| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 510 x 590 x 920 mm | |
|---|---|---|
| Seat width | 460 mm | |
| Seat depth | 440 mm | |
| Backrest height | 480 mm | |
| Backrest width | 470 mm | |
| Maximum seat height (floor to seat top) | 530 mm | |
| Minimum seat height (floor to seat top) | 440 mm | |
| 4-star base span | 700 mm | |
| Base leg foot pad size | 25 mm | |
| Gas lift diameter | 50 mm | |
| Upholstery seat cushion thickness | 80 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 | 12 kg | |
|---|---|---|
| Recommended maximum user weight | 120 kg | |
| Swivel rotation range | 360 degrees | |
| Gas lift height adjustment stroke | 90 mm | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45 % | |
| Backrest foam thickness | 60 mm | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Recommended warranty period | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Light blue smooth faux leather (PU) | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam | |
| Backrest core | Molded polyurethane foam | |
| Internal seat support plate | 12 mm thick molded plywood | |
| Central gas lift | Polished chrome-plated steel Class 3 gas lift | |
| Height adjustment lever | Black reinforced nylon | |
| 4-star base | Polished chrome-plated 2mm thick steel | |
| Base foot pads | Non-marking black rubber | |
| Seat-to-base connection plate | 3 mm thick black powder-coated steel | |
| 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 height adjustment | Side-mounted lever controls gas lift to adjust seat height between 440mm and 530mm, locks at any position within travel range | |
|---|---|---|
| 360-degree swivel rotation | Full 360-degree horizontal rotation around central gas lift axis for flexible positioning without base movement | |
| Contoured ergonomic support | Curved seat pan with waterfall front edge reduces thigh pressure, mid-height contoured back supports lumbar region without headrest | |
| Stationary fixed base | 4-star chrome base with rubber foot pads remains stationary on floor, no rolling casters installed for stable seating in meeting or guest areas | |
| Armless free movement | No armrests fitted to allow unobstructed side access, easy tucking under desks and flexible seating posture | |
| Easy assembly | Tool-free connection of seat assembly to gas lift and base, completed by aligning components and applying downward pressure | |
| 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 | 620 x 540 x 430 mm | |
| Gross shipping weight | 14 kg | |
| Shipping volume per unit | 0.144 CBM | |
| assembly time | 10 minutes | |
| 20ft GP container loading quantity | 320 units | |
| 40ft HQ container loading quantity | 760 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Open office workstation seating | Armless design allows close tucking under standard 750mm height desks, 360 swivel supports easy access to adjacent work surfaces | |
|---|---|---|
| Meeting room and conference seating | Stationary caster-free base prevents unwanted movement during meetings, slim profile fits around standard conference tables without crowding | |
| Home office task seating | Compact footprint saves space in small home work areas, light blue finish complements modern residential decor | |
| Reception and guest waiting areas | Polished chrome base and smooth upholstery present a clean professional appearance, easy to wipe clean for high-traffic public areas | |
| Training room seating | Lightweight construction allows easy reconfiguration for training sessions, armless design accommodates a wide range of user body types | |
| Vanity and dressing room seating | Adjustable height works with standard vanity table heights, 360 swivel allows easy turning when accessing grooming items | |
| 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 - Determination of dimensions) | Applicable European standard for office chair dimensional requirements for ergonomic task seating, recommended for EU market procurement | |
|---|---|---|
| EN 1335-2:2018 (Office furniture - Office work chair - Part 2: Safety requirements) | Applicable European standard for structural safety and stability requirements for office task chairs | |
| EN 1335-3:2020 (Office furniture - Office work chair - Part 3: Test methods) | Applicable test method standard for verifying strength, durability and stability performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 (General Purpose Office Chairs - Tests) | Applicable North American standard for safety, durability and structural performance testing for task chairs, recommended for North American market procurement | |
|---|---|---|
| ANSI/BIFMA e3-2019 (Furniture Sustainability Standard) | Applicable sustainability standard for material content, emissions and social responsibility requirements for commercial furniture |
Standards applicable to China-market projects
| GB 18584-2001 (Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture) | Applicable standard for formaldehyde emission limits for internal plywood components, recommended for indoor air quality acceptance |
|---|
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): Applicable standard for formaldehyde emission limits for internal plywood components, recommended for indoor air quality acceptance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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