| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 640 x 620 x 1040 mm | |
|---|---|---|
| Seat width | 485 mm | |
| Seat depth | 500 mm | |
| Seat height adjustment range (top of seat to floor) | 530 mm | |
| Backrest height | 650 mm | |
| Five-star base diameter | 340 mm | |
| Armrest height above seat | 220 mm | |
| Caster diameter | 60 mm | |
| Minimum seat height (top of seat to floor) | 430 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 per unit | 9 kg | |
|---|---|---|
| Recommended user weight capacity | 136 kg | |
| Five-star base static load rating | 1000 kg | |
| Seat cushion foam density | 40 kg/m³ | |
| Caster rolling durability rating | 100000 cycles | |
| Warranty period | 3 years | |
| Available color options | 2 | |
| 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 | Tensioned grey breathable polyester mesh | |
|---|---|---|
| Backrest frame | Glass-fiber reinforced light grey polypropylene | |
| Seat cushion padding | 40mm high-density polyurethane foam | |
| Seat support base | 12mm thick plywood inner shell | |
| Seat upholstery | Woven grey fabric with stain-resistant finish | |
| Armrests | Light grey PP frame with padded PU top surface | |
| Five-star base | Reinforced light grey nylon (polyamide) | |
| Casters | Dual-wheel soft PU with black/white housing | |
| Gas lift cylinder | 50mm diameter black steel Class 3 pneumatic lift | |
| Tilt mechanism plate | 2.5mm thick cold-rolled steel with black powder coat | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel function | Full rotation around central gas lift axis | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel via side activation lever | |
| Tilt recline function | 12-degree backward tilt with red tension adjustment knobs | |
| In-position tilt lock | Locks backrest in upright working position | |
| Integrated lumbar support | Fixed curved support zone aligned to lower back | |
| Rolling mobility | Smooth movement on hard floors and low-pile carpet | |
| Fixed armrest support | Stable non-adjustable arm support for desktop typing | |
| Gas lift stroke length | 100 mm | |
| 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 and rolling mobility suit shared desk environments | |
|---|---|---|
| Home office setups | Neutral grey finish and ergonomic support fit residential workspaces | |
| Conference/meeting rooms | Upright support and easy swivel suit group meeting use | |
| Call center/telework stations | Breathable mesh back supports long-duration seated shifts | |
| Co-working shared spaces | Durable construction and easy cleaning suit multi-user environments | |
| 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 task chair dimensional and safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical performance and strength testing | |
| EN 1335-3:2009 | Applies to office chair stability and structural safety verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and durability standards |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture dimensional stability and clearance requirements | |
|---|---|---|
| GB/T 10357.2-2013 | Applies to chair mechanical strength and durability test methods | |
| GB/T 10357.3-2013 | Applies to chair backrest strength and tilt fatigue testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture dimensional stability and clearance requirements; 2. GB/T 10357.2-2013: Applies to chair mechanical strength and durability test methods; 3. GB/T 10357.3-2013: Applies to chair backrest strength and tilt fatigue testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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