| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 730 x 680 x 1350 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height adjustment range | 420 to 520 mm | |
| Backrest height | 780 mm | |
| Headrest dimensions | 300 x 180 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Retractable footrest extension length | 460 mm | |
| Armrest height adjustment range | 680 to 780 mm from floor | |
| Seat foam thickness | 60 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 | 22 kg | |
|---|---|---|
| Maximum user weight capacity | 180 kg | |
| Base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Recline lock range | 90 to 135 degrees | |
| Recommended user height range | 1600 to 1830 mm | |
| Foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable warp-knit polyester mesh | |
|---|---|---|
| Seat cushion core | 45kg/m³ high-density polyurethane foam | |
| Seat support frame | 1.5mm thick welded steel tube | |
| Five-star base | Polished die-cast aluminum alloy | |
| Caster wheels | 60mm diameter polyurethane tread with nylon hub | |
| Armrest pads | Soft polyurethane padded top on height-adjustable polypropylene support | |
| Gas lift cylinder | Class 4 steel gas lift with SGS certification | |
| Retractable footrest | Steel support frame with padded mesh foot surface | |
| Mechanism chassis | 3mm thick steel synchro-tilt plate | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Mesh abrasion resistance | 50000 Martindale cycles | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | 100mm vertical seat travel via Class 4 gas lift, 360-degree swivel | |
|---|---|---|
| Recline function | Synchro-tilt with 5-position lock up to 135 degrees, adjustable tension knob | |
| Retractable footrest | Pull-out padded footrest extends 460mm from seat, tucks flush when retracted | |
| Headrest adjustment | Dual-axis 80mm height adjustment and 30-degree angle tilt | |
| Armrest adjustment | 100mm vertical height adjustment with soft padded contact surface | |
| Lumbar support | Segmented built-in lumbar zone with adaptive tension support | |
| Mobility function | 360-degree swivel and smooth rolling on 5 dual-wheel casters | |
| Tension adjustment | User-adjustable recline tension knob to match user body weight | |
| 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
| 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
| Private office workstation | Suitable for long-duration desk work with ergonomic lumbar and neck support | |
|---|---|---|
| Home office setup | Supports upright work and reclined rest positions with integrated footrest | |
| Executive workstation | Polished aluminum base and mesh construction match professional office environments | |
| Height-adjustable desk use | 520 mm seat height range coordinates with sit-stand desk height settings | |
| Open plan task seating | Breathable mesh back maintains comfort during extended 8-hour work shifts | |
| Short rest breaks | 135-degree recline and extended footrest support relaxed posture during work breaks | |
| 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 1335-1:2000 | Applies to office chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability requirements | |
| EN 1022:2018 | Applies to seating furniture stability test methods for office use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance test standards |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional stability and measurement requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair strength and durability test methods for seating | |
| GB 18584-2001 | Applies to limit of harmful substances in wooden and upholstered furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional stability and measurement requirements; 2. GB/T 10357.3-2013: Applies to office chair strength and durability test methods for seating; 3. GB 18584-2001: Applies to limit of harmful substances in wooden and upholstered furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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