GB/T 14710-2009 | Furniture - Office chair - Test methods for stability, strength and durability; applicable for type-approval and incoming inspection of this swivel chair | |
| GB 18401-2010 | National general safety technical code for textile products; applicable for upholstery fabric formaldehyde and pH acceptance if textile backing is present |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Furniture - Chairs and stools - Determination of strength and durability of seat and back; applicable for static and cyclic load acceptance testing of this office chair; 2. GB/T 14710-2009: Furniture - Office chair - Test methods for stability, strength and durability; applicable for type-approval and incoming inspection of this swivel chair; 3. GB 18401-2010: National general safety technical code for textile products; applicable for upholstery fabric formaldehyde and pH acceptance if textile backing is present; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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