| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (max) | 660 x 680 x 1245 mm | |
|---|---|---|
| Backrest width | 515 mm | |
| Backrest height | 390 mm | |
| Seat width | 505 mm | |
| Seat depth | 430 mm | |
| Seat height adjustment range (max) | 555 mm | |
| Armrest height adjustment range (max) | 245 mm | |
| Armrest top height (max) | 730 mm | |
| Headrest height adjustment range (max) | 170 mm | |
| Five-star base diameter | 680 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 maximum static load capacity | 150 kg | |
|---|---|---|
| Recommended maximum user height | 190 cm | |
| Seat cushion foam thickness | 60 mm | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat cushion foam rebound rate | 55% | |
| Net weight (reference) | 26.2 kg | |
| Recline angle (max) | 130° | |
| Mesh upholstery abrasion resistance | 100000 cycles | |
| 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 woven polyester mesh | |
|---|---|---|
| Seat padding | High-density polyurethane foam | |
| Seat upholstery | Woven polyester fabric | |
| Back frame and armrest supports | Reinforced polypropylene (nylon) | |
| Armrest pads | Soft polyurethane padding | |
| Seat chassis | 2.5 mm thick explosion-proof steel plate | |
| Gas lift cylinder | Steel pneumatic cylinder | |
| Five-star base | Reinforced nylon (polyamide) | |
| Casters | 60 mm diameter polyurethane (PU) swivel casters | |
| Seam stitch pitch | 8 mm | |
| Internal seat frame | 1.2 mm thick steel plate | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift with 100 mm stroke via under-seat lever | |
|---|---|---|
| Headrest adjustment | Height-adjustable with 65 mm vertical travel | |
| Armrest adjustment | Height-adjustable with 85 mm vertical travel | |
| Backrest recline | Multi-position locking up to 130° with tension adjustment | |
| Swivel function | 360° full rotation around central gas lift axis | |
| Lumbar support | Contoured fixed ergonomic lumbar zone in mesh back | |
| Mobility | 360° swivel PU casters suitable for hard floors and low-pile carpet | |
| Tilt tension control | Adjustable resistance knob under seat to match user weight | |
| 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
| Private home office use | Suitable for 8 hour daily desk work for remote employees and students | |
|---|---|---|
| Open-plan corporate office workstations | Commercial-grade durability suitable for shared employee workstations | |
| Small business reception and meeting rooms | Professional grey finish suitable for client-facing meeting spaces | |
| 150-190 cm height users | Adjustment ranges accommodate most adult working populations | |
| Hard floor and low-pile carpet environments | Soft PU casters prevent floor scuffing and roll smoothly on standard surfaces | |
| Standing desk height adjustment pairing | 100 mm seat height adjustment matches 1200 mm height desk ranges | |
| 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 | Applicable standard for office work chairs: dimensional and safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office work chairs: mechanical stability requirements | |
| EN 1335-3:2009 | Applicable standard for office work chairs: structural durability testing methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 Test 5 | Applicable test for chair back static load up to 67 kg load |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture: desk and chair dimensional stability | |
|---|---|---|
| GB/T 10357.2-2013 | Applicable standard for furniture mechanical performance: chair back strength testing | |
| GB/T 10357.3-2013 | Applicable standard for furniture mechanical performance: chair seat and arm strength testing | |
| GB 18584-2001 | Applicable standard for indoor furniture: formaldehyde and volatile emission limits |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture: desk and chair dimensional stability; 2. GB/T 10357.2-2013: Applicable standard for furniture mechanical performance: chair back strength testing; 3. GB/T 10357.3-2013: Applicable standard for furniture mechanical performance: chair seat and arm strength testing; 4. GB 18584-2001: Applicable standard for indoor furniture: formaldehyde and volatile emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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