| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 600 x 930 mm | |
|---|---|---|
| Seat height adjustment range | 420 to 520 mm | |
| Seat width | 480 mm | |
| Seat depth | 450 mm | |
| Backrest height | 430 mm | |
| Backrest width | 460 mm | |
| Seat foam thickness | 50 mm | |
| Five-star base diameter | 600 mm | |
| Caster diameter | 50 mm | |
| Chrome gas lift outer diameter | 50 mm | |
| Minimum under-seat knee clearance | 170 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
| Product net weight | 12 kg | |
|---|---|---|
| Maximum recommended user weight | 120 kg | |
| Seat static load capacity | 150 kg | |
| Caster rolling durability | 40000 cycles | |
| Gas lift cycle durability | 100000 cycles | |
| Seat height adjustment stroke | 100 mm | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back shell | 12mm bent laminated plywood with natural light oak finish edge | |
|---|---|---|
| Seat upholstery | 1.2mm thick black matte faux leather (PU) | |
| Seat cushion foam | 40kg/m3 density high-resilience polyurethane foam, 50mm thick | |
| Backrest padding | 30mm thick 35kg/m3 density polyurethane foam | |
| Five-star base | 2mm thick polished chrome-plated steel | |
| Gas lift | Chrome-plated steel Class 3 gas lift, 50mm outer diameter | |
| Height adjustment lever | Black reinforced nylon paddle lever | |
| Casters | Black nylon twin-wheel hard-floor casters, 50mm diameter | |
| Mounting mechanism | 2.5mm thick steel tilt-locking chassis | |
| Upholstery stitching | 8 stitches per inch seam construction | |
| 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
| 360-degree swivel rotation | Full rotation around central gas lift axis for easy desk access | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical adjustment via side paddle lever to match desk height from 720mm to 760mm standard worksurfaces | |
| Fixed upright backrest position | Backrest mounted in fixed ergonomic 100-degree upright tilt angle with no recline function | |
| Smooth omnidirectional rolling | Five twin-wheel casters allow movement in all directions on hard floors and low-pile carpet | |
| Armless design clearance | No protruding armrests to allow full tuck under 600mm deep desks and tight workspaces | |
| Static seat tilt lock | Seat fixed in flat horizontal position with no forward/back tilt for stable task work | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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 620 x 530 mm | |
| Gross shipping weight | 14 kg | |
| Shipping volume per unit | 0.213 CBM | |
| Assembly time | 20 minutes | |
| 20ft GP container loading quantity | 130 units | |
| 40ft GP container loading quantity | 275 units | |
| 40ft HQ container loading quantity | 320 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Open plan office workstations | Armless design fits standard 1200mm partitioned workstations without obstructing movement between adjacent seats | |
|---|---|---|
| Home office and study spaces | Compact footprint and modern bentwood aesthetic suits residential work areas with limited floor space | |
| Meeting and conference rooms | Stackable? No, but compact armless design allows flexible arrangement around conference tables with 750mm knee clearance | |
| Reception and guest waiting areas | Slim profile and neutral black upholstery provides professional visitor seating with easy repositioning | |
| Height-adjustable standing desk setups | 100mm height adjustment range pairs with sit-stand desks to maintain ergonomic seating posture across desk height changes | |
| Recommended floor types | Suitable for hard wood, tile, laminate and low-pile carpet floors; soft floor casters recommended for high-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
| EN 1335-1:2020 | Applicable standard for office furniture - office work chairs - Part 1: Dimensions - safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office furniture - office work chairs - Part 2: Safety requirements | |
| EN 1335-3:2018 | Applicable standard for office furniture - office work chairs - Part 3: Test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 Test 17 | Applicable caster durability test requirement of 2000 cycles over obstacle course |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for furniture, tables, chairs and stools: main dimension definitions and measurement methods | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable standard for furniture mechanical performance testing: strength and durability of chairs and stools | |
| GB/T 19001-2016 | Applicable quality management system standard for supplier manufacturing process control |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for furniture, tables, chairs and stools: main dimension definitions and measurement methods; 2. GB/T 10357.3-2013: Applicable standard for furniture mechanical performance testing: strength and durability of chairs and stools; 3. GB/T 19001-2016: Applicable quality management system standard for supplier manufacturing process control; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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