| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (WxDxH) | 660 x 660 x 1100 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Backrest height | 580 mm | |
| Backrest width at widest point | 480 mm | |
| Adjustable seat height range (floor to seat top) | 530 mm | |
| Minimum seat height (lowest gas lift position) | 390 mm | |
| 4-star base total span | 680 mm | |
| Base prong length from center stem | 320 mm | |
| Gas lift cylinder visible diameter | 50 mm | |
| Seat foam thickness (cushion) | 100 mm | |
| Backrest foam thickness | 75 mm | |
| Maximum seat height (highest gas lift position) | 560 mm | |
| Upholstery total thickness (fabric + foam liner) | 1.8 mm | |
| Floor clearance under seat at lowest height | 270 mm | |
| Finished Seat Cushion Thickness | 90 mm |
Net weight / load capacity / users / durability
| Recommended static weight capacity | 136 kg | |
|---|---|---|
| Net weight | 16 kg | |
| Upholstery abrasion resistance (Wyzenbeek double rubs) | 100000 | |
| Gas lift rated adjustment cycles | 100000 | |
| Swivel rotation range | 360 degrees | |
| Static base load rating (per leg) | 45 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 45% | |
| Chrome base finish scratch resistance | 2H pencil hardness | |
| Color fastness to light (Grade) | Grade 4 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick two-tone purple and white PU faux leather, stitched edge detailing | |
|---|---|---|
| Seat cushion padding | High-density polyurethane foam with soft top layer, wrapped in protective polyester fabric | |
| Backrest padding | Contoured high-density polyurethane foam, shaped for ergonomic lumbar support | |
| Internal seat/back frame | 12mm thick molded plywood inner shell with steel reinforcement brackets at gas lift attachment point | |
| Central height adjustment mechanism | Chrome-plated steel Class 3 pneumatic gas lift cylinder with black plastic trim ring at seat junction | |
| 4-star base construction | 2mm thick polished chrome-plated steel flat prongs, with non-marking plastic floor glides at each end | |
| Upholstery stitching | Bonded polyester thread with 8mm seam pitch along color-block edges, matching purple thread for seam detail | |
| Floor protection glides | Black injection-molded nylon glides pressed into each base prong end, protecting hard floor surfaces | |
| Swivel bearing assembly | Steel ball bearing race between gas lift and base, lubricated for smooth rotation | |
| Height adjustment lever | Black ABS plastic lever mounted under seat front edge, actuating gas lift release valve | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Lever-activated height adjustment providing 140mm vertical stroke between minimum and maximum seat height positions, operated by side lever under seat | |
|---|---|---|
| 360-degree swivel rotation | Smooth full rotation around central vertical axis with no locking positions, enabling easy direction change without moving the base | |
| Static non-wheeled base | Fixed stationary position on hard or soft flooring via non-marking glides, no rolling casters installed for stable lounge/guest placement | |
| Fixed backrest angle | 105-degree fixed reclined back angle optimized for relaxed guest seating, no active tilt or recline mechanism visible | |
| Armless open access design | No protruding armrests, allowing easy side access and tucking under desks or tables when not in use, maximizing space efficiency | |
| Spill-resistant upholstery surface | Smooth non-porous PU faux leather surface that wipes clean with a damp cloth, resisting common household and office spills | |
| Floor protection | Soft nylon glides at each base end prevent scratching of tile, hardwood and laminate flooring without requiring additional felt pads | |
| 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
| Number of shipping cartons | 1 | |
|---|---|---|
| Shipping carton dimensions (LxWxH) | 710 x 680 x 610 mm | |
| Packaged gross weight | 18 kg | |
| Shipping volume per unit (CBM) | 0.30 CBM | |
| Assembly time per unit | 30 minutes | |
| 20ft GP container loading quantity | 210 units | |
| 40ft HQ container loading quantity | 520 units | |
| Packaging protection | 5mm thick EPE foam wrap for upholstered components, corner cardboard protectors for metal base, sealed polybag for hardware kit and assembly instructions | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Modern living room accent seating | Sleek two-tone contemporary design complements minimalist, modern or glam living room layouts as a standalone side chair or paired seating for conversation areas | |
|---|---|---|
| Office guest and reception seating | Professional polished chrome base and streamlined silhouette works in reception areas, executive office guest zones or meeting rooms, providing 360-degree swivel for easy interaction | |
| Vanity and makeup room seating | Armless design allows close positioning at vanity tables, height adjustment matches standard vanity table heights, and easy-clean PU upholstery resists cosmetic spills | |
| Bedroom side and lounge seating | Compact 660mm width footprint fits small bedroom spaces as a reading chair or dressing seating, with soft padded support for extended seated use | |
| Waiting area seating for salons and studios | Smooth wipe-clean upholstery and swivel function suit salon, tattoo studio or creative workspace waiting areas, with durable metal base for regular daily use | |
| Recommended complementary configuration | Pair with glass or white high-gloss side tables and chrome lighting fixtures to coordinate with the polished metal base and two-tone upholstery 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 12520:2015 Furniture - Strength, durability and safety - Requirements for domestic seating | Recommended European standard for structural strength, stability and safety verification for residential accent chair use | |
|---|---|---|
| EN 1022:2018 Furniture - Seating - Determination of stability | Applicable standard for static stability testing of the 4-star base under normal and edge loading conditions | |
| EN 13356:2009 Furniture - Non-domestic storage seating - Safety requirements | Applicable standard for light commercial reception/guest seating strength requirements for office and public space use |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 General technical requirements for furniture | Applicable standard for general furniture structural stability, dimensional tolerance and finish quality verification for domestic Chinese market supply | |
|---|---|---|
| GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture | Recommended standard for formaldehyde and heavy metal emission limits for internal plywood frame components, for indoor air quality compliance | |
| GB/T 16799-2008 Polyurethane leather for furniture | Applicable standard for PU faux leather upholstery performance, including abrasion resistance, color fastness and tear strength verification |
This product must meet the following technical requirements: 1. GB/T 3324-2017 General technical requirements for furniture: Applicable standard for general furniture structural stability, dimensional tolerance and finish quality verification for domestic Chinese market supply; 2. GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture: Recommended standard for formaldehyde and heavy metal emission limits for internal plywood frame components, for indoor air quality compliance; 3. GB/T 16799-2008 Polyurethane leather for furniture: Applicable standard for PU faux leather upholstery performance, including abrasion resistance, color fastness and tear strength verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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