| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 700 x 1290 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 460 mm | |
| Seat height adjustment range (floor to seat) | 540 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest width | 470 mm | |
| Backrest height (seat to top of back frame) | 560 mm | |
| Lumbar support height above seat | 180 mm | |
| Headrest-included total height adjustment range | 1290 mm | |
| Backrest-only total height range (no headrest) | 1210 mm | |
| Five-star base footprint diameter | 700 mm | |
| Armrest height above seat | 250 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 product weight | 20 kg | |
|---|---|---|
| Recommended static user weight capacity | 136 kg | |
| Seat height adjustment stroke | 100 mm | |
| Tilt lock angle | 15 degrees | |
| Swivel rotation range | 360 degrees | |
| Five-star base static load rating | 1000 kg | |
| Gas lift cycle rating | 100000 cycles | |
| Warranty period | 5 years | |
| 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 | Tensioned breathable polyester mesh | |
|---|---|---|
| Seat upholstery | Woven polyester fabric over blue padded surface | |
| Seat core padding | 45D high-density molded polyurethane foam | |
| Armrest construction | Integrated PA plastic fixed armrests with matte finish | |
| Seat and back inner frame | 1.5mm thick steel support frame | |
| Five-star base | Chrome-plated steel with polished finish | |
| Caster construction | 60mm diameter dual-wheel PU casters | |
| Gas lift cover | Black ABS plastic shroud over central lift column | |
| Headrest padding | 40D polyurethane foam with mesh outer cover | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Lever-operated 100mm vertical travel via Class 3 gas lift | |
|---|---|---|
| Headrest adjustment | 2D height and angle adjustment for neck support | |
| Tilt and lock mechanism | 2.5mm steel plate butterfly mechanism with single-position tilt lock | |
| 360-degree swivel | Smooth full rotation around central gas lift axis | |
| Caster mobility | Dual-wheel PU casters suitable for hard floors and low-pile carpet | |
| Fixed armrest support | One-piece fixed armrests for consistent forearm support | |
| Built-in lumbar support | Contoured molded lumbar zone for lower back alignment | |
| Tilt tension adjustment | Knob-controlled tension tuning to match user body weight | |
| 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
| Private office workstation | Suitable for 8 hour daily desk use for office workers and managers | |
|---|---|---|
| Home office setup | Compatible with standard 760 mm height office desks for remote work | |
| Coworking space seating | Durable construction for shared high-traffic work areas | |
| Conference room guest seating | Professional appearance suitable for meeting room attendee seating | |
| Studio and creative workspace | Breathable mesh back for comfort during extended project work | |
| Commercial reception area | Neutral blue/gray color scheme fits modern professional reception spaces | |
| 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 chair dimensional and safety requirement evaluation | |
|---|---|---|
| EN 1335-2:2009 | Applicable for office chair structural strength and durability testing | |
| EN 1335-3:2009 | Applicable for office chair structural stability verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair safety and performance testing | |
|---|---|---|
| Caster rolling durability cycles | 100000 cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for office furniture dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable for chair strength and durability mechanical performance testing | |
| GB 18584-2001 | Applicable for indoor furniture formaldehyde emission limit testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for office furniture dimensional accuracy and stability testing; 2. GB/T 10357.3-2013: Applicable for chair strength and durability mechanical performance testing; 3. GB 18584-2001: Applicable for indoor furniture formaldehyde emission limit testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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