| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 1290 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 460 mm | |
| Seat height adjustment range | 530 mm | |
| Backrest height from seat surface | 580 mm | |
| Armrest height above seat | 180 mm | |
| Armrest height above floor | 710 mm | |
| Headrest forward protrusion | 60 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 50 mm | |
| Backrest frame width | 505 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
| Assembled net weight | 17 kg | |
|---|---|---|
| Recommended static user load capacity | 150 kg | |
| Gas lift durability rating | 120000 lift cycles | |
| Caster rolling durability | 40000 rolling cycles | |
| Seat foam density | 45 kg/m³ | |
| Back mesh abrasion resistance | 50000 Martindale cycles | |
| Tilt mechanism locking positions | 3 positions | |
| Maximum recline angle | 135 degrees | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable polyester office mesh | |
|---|---|---|
| Seat cushion core | High-density cold-cured molded foam | |
| Seat surface upholstery | Wear-resistant polyester fabric | |
| Structural back frame | Glass-fiber reinforced nylon | |
| Height adjustment gas lift | Chrome-plated steel Class 3 pneumatic cylinder | |
| Tilt mechanism plate | 2.5 mm thick stamped steel | |
| Armrest pads | Soft-touch polyurethane padding | |
| Five-star base | Reinforced black nylon | |
| Casters | Dual-wheel non-marking polyurethane | |
| Internal seat support frame | 1.5 mm thick steel tubing | |
| Seam stitch pitch | 8 mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100 mm stroke pneumatic adjustment via under-seat lever | |
|---|---|---|
| Backrest tilt function | 135degree recline with tension adjustment knob | |
| Swivel function | 360-degree full rotation on central gas lift bearing | |
| Headrest adjustment | 60 mm height adjustment plus angle tilt | |
| Armrest adjustment | 100 mm height adjustment with 4-direction position locking | |
| Lumbar support | Contoured built-in S-curve lumbar support zone | |
| Mobility function | Dual-wheel casters for smooth rolling on hard floors and low-pile carpet | |
| Tilt lock function | 3-position lockable recline for upright work or relaxed leaning | |
| 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
| Shipping volume per unit | 0.15 CBM | |
|---|---|---|
| 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
| Office workstation use | Suitable for daily 8-hour desk work in open-plan or private office settings | |
|---|---|---|
| Home office use | Ideal for remote work setups in home studies or dedicated work spaces | |
| Conference room use | Appropriate for meeting room seating with swivel and recline for collaborative work | |
| Recommended user height range | Fits users 185 cm tall | |
| Desk compatibility | Works with standard 760 mm height office desks | |
| Flooring compatibility | Non-marking casters safe for hardwood, tile, laminate and low-pile carpet | |
| 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 furniture office chair safety standard | EN 1335:2020 | |
|---|---|---|
| Office chair stability standard | EN 1335:2018 | |
| Office chair surface flammability standard | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 |
|---|
Standards applicable to China-market projects
| Office chair structural safety standard | GB/T 10357.2 | |
|---|---|---|
| Office chair durability standard | GB/T 10357.3 | |
| Upholstered furniture formaldehyde limit | GB 18584 |
This product must meet the following technical requirements: 1. Office chair structural safety standard: GB/T 10357.2; 2. Office chair durability standard: GB/T 10357.3; 3. Upholstered furniture formaldehyde limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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