| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 660 x 1230 mm | |
|---|---|---|
| Seat width | 495 mm | |
| Seat depth | 470 mm | |
| Seat height range (to floor) | 545 mm | |
| Backrest height (from seat) | 705 mm | |
| Backrest width | 375 mm | |
| Armrest height above seat | 205 mm | |
| Seat cushion thickness | 60 mm | |
| Headrest height from floor (maximum) | 745 mm | |
| Five-star base diameter | 350 mm | |
| Caster diameter | 60 mm | |
| Armrest pad length | 220 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 static load capacity | 150 kg | |
| Gas lift cycle life | 100000 cycles | |
| Recommended user weight | 136 kg | |
| Seat foam density | 60 kg/m³ | |
| Mesh back tensile strength | 200 N/50mm | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable grey polyester mesh | |
|---|---|---|
| Seat cushion padding | 60mm thick high-density molded foam | |
| Seat upholstery | Wear-resistant grey fabric | |
| Frame construction | Reinforced grey nylon (PA+GF) | |
| Five-star base | 350mm diameter reinforced nylon | |
| Casters | 60mm diameter black PU swivel casters | |
| Gas lift | Class 3 black steel gas lift | |
| Tilt mechanism | 2.5mm thick steel center-tilt chassis | |
| Armrest pads | Soft PU padded fixed armrests | |
| Headrest padding | Curved molded foam with fabric wrap | |
| 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
| Height adjustment | 100mm vertical stroke via Class 3 gas lift | |
|---|---|---|
| Tilt function | Center-tilt recline with tension adjustment knob | |
| Recline lock | 125° maximum locked recline angle | |
| Swivel function | 360° full rotation around central gas lift stem | |
| Headrest adjustment | Height and angle adjustable curved headrest | |
| Lumbar support | Contoured segmented elastic lumbar support zone | |
| Mobility | 360° rolling on 5 dual-wheel PU casters | |
| Armrest function | Fixed-height padded armrests for forearm support | |
| 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
| Office workstation use | Suitable for 8-hour daily desk work in open-plan or private offices | |
|---|---|---|
| Home office setup | Ideal for residential home computer desks and remote workstations | |
| Conference room task seating | Suitable for meeting room task use for attendees and presenters | |
| Training room deployment | Appropriate for training facility seating with rolling mobility for reconfiguration | |
| Coworking space use | Suitable for shared coworking desk assignments with height adjustment for diverse users | |
| Study room application | Suitable for student and adult study desks for long duration reading and writing | |
| 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 for commercial use | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical strength and durability testing standards | |
| 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 safety and performance for commercial installations | |
|---|---|---|
| BIFMA X5.1 caster durability | Applies to caster rolling wear and load testing for hard/carpet floor use | |
| Caster rolling durability | 40000 cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair size and dimension verification for procurement acceptance | |
|---|---|---|
| GB/T 10357.2-2013 | Applies to office chair mechanical stability testing for commercial use | |
| GB/T 10357.3-2013 | Applies to office chair seat and back strength and durability testing | |
| GB 28007-2011 | Applies to office chair gas lift safety requirements for commercial furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair size and dimension verification for procurement acceptance; 2. GB/T 10357.2-2013: Applies to office chair mechanical stability testing for commercial use; 3. GB/T 10357.3-2013: Applies to office chair seat and back strength and durability testing; 4. GB 28007-2011: Applies to office chair gas lift safety requirements for commercial furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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