| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 745 x 1265 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 480 mm | |
| Seat height range (floor to seat) | 555 mm | |
| Backrest height | 530 mm | |
| Headrest width | 310 mm | |
| Adjustable headrest height | 205 mm | |
| Adjustable armrest height (above seat) | 245 mm | |
| Armrest spread width | 690 mm | |
| Five-star base diameter | 700 mm | |
| Backrest frame width | 430 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 user weight | 181 kg | |
|---|---|---|
| Net product weight | 20 kg | |
| 360-degree swivel rotation | 360° | |
| Seat foam density | 45 kg/m³ | |
| Seat foam thickness | 60 mm | |
| Backrest mesh abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Static load rating for five-star base | 1136 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support surface | Breathable woven polyester mesh | |
|---|---|---|
| Seat cushion core | Molded high-density polyurethane foam | |
| Seat upholstery | Wear-resistant polyester fabric | |
| Headrest cushion | Molded foam with fabric cover | |
| Armrest pads | Soft padded polyurethane | |
| Inner support frame | 1.5mm thick welded steel tubing | |
| Five-star base | Polished aluminum alloy | |
| Gas lift cylinder | Chrome-plated steel | |
| Casters | 60mm diameter polyurethane on nylon hubs | |
| Tilt mechanism chassis | 2.5mm thick stamped steel | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 105mm vertical stroke via Class 3 gas lift, lever-activated under seat | |
|---|---|---|
| Backrest recline function | 125° maximum tilt angle with 3-position lock | |
| Headrest adjustment | 30mm vertical height adjustment with fixed tilt | |
| 360-degree swivel function | Unrestricted full rotation around central gas lift axis | |
| Tilt tension adjustment | Knob-controlled resistance to match user body weight | |
| Lumbar support | Integrated structured mesh tension zone for mid-back support | |
| Smooth floor mobility | Dual-wheel casters roll on hard floors and low-pile carpet | |
| 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 workstations | Suitable for 8-hour daily seated work with ergonomic back and lumbar support | |
|---|---|---|
| Home office setups | Fits standard 760 mm height desks for remote work and study | |
| Executive private offices | Professional appearance with adjustable features for senior staff use | |
| Conference meeting rooms | Swivel and recline functions support extended meeting use | |
| Shared hot-desking spaces | Adjustable height and armrests suit a wide range of user body types | |
| Call center seating | Durable construction and breathable mesh support long shift use | |
| 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
| Office chair safety recommendation | EN 1335:2020 | |
|---|---|---|
| Office chair strength/durability recommendation | EN 1335:2018 | |
| Office chair stability recommendation | EN 1335:2009 |
US and Canada office-furniture standards
| Office chair durability recommendation | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster performance recommendation | ANSI/BIFMA X2019 |
Standards applicable to China-market projects
| Office chair strength and durability recommendation | GB/T 10357.3 | |
|---|---|---|
| Formaldehyde emission recommendation | GB 18584 | |
| Office chair safety recommendation | GB 28007 |
This product must meet the following technical requirements: 1. Office chair strength and durability recommendation: GB/T 10357.3; 2. Formaldehyde emission recommendation: GB 18584; 3. Office chair safety recommendation: GB 28007; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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