| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 680 x 1260 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
| Maximum static user weight capacity | 150 kg | |
|---|---|---|
| Net product weight | 18 kg | |
| Seat foam density | 45 kg/m³ | |
| Cushion foam thickness | 50 mm | |
| Backrest mesh tensile strength | 250 N/5cm | |
| Gas lift stroke | 100 mm | |
| Caster rolling durability | 40000 cycles | |
| Recommended daily usage 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 support mesh | Breathable polyester elastic mesh | |
|---|---|---|
| Seat cushion core | Molded high-density polyurethane foam | |
| Seat upholstery | Breathable mesh fabric | |
| Backrest frame | Reinforced nylon (PA66) | |
| Armrests | Injection-molded nylon with textured top surface | |
| Five-star base | Reinforced nylon | |
| Gas lift | Class 3 chrome-plated steel | |
| Casters | 60mm diameter polyurethane (PU) | |
| Retractable footrest | Steel frame with padded foam top | |
| Headrest | Molded nylon with padded mesh surface | |
| 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 pneumatic gas lift, lockable at any position | |
|---|---|---|
| Backrest recline function | 15-degree rearward tilt with tension adjustment knob under seat | |
| 360-degree swivel rotation | Full rotation around central axis for multi-directional access | |
| Retractable footrest | Pull-out extension to 465mm forward of seat front, stows flush under seat | |
| Recline tension adjustment | Rotary knob under seat to adjust tilt resistance for user weight | |
| Smooth rolling mobility | Dual-wheel PU casters suitable for carpet and hard flooring | |
| Integrated lumbar support | X-shaped frame structure provides targeted mid-back pressure relief | |
| 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 use by office staff with ergonomic back support | |
|---|---|---|
| Home office workspaces | Adjustable height and recline suit individual user preferences for remote work | |
| Gaming or long-duration computer use | Retractable footrest and high-back design support relaxed reclined posture | |
| Conference and meeting rooms | Professional black appearance and swivel function suit collaborative meeting spaces | |
| Supervisor and managerial workstations | High-back ergonomic design provides appropriate support for senior roles | |
| 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 for office furniture office chair dimensional safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable for office chair mechanical strength and stability performance | |
| EN 1335-3:2020 | Applicable for office chair structural testing methods and acceptance criteria |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair safety and performance standards | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable for heavy-user office chair weight capacity validation up to 150kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for office chair size and dimension tolerance validation | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable for chair strength and durability mechanical testing | |
| GB 18584-2001 | Applicable for furniture interior decoration material formaldehyde emission limit |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for office chair size and dimension tolerance validation; 2. GB/T 10357.3-2013: Applicable for chair strength and durability mechanical testing; 3. GB 18584-2001: Applicable for furniture interior decoration material formaldehyde emission limit; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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