| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 560 x 660 x 1030 mm | |
|---|---|---|
| Seat width | 495 mm | |
| Seat depth | 450 mm | |
| Seat cushion thickness | 80 mm | |
| Maximum seat height (floor to seat top) | 510 mm | |
| Minimum seat height (floor to seat top) | 410 mm | |
| Backrest width | 445 mm | |
| Backrest height | 565 mm | |
| Armrest height above seat | 210 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Seat height adjustment stroke | 100 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 maximum user weight | 136 kg | |
|---|---|---|
| Net product weight | 15.4 kg | |
| Tilt angle range | 12 degrees | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 40% | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Caster rolling durability | 40000 cycles | |
| Seam stitch pitch | 8 mm | |
| Base static load capacity | 1136 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.5 mm thick black PU faux leather | |
|---|---|---|
| Seat and back padding | High-density cold-cured polyurethane foam | |
| Internal seat support | 18 mm thick curved plywood panel | |
| Armrest structure | Polished chrome-plated steel cantilever frame | |
| Armrest top pad | Black polyurethane hard pad | |
| Five-star base | Polished chrome-plated steel 5-leg swivel base | |
| Gas lift cylinder | Class 3 steel pneumatic cylinder with chrome finish | |
| Tilt mechanism | 2.5 mm thick steel locking chassis with tension knob | |
| Casters | 60 mm diameter black nylon dual-wheel casters | |
| 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
| Seat height adjustment | Pneumatic gas lift adjusts seat height 100 mm via right-side lever | |
|---|---|---|
| 360-degree swivel | Full 360-degree horizontal rotation enabled by central swivel joint | |
| Tilt function | Synchronized seat and back tilt up to 12 degrees with upright lock position | |
| Tilt tension adjustment | Under-seat rotary knob adjusts tilt resistance to match user weight | |
| Fixed armrest support | Cantilever chrome armrests provide fixed 210 mm arm support above seat | |
| Mobile rolling | Dual-wheel casters enable smooth rolling on carpet and hard floor surfaces | |
| Height lock | Gas lift automatically locks at selected height when adjustment lever is released | |
| 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 | Suitable for long-duration desk work at standard 760 mm height desks | |
|---|---|---|
| Home office spaces | Fits small home work areas with 1.4 m wide desks without excess bulk | |
| Conference and meeting rooms | Polished chrome and black PU finish matches formal business meeting interiors | |
| Reception and front desk areas | Professional formal appearance suitable for guest and staff reception seating | |
| Private manager offices | Mid-back support and professional finish appropriate for entry-level manager workspaces | |
| Training room seating | Mobile castered design allows easy reconfiguration between training 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 | Office work chair dimensions, safety and strength requirements for work use | |
|---|---|---|
| EN 1335-2:2018 | Office chair safety requirements for structural performance and stability | |
| EN 1335-3:2009 | Office chair test methods for verifying mechanical safety compliance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chair standard for static, dynamic and durability performance testing |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal seat support panel | |
|---|---|---|
| GB/T 22800-2009 | Office chair mechanical performance test methods for structural durability verification | |
| GB 28007-2011 | Office chair strength, stability and durability requirements for commercial use |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal seat support panel; 2. GB/T 22800-2009: Office chair mechanical performance test methods for structural durability verification; 3. GB 28007-2011: Office chair strength, stability and durability requirements for commercial use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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