| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 1235 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 480 mm | |
| Seat height adjustment range maximum | 540 mm | |
| Backrest height | 530 mm | |
| Headrest height adjustment maximum | 205 mm | |
| Armrest height above seat | 195 mm | |
| Five-star base tip-to-tip width | 680 mm | |
| Headrest width | 310 mm | |
| Backrest frame internal width | 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
| Recommended user weight capacity | 150 kg | |
|---|---|---|
| Five-star base static load rating | 1000 kg | |
| Net weight | 15 kg | |
| Gas lift adjustment cycles | 100000 | |
| Tilt mechanism durability cycles | 100000 | |
| Mesh abrasion resistance | 50000 Martindale cycles | |
| 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 | Tensioned slatted polyester mesh | |
|---|---|---|
| Seat cushion core | 45kg/m³ high-density molded polyurethane foam | |
| Seat upholstery | Woven polyester fabric over foam | |
| Back frame | Reinforced PP with fiberglass additive | |
| Armrests | Fixed curved PP armrests with smooth matte finish | |
| Headrest | Curved padded foam headrest with fabric wrap | |
| Five-star base | Reinforced nylon five-star base | |
| Gas lift | Class 3 black steel gas lift with 85mm stroke | |
| Casters | 60mm diameter mute PU swivel casters | |
| Tilt mechanism | 2.5mm thick steel butterfly lock mechanism | |
| Seam stitch pitch | 8 stitches per inch | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Gas lift operated via side lever, 85mm vertical travel | |
|---|---|---|
| Headrest adjustment | Height-adjustable padded headrest with 205mm vertical travel | |
| Tilt function | Backrest recline with 125° maximum angle and lockable positions | |
| Swivel function | 360° full rotation around central gas lift axis | |
| Mobility | Smooth rolling on five dual-wheel casters for hard and soft floors | |
| Lumbar support | Integrated contoured lumbar zone built into mesh back frame | |
| Tilt tension control | Knob-adjustable tension to match user weight for recline resistance | |
| Seat edge design | Waterfall front seat edge to reduce leg pressure | |
| 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 plan office workstations | Fits standard 760 mm desk height for daily task work | |
|---|---|---|
| Home office setups | Compact footprint suitable for residential workspace layouts | |
| Conference room seating | Ergonomic support for 2 hour meetings and collaborative work | |
| Cubicle task seating | Adjustable height accommodates diverse user body types in shared spaces | |
| Administrative staff work areas | Durable construction supports 8-hour daily commercial use | |
| Student study spaces | Breathable mesh back maintains comfort during long study sessions | |
| 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 and general safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and stability testing | |
| EN 1335-3:2009 | Applies to office chair test method verification procedures |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and durability requirements | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-user weight capacity testing for office seating | |
| Caster rolling durability cycles | 100000 |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional measurement and tolerance requirements | |
|---|---|---|
| GB 28007-2011 | Applies to safety and stability requirements for office seating | |
| GB/T 10357.3-2013 | Applies to mechanical performance test methods for chairs and stools |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional measurement and tolerance requirements; 2. GB 28007-2011: Applies to safety and stability requirements for office seating; 3. GB/T 10357.3-2013: Applies to mechanical performance test methods for chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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