| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 625 x 1020 mm | |
|---|---|---|
| Backrest dimensions | 480 mm W x 550 mm H | |
| Seat dimensions | 560 mm front W x 510 mm D | |
| Seat height adjustment range (floor to seat) | 510 mm | |
| Armrest height above seat | 175 mm | |
| Armrest height from floor | 685 mm | |
| Five-star base caster tip-to-tip diameter | 660 mm | |
| Seat to backrest top vertical distance | 550 mm | |
| Armrest span between inner edges | 490 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 product weight | 13 kg | |
|---|---|---|
| Maximum recommended user weight | 136 kg | |
| Seat foam density | 50 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Chrome five-star base static load capacity | 1000 kg | |
| Upholstery abrasion resistance | 100000 cycles | |
| Caster rolling durability | 300000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Black PU leather, 1.0mm thickness | |
|---|---|---|
| Seat internal support board | 20 mm thick molded plywood | |
| Seat padding | High-density polyurethane foam, 50kg/m³ density | |
| Backrest padding | High-density polyurethane foam, 35kg/m³ density | |
| Armrest support structure | 1.5mm thick chrome-plated steel | |
| Armrest top pads | Black PU leather padded caps, 20mm thickness | |
| Five-star base | 2.0mm thick chrome-plated steel, polished finish | |
| Gas lift cylinder | Class 3 BIFMA-certified steel, chrome finish | |
| Tilt mechanism plate | 2.5mm thick steel, black powder coat finish | |
| Casters | 50mm diameter dual-wheel PU/nylon casters, black | |
| 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
| Seat height adjustment | Pneumatic Class 3 gas lift, 60mm stroke | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central gas lift axis | |
| Tilt function | Butterfly mechanism with tension adjustment, 12-degree max recline | |
| Tilt lock | Locks in upright position for formal conference use | |
| Caster mobility | Smooth rolling on hard floors and low-pile carpet | |
| Fixed arm support | Rigid chrome arms with padded tops for forearm rest | |
| 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
| Conference and meeting rooms | Formal mid-back design for short-to-medium duration meetings | |
|---|---|---|
| Private office workstations | Adjustable height for standard 760 mm desk use | |
| Visitor and guest seating | Polished chrome and black finish matches modern office decor | |
| Training room seating | Swivel and caster design allows easy movement between stations | |
| Reception and waiting areas | Compact footprint fits small reception spaces | |
| Home office workspaces | Adjustable features support home computer and desk work | |
| 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
| Office furniture office chair safety | EN 1335:2020 | |
|---|---|---|
| Office furniture office chair stability | EN 1335:2018 | |
| Office furniture upholstered furniture resistance | EN 14465:2005 |
US and Canada office-furniture standards
| Office chair general purpose test standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Gas lift performance requirement | ANSI/BIFMA X5.1 Clause 8 | |
| Base and caster load requirement | ANSI/BIFMA X5.1 Clause 12 |
Standards applicable to China-market projects
| Office chair safety structural requirement | GB/T 3326 | |
|---|---|---|
| Furniture mechanical performance test | GB/T 10357.3 | |
| Upholstered furniture formaldehyde limit | GB 18584 |
This product must meet the following technical requirements: 1. Office chair safety structural requirement: GB/T 3326; 2. Furniture mechanical performance test: GB/T 10357.3; 3. Upholstered furniture formaldehyde limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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