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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 650 x 680 x 1390 mm | |
|---|---|---|
| Adjustable seat height | 560 mm | |
| Seat cushion dimensions (W x D) | 510 x 490 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest height (seat to top of upper back) | 760 mm | |
| Headrest dimensions (W x H) | 310 x 200 mm | |
| Five-star base wheel span diameter | 720 mm | |
| Fixed armrest height above seat | 220 mm | |
| Armrest pad dimensions (W x L) | 80 x 250 mm | |
| Caster diameter | 60 mm | |
| Lumbar support zone height | 220 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net chair weight | 18 kg | |
|---|---|---|
| Maximum recommended user weight | 136 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Back mesh abrasion resistance | 60000 Martindale cycles | |
| Gas lift static load rating | 150 kg | |
| Caster rolling durability | 100000 cycles | |
| Product warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest frame | PA+30% glass fiber reinforced nylon | |
|---|---|---|
| Backrest upholstery | Breathable dual-layer polyester mesh | |
| Seat support core | 12 mm thick plywood internal board | |
| Seat cushion padding | High-density cold-cured molded polyurethane foam | |
| Seat upholstery | Woven polyester fabric with breathable lamination | |
| Armrest structure | Fixed light gray PP support post with PU padded top | |
| Five-star base | Light gray reinforced nylon (PA) | |
| Gas lift column | SGS-certified Class 3 steel gas spring | |
| Casters | Mute PU soft-wheel casters with black/gray housing | |
| Mechanism chassis | 2.5 mm thick stamped steel tilt plate | |
| Headrest frame | PA plastic with padded mesh support | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 130 mm vertical travel via side lever, 560 mm seat height range | |
|---|---|---|
| Backrest tilt function | 30° recline from upright position with single-position upright lock | |
| Tilt tension adjustment | Rotating knob under seat adjusts recline resistance for user weight | |
| Headrest adjustment | 50 mm height adjustment and 25° angle tilt | |
| 360° swivel rotation | Full 360-degree rotation around central gas lift column | |
| Smooth rolling mobility | Five dual-wheel casters enable movement on hard and carpet floors | |
| Zoned lumbar support | Curved segmented lower mesh section provides passive lumbar contouring | |
| Seam construction | 8 stitches per inch seam pitch on seat fabric | |
| 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
| Open-plan office workstation use | Suitable for 8-hour daily desk work for office employees | |
|---|---|---|
| Home office workspace | Neutral light gray color scheme matches modern home interior decor | |
| Executive private office use | High-back design provides professional appearance and full back support | |
| Co-working shared workspace | Durable commercial-grade components withstand frequent multi-user use | |
| Conference room seating | 360 swivel and moderate recline supports long meeting sessions | |
| Height-adjustable desk compatibility | 560mm maximum seat height pairs with sit-stand desk height 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 | Applies to office chair dimensional, safety and strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office work chair mechanical safety performance requirements | |
| EN 1335-3:2009 | Applies to office chair stability and structural durability testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance requirements | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to load rating for heavy-duty office seating applications | |
| Five-star base static load capacity | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to desk chair dimensional measurement and tolerance requirements | |
|---|---|---|
| GB/T 10357.2-2013 | Applies to office chair mechanical stability performance testing | |
| GB/T 10357.3-2013 | Applies to office chair strength and durability performance testing | |
| GB 20211-2006 | Applies to flammability requirements for upholstered office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to desk chair dimensional measurement and tolerance requirements; 2. GB/T 10357.2-2013: Applies to office chair mechanical stability performance testing; 3. GB/T 10357.3-2013: Applies to office chair strength and durability performance testing; 4. GB 20211-2006: Applies to flammability requirements for upholstered office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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