| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 680 x 1310 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 | 20 kg | |
| Gas lift stroke | 100 mm | |
| Recommended daily usage duration | 8 hours | |
| Caster rolling durability | 40000 cycles | |
| Tilt mechanism static load rating | 250 kg | |
| Seat foam density | 45 kg/m³ | |
| 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 construction | Tensioned breathable polyester mesh over reinforced nylon frame | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam with fabric upholstery | |
| Frame components (back, arm supports) | Glass-fiber reinforced nylon with matte light gray finish | |
| Height adjustment gas lift | Class 3 carbon steel gas lift with black powder coating | |
| Five-star base | Reinforced nylon structural core with painted light gray finish | |
| Casters | 60mm diameter polyurethane tread with black nylon housing | |
| Armrest pads | Soft polyurethane padded top with hard nylon support arm | |
| Tilt mechanism chassis | 3mm thick cold-rolled steel with black anti-corrosion coating | |
| Headrest cushion | Padded fabric-wrapped foam with adjustable nylon bracket | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic adjustment via side lever, 85mm travel for desk height matching | |
|---|---|---|
| Backrest tilt function | Synchronized tilt with 15° recline angle, lockable in upright position | |
| Armrest adjustment | Vertical height adjustment over 80mm travel to match user elbow height | |
| Headrest adjustment | 25° angle pivot and 50mm height adjustment to support neck posture | |
| Lumbar support | Contoured built-in lumbar zone aligned to lower back curve | |
| 360-degree swivel | Full rotation around gas lift axis for multi-directional workspace access | |
| Smooth rolling mobility | Dual-wheel casters suitable for hard floors and low-pile carpet | |
| 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-plan offices | Suitable for 8-hour daily desk work with ergonomic posture support | |
|---|---|---|
| Home office workspaces | Compact footprint fits standard home desk setups for remote work | |
| Executive private offices | Professional light gray and dark gray finish matches modern office decor | |
| Co-working shared spaces | Durable construction and adjustable settings suit diverse user body types | |
| Conference meeting rooms | Swivel and tilt function supports multi-directional discussion in meetings | |
| 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 office chair safety requirement | EN 1335:2018 | |
|---|---|---|
| Office chair dimensional stability requirement | EN 1335:2020 | |
| Office furniture caster durability requirement | EN 12529:1998 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair base load requirement | ANSI/BIFMA X5.1 Test 5 |
Standards applicable to China-market projects
| Office chair safety structural requirement | GB/T 3326 | |
|---|---|---|
| Office chair durability test requirement | GB/T 10357.3 | |
| Upholstered furniture formaldehyde limit | GB 18584 |
This product must meet the following technical requirements: 1. Office chair safety structural requirement: GB/T 3326; 2. Office chair durability test requirement: GB/T 10357.3; 3. Upholstered furniture formaldehyde limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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