| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 710 x 1200 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 480 mm | |
| Maximum seat height | 635 mm | |
| Minimum seat height | 440 mm | |
| Five-star base diameter | 680 mm | |
| Caster diameter | 50 mm | |
| Backrest height | 760 mm | |
| Armrest height adjustment range | 80 mm | |
| Backrest width | 490 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 | 19.3 kg | |
|---|---|---|
| Maximum static load capacity | 136 kg | |
| Gas lift stroke | 195 mm | |
| Seat foam density | 40 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Mesh abrasion resistance | 50000 cycles | |
| Backrest frame static load | 68 kg | |
| Net product weight | 19.3 kg | |
| Gas lift vertical stroke | 195 mm | |
| Backrest mesh abrasion resistance | 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable polyester elastic mesh | |
|---|---|---|
| Back frame | PA nylon with 30% glass fiber reinforcement | |
| Seat cushion padding | High-density molded polyurethane foam | |
| Seat base shell | 1.5mm thick steel plate | |
| Armrests | PP structural frame with soft PU padded tops | |
| Five-star base | 2.0mm thick electroplated steel | |
| Casters | Hard-wearing PP with polyurethane rolling surface | |
| Lumbar support structure | Flexible reinforced PP | |
| Headrest | Integrated curved PP frame with mesh overlay | |
| Gas lift cylinder | Class 3 steel, SGS certified | |
| Backrest support frame | PA nylon with 30% glass fiber reinforcement, 5mm wall thickness | |
| Seat support chassis | 2.5mm thick stamped steel plate with black powder coating |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift, 195mm travel, lever-operated under seat | |
|---|---|---|
| Swivel function | 360-degree full rotation around central axis | |
| Tilt function | Backrest recline to 130 degrees with single-position lock | |
| Armrest adjustment | Vertical height adjustment up to 80mm with fixed position lock | |
| Lumbar support | Contoured flexible zone with 40mm vertical adjustment | |
| Mobility | Five dual-wheel casters for smooth rolling on hard and carpet floors | |
| Tilt tension control | Rotary knob adjusts resistance to match user weight | |
| Headrest support | Curved integrated neck support with fixed contour for upper spine | |
| 360-degree swivel | Full unobstructed rotation around central gas lift axis, no lock limit | |
| Lumbar support adjustment | Flexible contoured support with 40mm vertical travel, adapts to lower back curve | |
| Floor mobility | Five dual-wheel casters, 360-degree swivel per caster, rolls on hard and carpet surfaces | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
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
| Open-plan office workstation | For 8-hour daily task use at standard 760 mm height office desks | |
|---|---|---|
| Home office workspace | For remote work and computer use at residential desk setups | |
| Conference and meeting rooms | For multi-hour seated meetings and collaborative work sessions | |
| Executive private office | For manager and professional individual office use with ergonomic support | |
| Computer lab and training rooms | For long-duration seated tasks requiring adjustable height and lumbar support | |
| Open-plan office workstations | For 8-hour daily task use at standard 760mm height office desks, lumbar support reduces fatigue | |
| Executive private offices | For manager and professional individual office use, high-back design provides upper back support | |
| Training rooms and computer labs | For long-duration seated training and computer tasks, durable casters and sturdy base suit frequent repositioning |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to office work chair dimensional and safety general requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and durability performance requirements | |
| EN 1335-3:2018 | Applies to office chair test methods for structural and safety verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair durability, strength and stability testing | |
|---|---|---|
| ANSI/BIFMA X5.11:2015 | Applies to large-user office chair load capacity verification if required | |
| Caster rolling durability | 40000 cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture chair dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 35448-2017 | Applies to ergonomic office chair general technical requirements for office use | |
| GB/T 17657-2013 | Applies to surface material physical property testing for chair upholstery |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture chair dimensional accuracy and stability testing; 2. GB/T 35448-2017: Applies to ergonomic office chair general technical requirements for office use; 3. GB/T 17657-2013: Applies to surface material physical property testing for chair upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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