| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 1200mm | |
|---|---|---|
| Seat height range | 540mm | |
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest height above seat | 700 mm | |
| Backrest width | 490 mm | |
| Fixed armrest height above seat | 220 mm | |
| Armrest pad length | 250 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 50 mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
Net weight / load capacity / users / durability
| Net weight range | 22kg | |
|---|---|---|
| Maximum static user weight capacity | 150 kg | |
| Recommended user weight range | 120kg | |
| Seat foam density | 55kg/m³ | |
| Backrest foam density | 45kg/m³ | |
| Foam rebound rate | 50% | |
| Backrest cyclic durability | 120000 cycles | |
| Caster rolling durability | 100 km | |
| Gas lift cyclic test rating | 100000 height adjustment cycles | |
| Net product weight range | 25kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Light ivory/cream smooth leather or faux leather | |
|---|---|---|
| Side back and seat frame trims | Matte black rigid polypropylene structural plastic | |
| Outer back accent panel | Smooth light grey plastic inset | |
| Armrest pads | Matte black hard polyurethane | |
| Internal seat/back frame | 12mm thick molded plywood inner support | |
| Five-star base | Polished chrome-plated 2.0mm thick steel | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift, 50mm outer diameter, 100mm stroke | |
| Tilt mechanism | 2.5mm thick black powder-coated steel synchro-tilt chassis | |
| Casters | Black polyurethane tread with polypropylene inner hub | |
| Upholstery seam stitch pitch | 8 stitches per inch | |
| Seat and backrest contact surface upholstery | Light ivory/cream smooth faux leather (PU) or top-grain leather option | |
| Back side, seat perimeter and arm structural frame | Matte dark grey/black rigid polypropylene (PP) structural plastic |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic 100mm vertical adjustment via right-side lever under seat, locking at any height in range | |
|---|---|---|
| Backrest tilt function | Synchro tilt with 15° rearward recline, locking in upright position, with adjustable tension knob | |
| 360° swivel rotation | Full 360-degree horizontal rotation around central gas lift axis | |
| Multi-surface mobility | Smooth rolling on 5 casters across hard wood, tile, and low-pile carpet floors | |
| Ergonomic support | Contoured high back providing full head, upper back, and lumbar support; contoured waterfall seat front edge to reduce leg pressure | |
| Fixed arm support | Fixed height armrests providing stable forearm support at desk height, no height/width/pivot adjustment | |
| Synchro-tilt recline | Synchronized recline with 18° backrest tilt, seat tilts at 1:3 ratio relative to back, lockable in upright position, with user-weight tension adjustment knob under seat | |
| 360° horizontal swivel | Unobstructed full 360-degree rotation around central gas lift axis for easy access to desk surfaces without moving the base | |
| Ergonomic contour support | Integrated head/neck support in upper back, molded lumbar contour in mid-back, waterfall seat front edge to reduce popliteal pressure for 8+ hour seated use | |
| Tilt tension adjustment | Rotary knob under seat adjusts tilt resistance from 120N to match user weight 120kg, preventing too-fast or too-stiff recline | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm | |
| Reference Packaged Gross Weight | 23kg/set | |
| Reference Carton Volume | 0.26m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Executive office spaces | Suitable for private executive offices, formal management workstations, and meeting rooms for senior staff | |
|---|---|---|
| Conference room seating | Suitable for boardroom and formal meeting room deployment | |
| Home office executive setups | Suitable for premium home office spaces requiring formal, professional seating for extended computer work | |
| Reception and VIP visitor areas | Suitable for high-end reception areas where visitors require comfortable, professional seating | |
| Recommended matching furniture | Pairs with 760mm height executive desks, L-shaped management desks, or 750mm height conference tables | |
| Private executive offices | Suitable for senior manager and C-suite private office workstations, rated for 8+ hours daily computer and document work | |
| VIP reception and visitor areas | Suitable for high-end corporate reception zones and executive waiting areas | |
| Recommended matching furniture pairing | Pairs with 760mm height executive desks, L-shaped management desks, and 750mm height conference tables |
EU Market Access Requirements* EN Standards
| Applicable EN office chair dimensional standard | EN 1335:2020 (Office work chairs - Part 1: Dimensions - Determination of dimensions) | |
|---|---|---|
| Applicable EN safety standard | EN 1335:2018 (Office work chairs - Part 2: Safety requirements) | |
| Applicable EN fire resistance standard | EN 1021:2014 (Furniture - Assessment of the ignitability of upholstered furniture - Part 1: Ignition source smouldering cigarette) | |
| Office chair dimensional and safety standard | EN 1335:2020 / EN 1335:2018 (Office work chairs - Dimensions and Safety requirements) | |
| Upholstery flammability standard | EN 1021:2014 (Furniture - Assessment of the ignitability of upholstered furniture - Smouldering cigarette source) | |
| Office chair stability standard | EN 1728:2014 (Furniture - Seating - Test methods for strength and durability) |
US and Canada office-furniture standards
| Applicable BIFMA performance standard | ANSI/BIFMA X2017 (Office Chairs - Tests) | |
|---|---|---|
| Applicable BIFMA sustainability standard | ANSI/BIFMA e2019 (Furniture Sustainability Standard) | |
| BIFMA gas lift requirement | ANSI/BIFMA X5.1 Clause 8 (Gas lift performance) | |
| Seat surface static load rating | 1136 kg | |
| Office chair performance standard | ANSI/BIFMA X2017 (Office Chairs - Tests) | |
| Gas lift performance requirement | ANSI/BIFMA X5.1 Clause 8 (Gas lift performance) |
Standards applicable to China-market projects
| Applicable GB/T standard for office chairs | GB/T 3326 (Furniture - Desks, chairs and stools for office use - Main dimensions) | |
|---|---|---|
| Applicable GB/T durability standard | GB/T 10357.3 (Test of mechanical properties of furniture - Strength and durability of chairs and stools) | |
| Applicable GB safety standard | GB 28007 (General technical requirements for children's furniture does not apply; office chair safety reference GB/T 35607 (Green product assessment - Furniture)) | |
| Office chair dimensional standard | GB/T 3326 (Furniture - Desks, chairs and stools for office use - Main dimensions) | |
| Chair mechanical durability standard | GB/T 10357.3 (Test of mechanical properties of furniture - Strength and durability of chairs and stools) | |
| Furniture hazardous substance standard | GB/T 35607 (Green product assessment - Furniture) |
This product must meet the following technical requirements: 1. Applicable GB/T standard for office chairs: GB/T 3326 (Furniture - Desks, chairs and stools for office use - Main dimensions); 2. Applicable GB/T durability standard: GB/T 10357.3 (Test of mechanical properties of furniture - Strength and durability of chairs and stools); 3. Applicable GB safety standard: GB 28007 (General technical requirements for children's furniture does not apply; office chair safety reference GB/T 35607 (Green product assessment - Furniture)); 4. Office chair dimensional standard: GB/T 3326 (Furniture - Desks, chairs and stools for office use - Main dimensions); 5. Chair mechanical durability standard: GB/T 10357.3 (Test of mechanical properties of furniture - Strength and durability of chairs and stools); 6. Furniture hazardous substance standard: GB/T 35607 (Green product assessment - Furniture); Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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