| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 600 x 1010 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range (top of cushion to floor) | 540 mm | |
| Backrest height (top of seat to top of back) | 520 mm | |
| Backrest width | 480 mm | |
| Armrest height (top of arm to top of seat) | 210 mm | |
| Armrest width (per arm pad) | 60 mm | |
| 5-star base diameter | 600 mm | |
| Caster diameter | 60 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 | 120 kg | |
|---|---|---|
| Net weight reference | 16 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam thickness | 40 mm | |
| Caster rolling durability | 100000 cycles | |
| Gas lift stroke | 100 mm | |
| Tilt mechanism static load | 150 kg | |
| Back foam density | 35 kg/m³ | |
| Gas lift cycle life | 100000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Black PU leather (polyurethane) with smooth matte finish | |
|---|---|---|
| Seat and back padding | High-density polyurethane foam wrapped over plywood substrate | |
| Inner seat and back frame | 12 mm plywood board with plastic edge trim | |
| Armrests | Fixed black PP (polypropylene) plastic frame with integrated arm pad | |
| Gas lift | Chrome-plated steel Class 3 gas spring with black plastic shroud | |
| 5-star base | Black powder-coated steel 5-leg base, 2.0 mm wall thickness | |
| Casters | 60 mm diameter dual-wheel nylon casters with black hood | |
| Tilt mechanism | Black steel butterfly mechanism under seat | |
| Thread and stitching | Top-stitched seat and back panels with 4 stitches per 10 mm seam pitch | |
| 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 gas lift controlled by right-side lever, providing 100 mm total height travel | |
|---|---|---|
| Swivel function | 360-degree continuous rotation around central gas lift column | |
| Tilt function | Butterfly mechanism enables seat-to-back synchronized tilt up to 12 degrees from upright, with tension adjustment via knob | |
| Fixed armrests | Rigidly mounted non-adjustable arm supports at fixed height and width, providing forearm rest | |
| Mobility | Five dual-wheel casters allow rolling on hard floor and low-pile carpet surfaces, suitable for daily office relocation | |
| Weight distribution | 5-point star base distributes user load evenly across five contact points for static stability | |
| Fixed armrest support | Rigidly mounted non-adjustable arm supports at 210 mm height above seat, providing fixed-width forearm rest | |
| Floor mobility | Five 60 mm dual-wheel nylon casters allow rolling on hard floor and low-pile carpet surfaces, suitable for daily office relocation | |
| Weight distribution stability | 5-point star base with 600 mm diameter distributes user load evenly across five contact points for static stability | |
| 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
| Packaging carton count | 1 unit per carton | |
|---|---|---|
| Carton dimensions | 650 x 520 x 400 mm | |
| Gross weight per carton | 18 kg | |
| Volume per carton (CBM) | 0.135 m³ | |
| Assembly time per unit | 15 minutes | |
| 20ft container loading quantity | 220 units | |
| 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 |
Recommended spaces / users / usage modes
| General office workstations | Suitable for open-plan office desks and individual workstations, with fixed arms and mid-back support for 6 hour daily use | |
|---|---|---|
| Conference and meeting rooms | Appropriate for conference table seating, providing a professional black PU finish that is easy to wipe clean between meetings | |
| Home office and study spaces | Works well for home desk setups, offering compact footprint and standard height range for typical domestic desks | |
| Training room and shared seating areas | Durable caster and gas lift construction supports frequent relocation and multi-user shared seating environments | |
| Front-desk and reception guest seating | Sleek black all-weather PU surface presents a uniform professional look for short-stay guest use at reception counters | |
| Executive office workstations | Suitable for private executive offices and senior staff workstations, with mid-back support for 8 hour daily use and professional black PU finish | |
| 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 | Office furniture - Office work chair - Part 1: Dimensions | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chair - Part 2: Safety requirements | |
| EN 1335-3:2009 | Office furniture - Office work chair - Part 3: Test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2021 | General-Purpose Office Chairs - Tests |
|---|
Standards applicable to China-market projects
| GB/T 38059-2019 | Office furniture - Office chairs - Determination of dimensions and parameters | |
|---|---|---|
| GB 18584-2001 | Limits of harmful substances of wood-based panels and surface coatings for interior furniture | |
| GB/T 10357.3-2013 | Furniture - Mechanical and chemical properties of furniture - Part 3: Determination of strength and durability of chairs and stools |
This product must meet the following technical requirements: 1. GB/T 38059-2019: Office furniture - Office chairs - Determination of dimensions and parameters; 2. GB 18584-2001: Limits of harmful substances of wood-based panels and surface coatings for interior furniture; 3. GB/T 10357.3-2013: Furniture - Mechanical and chemical properties of furniture - Part 3: Determination of strength and durability of chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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