| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 590 x 680 x 1180 mm | |
|---|---|---|
| Headrest width | 460 mm | |
| Headrest thickness (profile) | 70 mm | |
| Backrest height (excluding headrest) | 570 mm | |
| Seat width | 510 mm | |
| Seat depth | 440 mm | |
| Seat height adjustment range (max) | 510 mm | |
| Armrest top height from floor (max) | 700 mm | |
| Armrest vertical clearance above seat | 180 mm | |
| Five-star base diameter | 680 mm | |
| Backrest frame width | 510 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 | |
|---|---|---|
| Five-star base static load rating | 1000 kg | |
| Net weight (chair only) | 16 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Back mesh abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Gas lift stroke | 100 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Headrest padding and cover | Curved mesh-covered foam pad | |
|---|---|---|
| Backrest construction | Breathable woven mesh stretched over nylon PA+GF frame | |
| Seat cushion core | High-density molded polyurethane foam | |
| Seat surface upholstery | Breathable mesh fabric over foam | |
| Armrest structure | Fixed loop PP/nylon frame with integrated padded top | |
| Central gas lift cylinder | Class 3 black steel gas lift with 50mm tube diameter | |
| Five-star base | Glass-fiber reinforced nylon five-prong base, 2.5mm wall thickness | |
| Casters | 60mm diameter dual-wheel PU soft casters | |
| Under-seat mechanism | 3mm steel plate tilt and height adjustment mechanism | |
| Seat stitch pitch | 8 stitches per inch | |
| 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 under-seat lever, 100mm total travel | |
|---|---|---|
| Back tilt function | Synchronized tilt with tension adjustment, 15° maximum recline angle | |
| Swivel function | 360° full rotation around central gas lift axis | |
| Headrest adjustment | Vertical height and angle adjustment via side mounting bracket | |
| Mobility function | Smooth rolling on hard floors and low-pile carpet via five dual-wheel casters | |
| Lumbar support | Integrated contoured lumbar zone molded into mesh back frame | |
| Tilt lock function | Upright position lock for stable task work | |
| 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
| Corporate open office workstations | Fits standard 760 mm desk height, supports 8-hour seated desk work | |
|---|---|---|
| Home office and study spaces | Compact 680mm depth footprint fits small home work areas without excess space use | |
| Conference and meeting rooms | Neutral gray finish and swivel function suit collaborative meeting table seating | |
| Shared co-working spaces | Durable mesh construction and smooth casters support frequent multi-user daily use | |
| Employee task seating | Adjustable height and lumbar support suits a wide range of user body sizes | |
| 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 1335:2000, applies to dimensional and structural performance requirements | |
|---|---|---|
| Office chair stability standard | EN 1335:2009, applies to static and dynamic stability testing | |
| Office chair durability standard | EN 1335:2009, applies to strength and cyclic fatigue testing |
US and Canada office-furniture standards
| General office chair standard | ANSI/BIFMA X2017applies to safety, durability and structural performance | |
|---|---|---|
| Caster performance standard | ANSI/BIFMA X2017Clause 12, applies to caster rolling durability and load | |
| Gas lift performance standard | ANSI/BIFMA X2017Clause 8, applies to gas lift cycle and load testing |
Standards applicable to China-market projects
| General office chair safety requirement | GB/T 3326applies to dimensional and structural stability testing | |
|---|---|---|
| Upholstered furniture durability requirement | GB/T 27717applies to seat, back and armrest cyclic load testing | |
| Office furniture environmental requirement | GB 18584applies to formaldehyde and heavy metal emission limits |
This product must meet the following technical requirements: 1. General office chair safety requirement: GB/T 3326applies to dimensional and structural stability testing; 2. Upholstered furniture durability requirement: GB/T 27717applies to seat, back and armrest cyclic load testing; 3. Office furniture environmental requirement: GB 18584applies to formaldehyde and heavy metal emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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