| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 590 x 640 x 1115 mm | |
|---|---|---|
| Backrest width | 470 mm | |
| Backrest height | 600 mm | |
| Seat width | 500 mm | |
| Seat depth | 550 mm | |
| Seat height range (floor to seat top) | 535 mm | |
| Seat cushion thickness | 65 mm | |
| Armrest height above seat | 210 mm | |
| Armrest horizontal length from back | 450 mm | |
| Five-star base diameter | 640 mm | |
| Overall armrest height (floor to arm top) | 745 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 | 20 kg | |
|---|---|---|
| Recommended maximum user weight | 125 kg | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Tilt mechanism cycle rating | 60000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 40% | |
| Available color options | 1 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.0 mm thick black PU faux leather | |
|---|---|---|
| Seat and back padding | 65 mm thick high-density polyurethane foam | |
| Armrest frames | 1.5 mm thick chrome-plated steel cantilever frames | |
| Armrest pads | Padded black PU surface mounted to steel frames | |
| Five-star base | 2.0 mm thick polished chrome-plated steel five-leg base | |
| Gas lift cylinder | 50 mm diameter chrome-plated steel Class 3 pneumatic lift | |
| Tilt mechanism | 2.5 mm thick steel butterfly tilt plate with tension adjustment | |
| Casters | 60 mm diameter dual-wheel black nylon PU-coated casters | |
| Internal seat pan | 12 mm thick multi-layer plywood support under cushion | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 100 mm vertical travel via Class 3 gas lift, stepless lock | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central gas lift axis for multi-direction access | |
| Tilt and lock function | 12 degree backward seat-back tilt with infinite position lock and tension control | |
| Omnidirectional caster mobility | Dual-wheel casters roll freely on hard floors and low-pile carpet | |
| Fixed cantilever arm support | Fixed height armrests provide 210 mm arm support above seat surface | |
| Waterfall seat edge design | Curved front seat edge reduces leg pressure during extended seated use | |
| Stitched backrest detailing | Horizontal stitched seam on backrest adds structural and aesthetic definition | |
| 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 workspace | Mid-back executive design suitable for managers and individual desk users | |
|---|---|---|
| Open plan office task seating | Compact footprint fits standard workstation desk layouts | |
| Conference room meeting seating | Formal upholstered appearance supports professional meeting room settings | |
| Home office workspace | Rolling swivel function and height adjustment suit home desk setups | |
| Reception or visitor waiting areas | Padded seat and back provide comfortable short-term seating for guests | |
| Commercial co-working spaces | Durable caster and mechanism design suits high-frequency shared use | |
| 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 dimensional safety and functional requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to structural stability and mechanical performance requirements | |
| EN 1335-3:2009 | Applies to test methods for verifying office chair safety and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general purpose office chair performance and safety testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-user rated office chair load capacity testing |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional accuracy and stability testing for office seating | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical strength and durability testing for office chairs | |
| GB 20210-2006 | Applies to anti-tipping safety requirements for upholstered office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional accuracy and stability testing for office seating; 2. GB/T 10357.3-2013: Applies to mechanical strength and durability testing for office chairs; 3. GB 20210-2006: Applies to anti-tipping safety requirements for upholstered office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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