| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 700 x 1295 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 500 mm | |
| Seat height adjustment range | 520 mm | |
| Backrest height | 720 mm | |
| Headrest dimensions | 320 x 200 mm | |
| Armrest height adjustment range | 100 mm above seat | |
| Five-star base diameter | 700 mm | |
| Retracted footrest depth extension | 0 mm (stowed under seat) | |
| Extended footrest length | 280 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest mesh tension zone height | 520 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 static load capacity | 150 kg | |
|---|---|---|
| Net weight reference | 20 kg | |
| Recline angle range lock positions | 4 positions, up to 135 degrees from upright | |
| Seat height adjustment stroke | 100 mm | |
| Caster rolling durability | 100000 cycles | |
| Gas lift vertical load rating | 150 kg | |
| Mesh abrasion resistance | 50000 Martindale cycles | |
| Seat foam density | 60 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Standard warranty period | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Grey breathable polyester mesh | |
|---|---|---|
| Seat upholstery | Grey breathable mesh over high-density molded foam | |
| Back frame | PA66 nylon with 30% fiberglass reinforcement | |
| Armrest pads | Soft molded PU surface over rigid support | |
| Armrest supports | Silver-painted aluminum alloy | |
| Five-star base | Polished silver aluminum alloy | |
| Casters | PU tread with nylon hub, black accent ring | |
| Gas lift cylinder | Chrome-plated Class 3 steel | |
| Tilt mechanism chassis | 3mm thick stamped steel | |
| Footrest surface | Matching grey mesh over padded support | |
| Seam stitch pitch | 8 stitches per inch | |
| Frame finish | Matte silver powder coating on metal components |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift and swivel mechanism | |
|---|---|---|
| Seat height adjustment | Pneumatic lift controlled by side lever, 100mm travel | |
| Backrest recline and lock | 4-position locking up to 135 degrees, adjustable tilt tension | |
| Retractable under-seat footrest | Slides and folds out from front seat base for leg support | |
| Adjustable headrest | Height adjustment plus 45-degree angle tilt | |
| 2D adjustable lumbar support | Height and depth adjustment to fit natural lower back curve | |
| Height-adjustable armrests | 100mm vertical travel with soft PU pads | |
| Smooth rolling casters | 360-degree swivel PU wheels suitable for hard floors and low-pile carpet | |
| Synchronized tilt mechanism | Seat and backrest tilt in coordinated ratio to maintain posture | |
| Flip-up capability not present | Armrests remain fixed in horizontal position at adjusted height | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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
| Executive office workspace | Provides multi-position ergonomic support for daily 8+ hour desk work | |
|---|---|---|
| Home office study | Compact footprint and modern grey finish match residential workspaces | |
| Open plan workstation | Smooth rolling casters and swivel support active collaborative work | |
| Meeting and conference rooms | Adjustable features accommodate users of varying heights | |
| Gaming and hobby workstations | Recline and footrest support extended sessions for computer use | |
| Hot-desking flexible workspaces | Easy height and support adjustments suit rotating shared users | |
| 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 chairs, dimensional safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office work chairs, safety strength and durability requirements | |
| EN 1335-3:2009 | Office work chairs, test methods for safety and stability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs, performance and safety requirements | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Large occupant office chairs, optional heavy-duty performance standard | |
| Base static load capacity | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: tables and chairs, dimensional accuracy and stability requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture mechanical properties test: chairs and stools, strength and durability | |
| GB/T 10357.7-2013 | Furniture mechanical properties test: chair tilting stability test |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: tables and chairs, dimensional accuracy and stability requirements; 2. GB/T 10357.3-2013: Furniture mechanical properties test: chairs and stools, strength and durability; 3. GB/T 10357.7-2013: Furniture mechanical properties test: chair tilting stability test; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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