| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 770 x 686 x 1305 mm | |
|---|---|---|
| Seat width | 521 mm | |
| Seat height range (low to high) | 681 mm | |
| Seat depth | 480 mm | |
| Backrest height | 760 mm | |
| Headrest dimensions (W x H) | 320 x 180 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Armrest height above seat (adjustable range) | 100 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 (reference) | 21 kg | |
|---|---|---|
| Maximum recommended static load | 159 kg | |
| Seat foam density | 50 kg/m³ | |
| Seat foam thickness | 60 mm | |
| Backrest mesh abrasion resistance | 50000 Martindale cycles | |
| Caster rolling durability | 100000 cycles | |
| Seam stitch pitch | 30 mm per 10 stitches | |
| Recommended user height range | 1880 mm | |
| Standard warranty period | 5 years | |
| Maximum recommended user height | 1880 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support frame | Glass-fiber reinforced nylon frame | |
|---|---|---|
| Backrest upholstery | Breathable black polyester mesh | |
| Seat support pan | 14 mm thick plywood inner panel | |
| Seat padding | High-density cold-cured molded foam | |
| Seat upholstery | Black wear-resistant woven fabric | |
| Armrest structure | PP support posts with PU soft top pads | |
| Gas lift cylinder | Chrome-plated steel class 3 gas lift | |
| Five-star base | Black reinforced nylon five-star base | |
| Caster wheels | Dual-wheel nylon with PU tread | |
| Chassis mechanism | 3 mm thick steel tilt-lock mechanism | |
| Headrest frame and padding | PP inner frame with mesh upholstery | |
| Headrest construction | PP inner frame with matching black mesh upholstery |
Adjustment / rotation / tilt / mobility / storage features
| 360° swivel rotation | Full 360-degree horizontal rotation enabled by central swivel joint | |
|---|---|---|
| Seat height adjustment | Pneumatic adjustment via right-side lever, 100 mm vertical travel | |
| Recline tilt function | Synchronized backrest recline up to 135 degrees from upright | |
| Tilt lock mechanism | 3-position lock for upright, mid-recline, full-recline positions | |
| Tilt tension adjustment | Knob under seat adjusts recline resistance to match user weight | |
| Headrest adjustment | Height and angle adjustable headrest for neck support | |
| Lumbar support adjustment | Height-adjustable built-in lumbar support for lower back alignment | |
| Mobility function | Smooth rolling on hard floors and low-pile carpet via dual casters | |
| Gas lift stroke length | 100 mm | |
| Synchronized recline function | Synchronized seat and backrest recline up to 135 degrees from upright | |
| Height-adjustable lumbar support | 60 mm vertical travel built-in lumbar support for lower back alignment | |
| Floor mobility | Smooth rolling on hard floors and low-pile carpet via dual PU casters |
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 workstations | Suitable for daily 8+ hour seated work for office staff | |
|---|---|---|
| Home office workspaces | Fits standard home desks for remote work and computer use | |
| Executive private offices | Matches professional office aesthetics for manager and executive desks | |
| Conference room seating | Appropriate for long meetings and collaborative work sessions | |
| Co-working shared spaces | Durable construction and universal adjustment suit varied users | |
| Study room work areas | Suitable for student study and home computer use for extended sessions | |
| Residential study rooms | Suitable for student study and home computer use sessions | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to office work chair dimensional and safety general requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and durability testing | |
| EN 1335-3:2009 | Applies to office chair test methods for mechanical safety |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and durability requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture chair dimensional measurement and tolerance requirements | |
|---|---|---|
| GB/T 10357.3-2015 | Applies to chair strength and durability testing for office seating | |
| GB 28007-2011 | Applies to office chair safety and stability requirements |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture chair dimensional measurement and tolerance requirements; 2. GB/T 10357.3-2015: Applies to chair strength and durability testing for office seating; 3. GB 28007-2011: Applies to office chair safety and stability requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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