| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 660 x 1220 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 user weight capacity | 136 kg | |
|---|---|---|
| Net product weight | 16 kg | |
| Gas lift height adjustment stroke | 100 mm | |
| Caster rolling durability rating | 40000 cycles | |
| Recommended daily usage duration | 8 hours | |
| Warranty period | 3 years | |
| Available color options | 1 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable black polyester mesh | |
|---|---|---|
| Seat cushion core | 40 mm high-density molded polyurethane foam | |
| Seat upholstery | Black wear-resistant woven fabric | |
| Frame components | Injection-molded black glass-fiber reinforced nylon | |
| Five-star base | Black nylon five-prong base | |
| Gas lift cylinder | Chromed steel Class 3 gas lift | |
| Casters | 50 mm diameter black polyurethane twin-wheel casters | |
| Tilt mechanism | 2.5 mm thick steel plate synchro-tilt mechanism | |
| Seam stitch pitch | 8 stitches per inch | |
| Headrest padding | 20 mm thick polyurethane foam padded mesh headrest | |
| 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 | Pneumatic height adjustment via right-hand lever, 100 mm stroke, lock at any position | |
|---|---|---|
| Swivel function | 360-degree unrestricted rotation around central gas lift axis | |
| Backrest tilt function | Backrest tilts 15 degrees rearward with single-position upright lock | |
| Headrest adjustment | Up/down height adjustment and angle tilt for neck support | |
| Mobility function | Smooth rolling on hard floors and low-pile carpet via dual-wheel PU casters | |
| Lumbar support | Built-in curved lumbar support zone integrated into lower mesh back | |
| Armrest support | Fixed curved loop armrests provide forearm support during typing | |
| Weight balance tension control | Tilt tension adjustment knob under seat tunes recline resistance to 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
| Open office workstations | Suitable for 8-hour daily task use at standard height desks, with breathable mesh for all-day comfort | |
|---|---|---|
| Home office setups | Compact 660 mm footprint fits small home workspaces without occupying excess floor area | |
| Conference room seating | Neutral black finish and professional design suit formal meeting spaces and boardrooms | |
| Coworking spaces | Durable construction and adjustable height fit diverse user populations in shared work environments | |
| Training room applications | Rolling casters and swivel function allow easy repositioning during group training sessions | |
| 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 reference | EN 1335:2020 | |
|---|---|---|
| Caster durability reference | EN 12529:2021 |
US and Canada office-furniture standards
| Task chair durability reference | ANSI/BIFMA X2017 |
|---|
Standards applicable to China-market projects
| Static load test reference | GB/T 10357.3 | |
|---|---|---|
| Flammability reference | GB 20286 |
This product must meet the following technical requirements: 1. Static load test reference: GB/T 10357.3; 2. Flammability reference: GB 20286; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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