| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 640 x 620 x 1010 mm | |
|---|---|---|
| Seat height adjustment range | 420 to 520 mm | |
| Seat width | 500 mm | |
| Seat depth | 460 mm | |
| Backrest height | 520 mm | |
| Backrest width | 470 mm | |
| Fixed armrest height above seat | 220 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 50 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
| Product net weight | 18 kg | |
|---|---|---|
| Maximum recommended static user load | 136 kg | |
| Recommended daily usage duration | 8 hours | |
| Seat foam thickness | 50 mm | |
| Back foam thickness | 30 mm | |
| Seat foam density | 45 kg/m³ | |
| Upholstery abrasion resistance | 50000 double rubs (Martindale) | |
| Tilt mechanism lock angle | 12 degrees | |
| Welded frame static load rating | 680 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Mauve smooth faux leather (PU leather) | |
|---|---|---|
| Back and seat side shell | Walnut-toned bent plywood | |
| Armrest pads | Matching mauve upholstered padding | |
| Armrest support brackets | Polished die-cast aluminum | |
| Five-star base | Polished die-cast aluminum | |
| Pneumatic gas lift | Chrome-plated steel, Class 3 grade | |
| Tilt and height mechanism | Powder-coated steel plate, 3mm thickness | |
| Casters | Black hard-wearing polyurethane (PU) | |
| Stitching | Matching color edge stitching | |
| 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
| Seat height adjustment | Pneumatic lever-operated adjustment with 100mm vertical travel | |
|---|---|---|
| Back tilt function | Multi-position synchro tilt with 12 degree backward recline | |
| Smooth rolling mobility | Dual-wheel PU casters roll freely on hard floors and low-pile carpet without scratching surfaces | |
| Fixed-position arm support | Rigid padded armrests provide consistent arm support to reduce shoulder fatigue | |
| Stable anti-tip design | 350mm radius five-star base meets office seating stability requirements to prevent forward/side tipping during normal use | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions | 680 x 650 x 590 mm | |
| Gross shipping weight | 22 kg | |
| Shipping volume per unit (CBM) | 0.26 CBM | |
| Assembly time | 20 minutes | |
| 40ft HQ container loading quantity | 260 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
| Corporate meeting and conference rooms | Slim mid-back profile and formal mauve upholstery coordinates with modern conference tables, supports upright seated posture during long meetings | |
|---|---|---|
| Executive private offices | Polished aluminum and wood trim matches premium executive desk suites, provides professional appearance and comfortable seating for guests and the office occupant | |
| Visitor and reception areas | Smooth faux leather surface is easy to clean and sanitize between guest uses, rolling base allows flexible repositioning | |
| Home office workspaces | Compact footprint fits smaller home office layouts, adjustable height works with standard home office desks, stylish mauve finish complements modern residential decor | |
| Co-working flexible workspaces | Durable commercial-grade construction withstands high-frequency multi-user use, swivel and roll function supports flexible collaborative work | |
| 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 chairs - Part 1: Dimensions - Determination of dimensions | Applies to ergonomic dimensional requirements for seat height, depth, back support and armrest positioning for user comfort | |
|---|---|---|
| EN 1335-2:2018 Office furniture - Office work chairs - Part 2: Safety requirements | Applies to structural safety, stability, caster performance and mechanism durability requirements for commercial office chairs | |
| EN 1335-3:2009 Office furniture - Office work chairs - Part 3: Test methods | Defines standardized test procedures to verify compliance with safety and performance requirements during procurement inspection |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
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Standards applicable to China-market projects
| GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture | Applies to formaldehyde emission limits for the bentwood plywood shell components, required for indoor office air quality compliance |
|---|
This product must meet the following technical requirements: 1. GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture: Applies to formaldehyde emission limits for the bentwood plywood shell components, required for indoor office air quality compliance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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