| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 680 x 680 x 1140 mm | |
|---|---|---|
| Seat height adjustment range | 550 mm | |
| Seat pan width | 500 mm | |
| Seat pan depth | 480 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest height (seat pan to top edge) | 580 mm | |
| Backrest width (widest point) | 470 mm | |
| Armrest height adjustment range | 70 mm | |
| Five-star base diameter | 350 mm | |
| Caster diameter | 65 mm | |
| Gas lift cylinder diameter | 50 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 assembled chair weight | 15 kg | |
|---|---|---|
| Recommended static user weight capacity | 150 kg | |
| Five-star base static load test capacity | 1000 kg | |
| Seat foam density | 35 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Backrest mesh abrasion resistance (Martindale) | 50000 cycles | |
| Caster rolling durability cycles | 100000 cycles | |
| Standard warranty period for components | 3 years | |
| Available standard color options | 3 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support frame | Fiberglass-reinforced PP plastic | |
|---|---|---|
| Backrest upholstery | Three-layer breathable polyester mesh | |
| Integrated lumbar support pad | Molded foam wrapped in matching mesh | |
| Seat pan internal support | 12 mm thick molded plywood board | |
| Seat cushion padding | High-density molded polyurethane foam | |
| Seat upholstery cover | Stain-resistant woven polyester fabric | |
| Armrest support posts | Reinforced light grey nylon | |
| Armrest contact pads | Soft-touch TPU padded surface | |
| Five-star base | Glass-fiber reinforced light grey nylon | |
| Tilt mechanism chassis | 2.5 mm thick powder-coated steel | |
| Gas lift cylinder | Chrome-plated steel Class 3 pneumatic lift | |
| Rolling casters | Dual-wheel PU with black/white housing |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central swivel joint between seat and gas lift | |
|---|---|---|
| Pneumatic seat height adjustment | 130 mm vertical travel controlled by side lever for desk height matching | |
| Height-adjustable T-style armrests | 70 mm vertical travel with push-button lock to match elbow rest height | |
| Backrest recline tilt function | 130 degree maximum recline angle from upright seated position | |
| Tilt tension adjustment | Red front control knob adjusts resistance to match user body weight | |
| Tilt position lock | Red side control lever locks backrest in upright working position | |
| Integrated contoured lumbar support | Fixed ergonomic curve aligned to natural lumbar spine position | |
| Dual-wheel caster mobility | Smooth rolling on both hard floors and low-pile carpet without surface damage | |
| Weight-activated tilt response | Chassis automatically adjusts initial tilt resistance based on user weight | |
| Tilt mechanism mounting plate thickness | 2.5 mm | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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 | Provides ergonomic support for 6+ hour daily desk work for general staff | |
|---|---|---|
| Home office computer setups | Compact footprint fits small home desk spaces without sacrificing adjustability | |
| Conference and meeting rooms | Swivel and tilt functions support collaboration during long meetings | |
| Co-working shared workspaces | Durable construction and adjustable features suit multiple users of varying heights | |
| Administrative and reception areas | Professional aesthetic matches front-desk and administrative workspace design | |
| Student dormitory study areas | Affordable ergonomic support for long study sessions at standard study desks | |
| 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 strength requirements for commercial use | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair stability, static load, and durability performance testing | |
| EN 1022:2018 | Applies to seating furniture stability testing for all office chair types |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety, durability, and performance requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture chair dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 10357.2-2013 | Applies to chair backrest static load and fatigue performance testing | |
| GB/T 10357.3-2013 | Applies to chair seat static load and impact durability testing | |
| GB 28007-2011 | Applies to fire safety requirements for upholstered office furniture components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture chair dimensional accuracy and stability testing; 2. GB/T 10357.2-2013: Applies to chair backrest static load and fatigue performance testing; 3. GB/T 10357.3-2013: Applies to chair seat static load and impact durability testing; 4. GB 28007-2011: Applies to fire safety requirements for upholstered office furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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