| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 600 x 880 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 460 mm | |
| Seat height (lowest position) | 420 mm | |
| Seat height (highest position) | 520 mm | |
| Backrest height | 480 mm | |
| Backrest width | 420 mm | |
| Five-star base diameter | 620 mm | |
| Caster wheel diameter | 50 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest thickness | 60 mm | |
| Gas lift diameter | 50 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 | 13 kg | |
|---|---|---|
| Maximum static user weight capacity | 120 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Foam rebound rate | 40% | |
| Seat swivel rotation range | 360 degrees | |
| Caster rolling durability | 40000 cycles | |
| Gas lift cycle life | 60000 height adjustments | |
| Recommended user height range | 180 cm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back central upholstery | Dark gray smooth faux leather (PVC/PU) | |
|---|---|---|
| Side upholstery trim | Light blue smooth faux leather (PVC/PU) | |
| Internal seat support frame | 12mm thick molded plywood | |
| Internal backrest frame | 10mm thick molded plywood | |
| Five-star base | 1.5mm thick polished chrome-plated steel | |
| Pneumatic gas lift | Class 3 chromed steel cylinder | |
| Height adjustment lever | Black nylon lever | |
| Caster wheels | Dual-wheel hard floor PU casters with blue chrome accent hubs | |
| Seam stitching | 10 stitches per inch | |
| Upholstery material thickness | 1.0 mm | |
| 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
| Pneumatic seat height adjustment | 100mm vertical stroke controlled by side lever, locks at any height within range | |
|---|---|---|
| 360-degree swivel rotation | Unobstructed full rotation around central gas lift axis for flexible desk access | |
| Smooth caster mobility | Five twin-wheel casters roll freely on smooth hard tile or wood flooring, no brake mechanism | |
| Contoured seat padding | Curved waterfall front edge reduces thigh pressure for extended seated work | |
| Tapered mid-back support | Angled back shape provides lumbar contact for upright working posture | |
| Armless clearance design | No protruding armrests allows full under-desk push-in to save floor space when not in use | |
| Upholstery stain resistance | Smooth non-porous faux leather surface wipes clean with standard office cleaning agents | |
| 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
| Number of shipping cartons | 1 | |
|---|---|---|
| Shipping carton dimensions | 650 x 650 x 580 mm | |
| Gross shipping weight | 15 kg | |
| Shipping volume per unit | 0.245 CBM | |
| Assembly time | 20 minutes | |
| 20ft GP container loading quantity | 270 units | |
| 40ft HQ container loading quantity | 670 units | |
| Packaging protection | Polyethylene foam wrap, corrugated cardboard corner protectors | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Open plan office workstations | Armless compact design fits standard desk cubicles and allows close access to work surfaces | |
|---|---|---|
| Home office study spaces | Small footprint suits residential desk setups without occupying excess floor space | |
| Conference and meeting rooms | Swivel and mobility features support collaborative discussion seating | |
| Reception and guest waiting areas | Streamlined contemporary appearance provides professional visitor seating | |
| Co-working flexible spaces | Mobility and adjustable height suit shared hot-desking environments with varied user heights | |
| Small retail service counters | Armless design allows staff to turn freely between counter and customer-facing tasks | |
| 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
| Applicable standard reference 1 | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| Applicable standard reference 2 | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements | |
| Applicable standard reference 3 | EN 1335:2018 Office furniture - Office work chairs - Part 3: Test methods |
US and Canada office-furniture standards
| Applicable standard reference 1 | ANSI/BIFMA X2017Office Chairs - Tests | |
|---|---|---|
| Applicable standard reference 2 | ANSI/BIFMA X2017Clause 5 Backrest static load test | |
| Applicable standard reference 3 | ANSI/BIFMA X2017Clause 17 Caster durability test |
Standards applicable to China-market projects
| Applicable standard reference 1 | GB/T 3326Furniture - Chairs and stools - Determination of dimensions | |
|---|---|---|
| Applicable standard reference 2 | GB/T 10357.3Test of mechanical properties of furniture - Strength and durability of chairs and stools |
This product must meet the following technical requirements: 1. Applicable standard reference 1: GB/T 3326Furniture - Chairs and stools - Determination of dimensions; 2. Applicable standard reference 2: GB/T 10357.3Test of mechanical properties of furniture - Strength and durability of chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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