| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 640 x 680 x 1050 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height adjustment range | 520 mm | |
| Backrest width | 470 mm | |
| Backrest height | 620 mm | |
| Seat cushion thickness | 80 mm | |
| Five-star base diameter | 680 mm | |
| Caster diameter | 50 mm | |
| Seat front edge height | 420 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 weight | 18 kg | |
|---|---|---|
| Recommended maximum user weight | 150 kg | |
| Gas lift static load rating | 150 kg | |
| Base static load capacity | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Tilt mechanism cycle life | 100000 cycles | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Fabric abrasion resistance | 50000 Martindale cycles | |
| Seat foam rebound rate | 60% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Beige smooth polyurethane (PU) leather with visible stitched panel seams | |
|---|---|---|
| Outer back and seat side shell | White glossy molded rigid polymer (PP/ABS composite) | |
| Seat internal support frame | 12 mm thick molded plywood substrate | |
| Five-star base | Polished die-cast aluminum alloy, 2 mm wall thickness | |
| Gas lift cylinder | Chrome-plated steel, 50 mm outer diameter, Class 3 safety rating | |
| Tilt mechanism | 3 mm thick stamped steel plate with black powder-coat finish | |
| Casters | 50 mm diameter twin-wheel polyurethane casters with blue-accented wheel housings | |
| Control levers | Black nylon-padded steel levers | |
| Seam stitching | Polyester thread with 8 stitches per 30 mm seam pitch | |
| Center tilt pivot bushing | Nylon-lined steel bushing | |
| Base prong end inserts | Reinforced nylon caster sockets | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic adjustment via right-side lever, 100 mm vertical travel from 420 mm to 520 mm seat height | |
|---|---|---|
| Backrest tilt function | Synchro-tilt movement that reclines backrest at 1:1.7 ratio relative to seat tilt, lockable at upright position | |
| Smooth caster mobility | Twin-wheel casters roll freely on low-pile carpet and hard flooring, with 360° swivel per caster | |
| Fixed padded geometry | Contoured seat and ergonomic curved back provide consistent lumbar support without adjustable lumbar pad | |
| Tilt tension adjustment | Knob under seat adjusts spring tension to match user body weight for controlled recline resistance | |
| Backrest tilt recline angle range | 115degrees | |
| 360-degree swivel rotation | Full 360° horizontal rotation around central gas lift axis, no rotational locks | |
| Fixed ergonomic support | Contoured seat pan and curved backrest provide built-in lumbar and thigh support without adjustable pads | |
| Maximum backrest recline angle | 18 degrees from upright position | |
| Floor protection design | Soft PU caster tread prevents scratching of hardwood, tile, and vinyl office flooring | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
| Shipping carton dimensions | 670 x 650 x 590 mm | |
|---|---|---|
| Gross shipping weight | 22 kg | |
| Shipping volume per unit | 0.257 CBM | |
| Assembly time | 20 minutes | |
| 20ft GP container loading quantity | 270 units | |
| 40ft HQ container loading quantity | 670 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
| Executive private offices | Premium two-tone white and beige aesthetic complements modern executive desks, providing professional seating for managers and executives | |
|---|---|---|
| Corporate meeting and conference rooms | Sleek uniform design creates a coordinated professional appearance around conference tables for client meetings and internal team sessions | |
| Modern open-plan workstations | Low-profile mid-back design fits open office layouts without blocking sightlines, supporting daily desk work for office staff | |
| Home office spaces | Contemporary residential styling works in home workspaces, with comfortable padding for extended remote work sessions | |
| Reception and visitor areas | Polished finish and comfortable seating provide a professional welcoming space for visiting clients and guests | |
| Co-working shared spaces | Durable construction and neutral color scheme withstand frequent multi-user rotation in flexible shared work environments | |
| Training and seminar rooms | Uniform stackable-adjacent design supports efficient room layout changes, with swivel function enabling easy interaction between training participants | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - Office work chair - Part 1: Dimensions - Safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chair - Part 2: Safety requirements | |
| EN 1335-3:2018 | Office furniture - Office work chair - Part 3: Test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office Chairs - General purpose |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture - Chair and stool size specification | |
|---|---|---|
| GB/T 35607-2017 | Technical requirements for green product evaluation - Furniture | |
| GB/T 10357.3-2013 | Test of mechanical properties of furniture - Strength and durability of chairs and stools |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture - Chair and stool size specification; 2. GB/T 35607-2017: Technical requirements for green product evaluation - Furniture; 3. GB/T 10357.3-2013: Test of mechanical properties of furniture - 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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