| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 690 x 1000 mm | |
|---|---|---|
| Five-star base diameter | 660 mm | |
| Backrest width | 460 mm | |
| Backrest height | 460 mm | |
| Seat width (arm-to-arm) | 580 mm | |
| Seat depth | 390 mm | |
| Maximum seat height from floor | 530 mm | |
| Maximum armrest height from floor | 660 mm | |
| Minimum seat height from floor | 430 mm | |
| Knee clearance under seat | 430 mm | |
| Caster diameter | 55 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 static load capacity | 250 kg | |
|---|---|---|
| Chair net weight | 14 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam thickness | 40 mm | |
| Seat cushion foam thickness | 60 mm | |
| Seam stitch pitch | 8 stitches per 30mm | |
| PU upholstery abrasion resistance | 50000 Martindale cycles | |
| Warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer side shell | White molded polypropylene panel with smooth matte finish | |
|---|---|---|
| Seat and back upholstery | Orange PU faux leather with stitched edge detailing | |
| Seat internal support board | 12 mm thick multi-layer plywood | |
| Seat and back padding | High-density polyurethane foam with 40% rebound rate | |
| Five-star base | 1.5 mm thick chrome-plated steel with polished finish | |
| Gas lift cylinder | Class 3 chrome-plated steel, 50 mm tube diameter, 100 mm stroke | |
| Tilt mechanism plate | 2.5 mm thick stamped steel with tension adjustment | |
| Casters | 55 mm diameter black nylon dual-wheel casters | |
| Armrests | Integrated molded PP structure wrapped in matching PU upholstery | |
| 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 operated by side lever, 100 mm vertical stroke | |
|---|---|---|
| 360-degree swivel | Full rotation around central gas lift axis for multi-directional access | |
| Seat tilt function | 12-degree rear tilt with adjustable tension and single-position lock | |
| Mobility | Five dual-wheel casters enable smooth rolling on standard office floors | |
| Fixed integrated armrests | Wrap-around design provides 580 mm between armrests for forearm support | |
| Height range suitability | Accommodates users 1850 mm tall for standard desk work | |
| Upright back support | 460 mm tall padded back provides mid-back lumbar support for seated tasks | |
| 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 workstation use | Low-profile design suitable for open-plan desk task work without visual obstruction | |
|---|---|---|
| Conference/meeting room seating | Slim silhouette and neutral two-tone finish fit professional meeting room layouts | |
| Home office workspace | Compact footprint fits small home desk setups for remote work use | |
| Visitor/reception seating | Modern aesthetic matches front office reception areas for guest seating | |
| Executive private office use | Polished chrome and contrast color design suit contemporary executive desk setups | |
| 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 chair safety requirements | EN 1335:2020 | |
|---|---|---|
| Office chair strength/durability | EN 1335:2018 | |
| Office chair stability | EN 1335:2009 |
US and Canada office-furniture standards
| Office chair general purpose | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster durability testing | ANSI/BIFMA X2017Clause 17 |
Standards applicable to China-market projects
| Office chair stability | GB/T 10357.2 | |
|---|---|---|
| Chair strength and durability | GB/T 10357.3 | |
| Upholstery leather performance | GB/T 16799 | |
| Formaldehyde emission limits | GB 18580 |
This product must meet the following technical requirements: 1. Office chair stability: GB/T 10357.2; 2. Chair strength and durability: GB/T 10357.3; 3. Upholstery leather performance: GB/T 16799; 4. Formaldehyde emission limits: GB 18580; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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