| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 730 x 740 x 1265 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 510 mm | |
| Seat height adjustment range (max) | 570 mm | |
| Minimum seat height | 420 mm | |
| Backrest total height (seat to headrest top) | 820 mm | |
| Armrest height above seat (max) | 240 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Headrest dimensions (W x H) | 320 x 180 mm | |
| Split upper back pad dimensions (per pad W x H) | 200 x 390 mm | |
| Lumbar support pad height | 220 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 | |
|---|---|---|
| Maximum recommended user weight | 150 kg | |
| Seat foam density | 55 kg/m³ | |
| Back foam density | 45 kg/m³ | |
| Seat foam thickness | 90 mm | |
| Back pad foam thickness | 60 mm | |
| Recline mechanism cycle durability | 300000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Seam stitch pitch | 3 mm per stitch | |
| Net chair weight | 18 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery fabric | Breathable woven polyester fabric, 350g/m² weight, 50000 double-rub abrasion rating | |
|---|---|---|
| Seat core | High-density polyurethane foam with molded contour for pressure distribution | |
| Back and headrest padding | Medium-high density polyurethane foam with rounded edge finishing | |
| Structural frame | 1.5mm thick steel inner frame with white reinforced PP plastic outer housing | |
| Seat support base | 12mm thick molded plywood seat pan bonded to foam cushion | |
| Five-star base | Reinforced white nylon composite, 3mm wall thickness | |
| Gas lift cylinder | 80mm diameter Class 4 steel pneumatic cylinder with black plastic trim | |
| Armrests | Padded PU top surface on white PP support structure, height-adjustable post | |
| Casters | 60mm diameter PU tread casters with black PP hub and silver accent ring | |
| Recline mechanism | 2.5mm thick steel plate tilt mechanism with tension adjustment knob | |
| Seat cushion core | Molded high-density polyurethane foam with contoured edge for pressure relief | |
| Seat support pan | 12mm thick molded plywood seat pan bonded directly to foam cushion |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift provides 150mm vertical travel, controlled by side lever under seat | |
|---|---|---|
| Backrest recline | 135-degree maximum recline angle with 1-position lock for upright working posture | |
| Tilt tension control | Rotary knob under seat adjusts recline resistance to match user weight | |
| Armrest adjustment | 70mm vertical height adjustment to align with desk surface height | |
| Headrest adjustment | 45-degree angular tilt adjustment for neck support during upright or reclined posture | |
| Swivel function | 360-degree full rotation around central gas lift axis for multi-directional access | |
| Mobility | Five dual-wheel casters enable smooth rolling on hard floors and low-pile carpet | |
| Ergonomic support | Dual split upper back pads and separate lumbar pad reduce spinal pressure during long work sessions | |
| Mobility function | Five dual-wheel casters enable smooth rolling on hard floors and low-pile commercial carpet | |
| Ergonomic support function | Dual split upper back pads and dedicated lumbar pad reduce static spinal pressure during long work sessions | |
| 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
| 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 | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Home office workspace | Suits individual remote work setups, providing back support for 8 hour daily desk sessions | |
|---|---|---|
| Corporate open office stations | Fits standard 750mm height office desks, swivel and mobility support collaborative work access | |
| Student study and homework areas | Adjustable height accommodates teen and adult users for long study sessions at desks | |
| Creative studio workstations | Coral pink finish adds soft accent color to neutral studio spaces without overly bold styling | |
| Small private office rooms | Compact 730mm width fits small office footprints while retaining full ergonomic support | |
| Co-working space hot desks | Durable fabric and mobile base suit shared multi-user environments with regular adjustment | |
| Student study areas | Adjustable height accommodates teen and adult users for extended study and assignment sessions | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable standard for office chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office chair structural strength and stability testing | |
| EN 1335-3:2018 | Applicable standard for office chair test methods for strength and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for general-purpose office chairs, covering load, durability and stability |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office chair dimensional stability and measurement | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable standard for office chair strength and durability testing | |
| GB/T 10357.2-2013 | Applicable standard for chair backrest static load and fatigue testing | |
| GB 18584-2001 | Applicable standard for indoor furniture formaldehyde emission limits |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office chair dimensional stability and measurement; 2. GB/T 10357.3-2013: Applicable standard for office chair strength and durability testing; 3. GB/T 10357.2-2013: Applicable standard for chair backrest static load and fatigue testing; 4. GB 18584-2001: Applicable standard for indoor furniture formaldehyde emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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