| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 660 x 1055 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 | 150 kg | |
|---|---|---|
| Net product weight | 12 kg | |
| Gas lift height adjustment stroke | 100 mm | |
| Seat foam density | 45 kg/m³ | |
| Back mesh tensile strength | 180 N/5cm | |
| Chair swivel rotation range | 360 degrees | |
| Seam stitch pitch | 8 mm | |
| Caster rolling durability | 40000 cycles | |
| 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 blue woven polyester mesh | |
|---|---|---|
| Backrest frame | Light grey reinforced polypropylene | |
| Seat cushion upholstery | Dark grey woven fabric | |
| Seat cushion core | High-density molded polyurethane foam | |
| Armrests | Fixed-height flip-up light grey polypropylene | |
| Five-star base | White reinforced nylon | |
| Gas lift | Black powder-coated steel | |
| Casters | Black dual-wheel polyurethane | |
| Seat mechanism | Black steel tilt-lock chassis | |
| Internal seat support plate | 1.8mm thick cold-rolled steel | |
| 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 side lever | |
|---|---|---|
| Backrest tilt function | Synchro-tilt mechanism with tension adjustment | |
| Swivel function | 360-degree frictionless swivel | |
| Flip-up armrests | 90-degree upward folding armrests | |
| Lumbar support | Integrated contoured mesh lumbar zone | |
| Caster mobility | Dual-wheel swivel casters on all 5 base points | |
| Tilt tension control | Rotary tension knob under seat | |
| 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-plan office workstations | Mid-back ergonomic support for 8 hour daily task work at standard desks | |
|---|---|---|
| Home office spaces | Compact footprint fits small residential work areas without excess bulk | |
| Conference meeting rooms | 360-degree swivel and neutral design suited for collaborative meeting spaces | |
| Shared hot-desking areas | Durable construction and flip-up armrests accommodate wide range of user heights | |
| Study and student desks | Adjustable height fits growing users and standard study desk dimensions | |
| 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 safety requirements | EN 1335:2020 | |
|---|---|---|
| Office chair caster performance | EN 12528:2000 | |
| Furniture fire resistance | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair durability testing | ANSI/BIFMA X2017Clause 11 | |
| Office chair stability testing | ANSI/BIFMA X2017Clause 7 |
Standards applicable to China-market projects
| Office chair structural safety | GB/T 10357.2 | |
|---|---|---|
| Office chair strength and durability | GB/T 10357.3 | |
| Furniture hazardous material limits | GB 18584 |
This product must meet the following technical requirements: 1. Office chair structural safety: GB/T 10357.2; 2. Office chair strength and durability: GB/T 10357.3; 3. Furniture hazardous material limits: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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