| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 590 x 640 x 1060 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 440 mm | |
| Adjustable seat height | 510 mm | |
| Backrest height | 570 mm | |
| Backrest inner width | 460 mm | |
| Armrest height above seat | 180 mm | |
| Five-star base diameter | 700 mm | |
| Seat thickness | 80 mm | |
| Caster diameter | 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 chair weight | 15 kg | |
|---|---|---|
| Recommended user weight capacity | 120 kg | |
| Gas lift cycle durability | 120000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Five-star base static load capacity | 1136 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 40% | |
| Standard product warranty | 3 years | |
| Available color options | 1 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Tensioned breathable polyester mesh over nylon frame | |
|---|---|---|
| Back support structure | Integrated molded nylon lumbar support frame | |
| Seat cushion core | 45kg/m³ high-density molded PU foam | |
| Seat upholstery | Wear-resistant polyester fabric over foam pad | |
| Armrests | Fixed curved PP armrests with padded top surface | |
| Seat support board | 12mm thick plywood inner support panel | |
| Five-star base | Reinforced black nylon five-prong base | |
| Gas lift | Steel Class 3 pneumatic cylinder with black finish | |
| Casters | 60mm diameter black PU dual-wheel swivel casters | |
| Mechanism chassis | 2.5mm thick steel tilt mechanism with powder coat | |
| Seam stitch pitch | 8 mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | Pneumatic seat height adjustment with 100mm stroke via under-seat lever | |
|---|---|---|
| Swivel function | 360-degree full rotation at seat-base swivel junction | |
| Tilt function | Synchro-tilt rocking with adjustable tension and single-position lock | |
| Tilt lock angle | 12 degree maximum recline angle for backrest tilt | |
| Mobility function | Smooth rolling on hard floors and low-pile carpet via PU casters | |
| Lumbar support | Fixed contoured integrated lumbar support aligned to lower back | |
| Armrest function | Fixed-height curved armrests for forearm support during seated work | |
| Upholstery breathability | Mesh back allows continuous airflow to reduce back heat buildup | |
| 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
| Open office workstations | Compact footprint fits standard 1200mm desk stations for daily staff use | |
|---|---|---|
| Home office setups | Breathable mesh back suitable for extended seated work in residential spaces | |
| Conference room seating | Fixed armrests and professional finish suit meeting room guest seating | |
| Training room layouts | Swivel and mobility features support easy movement during training sessions | |
| Cubicle employee seating | Standard ergonomic dimensions fit 90th percentile adult users for full shifts | |
| Reception visitor areas | Neutral black color matches most commercial office interior design schemes | |
| 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 1335-1:2020 | Applies to office chair dimensional safety and ergonomic requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability performance | |
| EN 1335-3:2009 | Applies to office chair structural and mechanical test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair durability and safety requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair seat and back strength and durability testing | |
| GB 18584-2001 | Applies to formaldehyde emission limits for furniture components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional accuracy and stability testing; 2. GB/T 10357.3-2013: Applies to office chair seat and back strength and durability testing; 3. GB 18584-2001: Applies to formaldehyde emission limits for furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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