| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 650 x 1280 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range | 500 mm | |
| Backrest height | 720 mm | |
| Headrest dimensions | 320 x 110 mm | |
| Armrest height above seat | 220 mm | |
| 5-star base diameter | 660 mm | |
| Caster diameter | 60 mm | |
| Seat foam thickness | 90 mm | |
| Backrest width | 480 mm | |
| Armrest pad dimensions | 260 x 80 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 static load capacity | 150 kg | |
|---|---|---|
| Net weight reference | 18 kg | |
| Seat foam density | 45 kg/m³ | |
| Caster rolling durability | 100000 cycles | |
| Gas lift rated cycles | 100000 cycles | |
| Backrest tilt lock positions | 5 positions | |
| Back foam density | 35 kg/m³ | |
| Seam tensile strength | 200 N | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest mesh | Elastic woven nylon mesh with black PP plastic frame | |
|---|---|---|
| Seat cushion | High-resilience PU foam core with black woven fabric upholstery | |
| Headrest | Matching nylon mesh pad with black PP mounting bracket | |
| Lumbar support | Black PP plastic adjustable lumbar pad on rear of backrest | |
| Armrests | Black PP plastic arm pads with nylon support posts | |
| 5-star base | Reinforced nylon plastic five-leg base with matte black finish | |
| Gas lift | Chromed steel pneumatic gas lift cylinder | |
| Casters | Black nylon dual-wheel casters with PP mounting stems | |
| Seat inner frame | 1.5mm thick cold-rolled steel tube frame with welded joints and powder-coated finish | |
| Chassis mechanism | 4mm thick stamped steel base plate with synchro-tilt linkage and tension spring, powder-coated black | |
| 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 lift operated by right-side lever, providing height adjustment range of 100 mm | |
|---|---|---|
| Backrest tilt and lock | Synchro-tilt mechanism with locking at up to 5 recline positions, maximum tilt angle 125 degrees | |
| Headrest adjustment | Vertical height adjustment of headrest along backrest top mounting bracket | |
| Lumbar support adjustment | Manual vertical sliding lumbar pad for targeted lower back support positioning | |
| 360-degree swivel | Full continuous rotation around central gas lift axis for multi-directional workspace access | |
| Smooth mobility | Five dual-wheel casters enable low-noise rolling across hard office floors and low-pile carpet | |
| Tilt tension adjustment | Rotary knob under seat adjusts backrest tilt resistance, accommodating user weights from 50 kg to 150 kg | |
| Armrest fixed support | Fixed-height T-shaped armrests provide stable elbow support at 230 mm above seat surface, suitable for standard desk height 750 mm | |
| Gas lift stroke | 100 mm | |
| 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
| Packing configuration | 1 piece per carton, knock-down disassembled state | |
|---|---|---|
| Carton dimensions | 820 x 620 x 320 mm | |
| Gross weight per carton | 20 kg | |
| CBM per carton | 0.163 m³ | |
| Assembly time per unit | 30 minutes | |
| 20ft container loading quantity | 180 units | |
| 40HQ container loading quantity | 760 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Corporate open-plan offices | Suitable for full-time workstation use, supporting 8-hour daily sitting with adjustable ergonomic features | |
|---|---|---|
| Home office and remote workstations | Appropriate for residential study setups, with neutral black styling that fits most interior decor | |
| Administrative and supervisor offices | Suitable for individual office use, offering professional appearance and headrest support for extended meeting and work sessions | |
| Shared workspaces and coworking environments | Supports multi-user scenarios with quick height and tilt adjustment to accommodate different body sizes | |
| Conference and meeting rooms | Appropriate for long-duration meetings, with swivel and tilt functions to support collaborative discussion postures | |
| Training and educational facilities | Suitable for training rooms and classroom settings, with 360-degree swivel for group activities and durable construction for high-frequency use | |
| Reception and visitor areas | Appropriate for guest seating in office lobbies and waiting areas, with modern mesh design and stable five-star base for temporary use | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable for office chair dimensions, safety and strength requirements | |
|---|---|---|
| EN 12520:2015 | Applicable for seating structural performance and safety assessment | |
| EN 1021-1:2014 | Applicable for upholstered furniture fire resistance requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chairs performance testing | |
|---|---|---|
| BIFMA G1-2017 | Applicable for ergonomic guideline compliance of office seating | |
| BIFMA X6.1-2020 | Applicable for educational and office seating ergonomics |
Standards applicable to China-market projects
| GB/T 14710-2009 | Applicable for mechanical strength and durability testing of office chairs | |
|---|---|---|
| GB 18401-2010 Class B | Applicable for textile safety requirements of seat fabric and mesh | |
| GB/T 3326-2016 | Applicable for furniture dimensions, including seat height and backrest angle requirements |
This product must meet the following technical requirements: 1. GB/T 14710-2009: Applicable for mechanical strength and durability testing of office chairs; 2. GB 18401-2010 Class B: Applicable for textile safety requirements of seat fabric and mesh; 3. GB/T 3326-2016: Applicable for furniture dimensions, including seat height and backrest angle requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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