| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions (max) | 620 x 680 x 1300 mm | |
|---|---|---|
| Seat cushion usable width | 480 mm | |
| Seat cushion usable depth | 460 mm | |
| Seat cushion thickness | 80 mm | |
| Seat height adjustment range (floor to seat) | 540 mm | |
| Backrest height (above seat surface) | 560 mm | |
| Fixed armrest height above seat | 180 mm | |
| Total armrest height (floor to arm) | 690 mm | |
| Headrest width | 470 mm | |
| Five-star base caster spread diameter | 680 mm | |
| Adjustable total chair height range (floor to headrest top) | 1300 mm | |
| Front overall width (outer edge to outer edge) | 620 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
| Net chair weight | 22 kg | |
|---|---|---|
| Maximum recommended user static load | 159 kg | |
| Seat tilt/recline range | 135 degrees | |
| Gas lift height adjustment stroke | 100 mm | |
| Gas lift durability rating | 100000 cycles | |
| Foam seat density | 50 kg/m³ | |
| Foam rebound rate | 55% | |
| Seam stitch pitch | 3 mm | |
| 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 | Breathable woven polyester tension mesh | |
|---|---|---|
| Seat upholstery fabric | Abrasion-resistant polyester fabric over foam | |
| Seat core padding | 50kg/m³ high-density cold-cured polyurethane foam | |
| Structural back and arm frame | Glass-fiber reinforced white polypropylene copolymer | |
| Armrest top support | Integral molded PP with smooth matte non-slip finish | |
| Seat inner support panel | 12mm thick multi-layer plywood core | |
| Height adjustment gas lift | 100mm diameter steel Class 3 gas lift with black coating | |
| Tilt mechanism chassis | 2.5mm thick stamped steel plate with tension adjustment | |
| Five-star swivel base | 350mm radius glass-fiber reinforced white nylon | |
| Caster wheels | 60mm diameter black PU tread, nylon hub twin-wheel casters | |
| Frame finish | Matte textured white powder-coat equivalent for plastic components | |
| Lumbar support zone | Contoured integrated mesh tension lumbar zone |
Adjustment / rotation / tilt / mobility / storage features
| Swivel function | 360-degree unrestricted swivel around central gas lift axis | |
|---|---|---|
| Seat height adjustment | Pneumatic lever-controlled 100mm vertical travel, infinite lock | |
| Recline/tilt function | Synchronized back tilt with tension adjustment, single-position lock | |
| Headrest adjustment | Height and angle adjustable curved headrest for neck support | |
| Mobility feature | Dual-wheel PU casters suitable for hard and soft flooring | |
| Armrest configuration | Fixed height closed-loop armrests rigidly mounted to seat/back frame | |
| Back support feature | Integrated contoured lumbar support built into tensioned mesh back | |
| Stability feature | Five-point base geometry with 680mm caster spread for anti-tip compliance | |
| 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
| Open plan office workstations | Suitable for long-duration desk work with breathable mesh back and ergonomic support | |
|---|---|---|
| Home office study spaces | Compact footprint, neutral white-blue colorway fits residential home decor | |
| Conference room task seating | Fixed armrests, professional appearance suitable for meeting room seating | |
| Call center and shared desk environments | Durable construction, easy-to-clean surfaces support high-frequency shared use | |
| Student dormitory and study areas | Affordable ergonomic support, appropriate dimensions for compact study desks | |
| Co-working space hot-desking | Universal adjustment range, durable casters, and neutral aesthetic suit flexible hot-desk use | |
| Small office executive workstations | High-back headrest support provides comfort for full-shift executive desk work | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office work chairs: dimensions and safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office work chairs: safety strength and durability requirements | |
| EN 1335-3:2009 | Office work chairs: test methods for structural performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs: safety and performance standard | |
|---|---|---|
| Caster rolling durability rating | 40000 cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: chair and stool dimension measurement standard | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture mechanical test: chair strength and durability | |
| GB 28007-2011 | Office chair general technical requirements for safety | |
| GB/T 26706-2011 | Furniture environmental test: volatile organic compound emissions |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: chair and stool dimension measurement standard; 2. GB/T 10357.3-2013: Furniture mechanical test: chair strength and durability; 3. GB 28007-2011: Office chair general technical requirements for safety; 4. GB/T 26706-2011: Furniture environmental test: volatile organic compound emissions; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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