| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (max adjustment) | 630 x 700 x 1220 mm | |
|---|---|---|
| Seat width | 470 mm | |
| Seat depth | 460 mm | |
| Seat height adjustment range (max) | 540 mm | |
| Backrest height | 570 mm | |
| Headrest height | 60 mm | |
| Armrest height above seat | 190 mm | |
| Seat cushion thickness | 70 mm | |
| 5-star base diameter | 700 mm | |
| Total chair height (minimum adjustment) | 1120 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
| Recommended user weight capacity | 159 kg | |
|---|---|---|
| Chair net weight | 21 kg | |
| Caster rolling durability | 100000 cycles | |
| Seat foam density | 50 kg/m³ | |
| Back mesh abrasion resistance | 100000 Martindale cycles | |
| Warranty period | 5 years | |
| Available color options | 4 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | 100% breathable polyester mesh | |
|---|---|---|
| Seat cushion core | High-density molded polyurethane foam | |
| Seat upholstery | Wear-resistant polyester fabric | |
| Armrest pads | PU soft-touch padded surface | |
| Gas lift column | QPQ-treated steel | |
| 5-star base | Polished chrome-plated steel | |
| Casters | 60mm dual-wheel nylon + PU | |
| Internal seat frame | 2.5mm thick stamped steel | |
| Back frame | Reinforced polypropylene with steel core | |
| Headrest padding | 20mm thick foam with mesh cover | |
| Seam stitch pitch | 3mm per stitch | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotating seat and back via central gas lift swivel mechanism | |
|---|---|---|
| Seat height adjustment | 100mm vertical travel via gas lift lever | |
| Backrest tilt function | 135° recline with single-position tilt lock | |
| Headrest adjustment | 60mm vertical travel with 45° angle tilt | |
| Lumbar support | Contoured fixed ergonomic lumbar zone | |
| Waterfall seat edge design | Rounded front seat edge to reduce leg pressure | |
| Smooth rolling mobility | Dual-wheel casters for carpet and hard floor use | |
| 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
| Corporate office workstations | Suitable for 8+ hour daily desk work with ergonomic lumbar support | |
|---|---|---|
| Home office setups | Fits standard 760 mm height office desks for remote work | |
| Conference room seating | Adjustable height accommodates varied table heights for meeting use | |
| Co-working shared spaces | Durable construction supports high-turnover shared user environments | |
| Computer desk and study areas | Breathable mesh back suitable for extended study or gaming sessions | |
| Executive private offices | Professional polished base design fits formal executive office decor | |
| 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 performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and durability test methods | |
| EN 1335-3:2009 | Applies to office chair stability and safety test criteria |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and durability requirements | |
|---|---|---|
| Base static load test rating | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture dimensional accuracy and stability requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair mechanical strength and durability test methods | |
| GB 18584-2001 | Applies to furniture formaldehyde emission limits for indoor use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture dimensional accuracy and stability requirements; 2. GB/T 10357.3-2013: Applies to office chair mechanical strength and durability test methods; 3. GB 18584-2001: Applies to furniture formaldehyde emission limits for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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