| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 630 x 620 x 1050mm | |
|---|---|---|
| Seat width | 490 mm | |
| Seat depth | 470 mm | |
| Seat height range (floor to seat top) | 520mm | |
| Backrest height (seat top to back top) | 500 mm | |
| Backrest width | 460 mm | |
| Fixed armrest height (seat to arm top) | 220 mm | |
| Five-star base diameter | 640 mm | |
| Caster diameter | 50 mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
Net weight / load capacity / users / durability
| Net weight range | 15kg | |
|---|---|---|
| Recommended static user load | ≤120 kg | |
| Recommended daily usage duration | ≤8 hours | |
| Seat foam density | 45kg/m³ | |
| Seat foam thickness | 60 mm | |
| Mesh back abrasion resistance (Martindale) reference | ≥30,000 cycles | |
| Seat upholstery abrasion resistance (Martindale) reference | ≥50,000 cycles | |
| Gas lift cycle life reference | ≥100,000 height adjustment cycles | |
| Seat Foam Density / Rebound Reference | 45kg/m³ / 65% | |
| Back Foam Density Reference | 38kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest surface | Breathable woven polyester mesh | |
|---|---|---|
| Backrest frame | Injection-molded black polypropylene | |
| Seat cushion core | High-resilience cold-cured polyurethane foam | |
| Seat upholstery | Woven black polyester fabric | |
| Armrests | Fixed T-shaped injection-molded black polypropylene | |
| Seat mechanism plate | 2.5mm thick stamped steel with black powder coating | |
| Five-star base | Glass-fiber reinforced injection-molded black nylon | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift | |
| Casters | Black polyurethane dual-wheel casters | |
| Seam stitch pitch | 8 stitches per inch | |
| Seat Internal Support Board Thickness | 14mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation via central swivel joint between mechanism and gas lift | |
|---|---|---|
| Seat height adjustment | 100mm vertical stroke via side paddle lever, locks at any height in 520mm range | |
| Synchro tilt mechanism | 12° maximum backward recline tilt with 1:2 seat-to-back ratio, tension adjustable via rear knob, 1 lock position in upright mode | |
| Fixed arm support | Non-adjustable fixed height T-arms, provides static forearm support at seated work position | |
| Caster mobility | Dual-wheel casters roll freely on hard floors and low-pile carpets, no brake function visible | |
| Lumbar support | Static contoured mesh lumbar zone integrated into mid-back frame, no adjustable lumbar pad observed | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Number of packages | 1 carton | |
|---|---|---|
| Reference carton dimensions (L x W x H) | 660 x 600 x 560 mm | |
| Reference gross weight | 18kg | |
| Reference carton volume (CBM) | 0.22 CBM | |
| Assembly time | 15minutes per chair | |
| 20ft GP container loading quantity | 350 units | |
| 40ft HQ container loading quantity | 830 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm |
Recommended spaces / users / usage modes
| Open plan office workstations | Suitable for individual task work at standard 760mm height desks, provides basic ergonomic support for daily office tasks | |
|---|---|---|
| Home office setups | Compact footprint fits small home workspaces, adjustable height accommodates adult users at standard desks | |
| Conference/meeting rooms | Swivel and tilt function supports short to medium duration meetings, consistent black finish matches commercial office interiors | |
| Call center/operations floors | Durable construction supports 8-hour shift use, breathable mesh back reduces heat buildup during extended seated work | |
| Temporary staff/visitor seating | Simple, reliable mechanism with low maintenance requirements, suitable for multi-user shared workpoints | |
| Recommended Matching Desk Size | 2.4m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
European market access and chemical requirements
| Applicable EN 1335-1:2000 | Office furniture - Office work chairs - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| Applicable EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements | |
| Applicable EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods |
US and Canada office-furniture standards
| Applicable ANSI/BIFMA X5.1-2017 | Office Chairs - Tests |
|---|
Standards applicable to China-market projects
| Applicable GB/T 3326-2016 | Furniture - Chairs and stools for office use - Determination of dimensions and tolerance | |
|---|---|---|
| Applicable GB/T 10357.2-2013 | Test of mechanical properties of furniture - Strength and durability of chair seats and backs | |
| Applicable GB/T 10357.3-2013 | Test of mechanical properties of furniture - Strength and durability of chair backrests | |
| Applicable GB/T 27717-2011 | Office furniture - Office chairs |
This product must meet the following technical requirements: 1. Applicable GB/T 3326-2016: Furniture - Chairs and stools for office use - Determination of dimensions and tolerance; 2. Applicable GB/T 10357.2-2013: Test of mechanical properties of furniture - Strength and durability of chair seats and backs; 3. Applicable GB/T 10357.3-2013: Test of mechanical properties of furniture - Strength and durability of chair backrests; 4. Applicable GB/T 27717-2011: Office furniture - Office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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