| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 480 x 1055 mm | |
|---|---|---|
| Seat width | 495 mm | |
| Seat depth | 480 mm | |
| Seat height range max | 545 mm | |
| Backrest width | 415 mm | |
| Backrest height | 545 mm | |
| Seat cushion thickness | 60 mm | |
| Armrest height above seat | 205 mm | |
| Five-star base diameter | 660 mm | |
| Minimum seat height | 445 mm | |
| Minimum total chair height | 955 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 | 136 kg | |
|---|---|---|
| Base static load rating | 1000 kg | |
| Net weight | 19 kg | |
| Recommended user height range max | 180 cm | |
| Seat foam density | 50 kg/m³ | |
| Caster rolling durability | 100000 cycles | |
| Standard warranty period | 5 years | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable woven polyester mesh | |
|---|---|---|
| Back frame | Reinforced black nylon polymer | |
| Seat cushion core | High-density molded polyurethane foam | |
| Seat upholstery | Wear-resistant black fabric over foam | |
| Armrests | Padded PU top with nylon support structure | |
| Five-star base | Injection-molded black PP/nylon composite | |
| Gas lift cylinder | Steel pneumatic height adjustment cylinder | |
| Casters | 60mm diameter black polyurethane dual-wheel casters | |
| Mechanism plate | 2.5mm thick stamped steel tilt/height mechanism | |
| Seat inner support | 12mm thick molded plywood seat pan | |
| 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
| Height adjustment | Pneumatic gas lift with 100mm vertical stroke, lever operated | |
|---|---|---|
| 360-degree swivel | Full rotation around central gas lift axis for multi-directional access | |
| Backrest tilt | 125-degree maximum recline with lockable upright position | |
| Lumbar support | Fixed contoured segmented lumbar zone integrated into mesh back | |
| Mobility function | Dual-wheel PU casters for smooth rolling on hard/soft floor surfaces | |
| Tilt tension adjustment | Under-seat knob to adjust recline resistance for user weight | |
| Armrest function | Fixed-height padded armrests for stable forearm support during typing | |
| 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 office workstation use | Suitable for daily 8-hour seated computer work for office staff | |
|---|---|---|
| Home office setup | Compact footprint fits standard home desk spaces for remote work | |
| Meeting room seating | Appropriate for conference room table seating for visitor or attendee use | |
| Cubicle workspace use | Swivel and mobility supports frequent reaching between desk and storage zones | |
| Student study desk use | Adjustable height fits teen to adult users for long study sessions | |
| 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 chair safety standard | EN 1335:2020 | |
|---|---|---|
| Office chair strength standard | EN 1335:2018 | |
| Office chair flammability standard | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair safety standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster durability test | ANSI/BIFMA X5.1 Clause 17 | |
| Gas lift test | ANSI/BIFMA X5.1 Clause 8 | |
| Mesh abrasion resistance | 100000 cycles |
Standards applicable to China-market projects
| Office chair safety standard | GB/T 3326 | |
|---|---|---|
| Office chair stability standard | GB/T 10357.2 | |
| Office chair strength standard | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Office chair safety standard: GB/T 3326; 2. Office chair stability standard: GB/T 10357.2; 3. Office chair strength standard: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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