| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 660 x 1230 mm | |
|---|---|---|
| Seat width | 495 mm | |
| Seat depth | 470 mm | |
| Seat height range (floor to seat top) | 545 mm | |
| Backrest total height | 705 mm | |
| Armrest height above seat | 205 mm | |
| Headrest width | 375 mm | |
| Seat foam thickness | 60 mm | |
| 5-star base diameter | 660 mm | |
| Caster diameter | 60 mm | |
| Armrest top width | 75 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 maximum user weight | 150 kg | |
|---|---|---|
| Net product weight | 18 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Applicable user height range | 190 cm | |
| Back mesh abrasion resistance | 30000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Recommended daily use duration | 8 hours | |
| 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 | Black breathable elastic polyester mesh | |
|---|---|---|
| Seat cushion upholstery | Grey woven abrasion-resistant fabric | |
| Seat cushion core | 60mm thick high-density polyurethane foam | |
| Seat support board | 12mm thick plywood inner frame | |
| Outer frame and structural components | White reinforced nylon (PP) plastic | |
| 5-star base | White molded nylon with ribbed reinforcement | |
| Casters | 60mm dual-wheel soft PU tread on nylon hub | |
| Gas lift cylinder | Class 3 steel gas lift with 100mm stroke | |
| Tilt mechanism | 2.5mm thick steel plate chassis with tension control | |
| Armrest pads | Soft PU padded tops with nylon support stems | |
| 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 | 100mm vertical travel via gas lift, controlled by under-seat lever | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central gas lift axis for multi-directional access | |
| Backrest recline function | 135-degree maximum tilt with single-position lock, adjustable tension | |
| Adjustable headrest | 2D height and angle adjustment for neck support, 50mm vertical travel | |
| Adjustable lumbar support | Segmented height-adjustable lumbar pad for lower back alignment | |
| Mobility function | Smooth rolling on 5 dual-wheel casters suitable for carpet and hard floors | |
| Tilt tension control | Adjustable resistance knob to match user weight for recline comfort | |
| 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 | Suitable for 8-hour daily employee use with full ergonomic adjustability | |
|---|---|---|
| Home office study spaces | Neutral white/black/grey colorway fits modern home interior aesthetics | |
| Conference and meeting rooms | Swivel and recline function supports extended collaborative meeting use | |
| Executive private offices | High-back design provides adequate neck and back support for senior staff | |
| Co-working space hot desks | Adjustable dimensions accommodate a wide range of user heights and 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
| EN 1335-1:2020 | Applicable standard for office chair dimensional and safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office chair mechanical strength and stability | |
| EN 1335-3:2009 | Applicable standard for office chair test methods for structural performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for general-purpose office chair performance and durability | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable standard for large-user office chair weight capacity requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for furniture dimensional accuracy for office seating | |
|---|---|---|
| GB/T 3324-2017 | Applicable standard for general technical requirements for wooden furniture components | |
| GB/T 10357.3-2013 | Applicable standard for mechanical strength and durability testing of office chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for furniture dimensional accuracy for office seating; 2. GB/T 3324-2017: Applicable standard for general technical requirements for wooden furniture components; 3. GB/T 10357.3-2013: Applicable standard for mechanical strength and durability testing of office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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