| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 670 x 700 x 1005 mm | |
|---|---|---|
| Five-star caster base diameter | 700 mm | |
| Seat usable width | 480 mm | |
| Seat usable depth | 550 mm | |
| Seat height adjustment range (floor to seat) | 525 mm | |
| Backrest width | 410 mm | |
| Backrest height above seat surface | 505 mm | |
| Armrest total span width | 670 mm | |
| Armrest height above seat surface | 155 mm | |
| Armrest height above floor (max seat height) | 670 mm | |
| Seat underside knee clearance | 525 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 | 20 kg | |
|---|---|---|
| Maximum static user weight capacity | 150 kg | |
| Recommended daily use duration | 8 hours | |
| Caster rolling durability rating | 40000 cycles | |
| Seat foam indentation load deflection | 45 kg | |
| Back foam indentation load deflection | 35 kg | |
| Seat static load test capacity | 1136 kg | |
| Base static load test capacity | 1136 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Front-facing upholstery (seat, inner back, arm tops) | 1.2mm thick two-tone camel brown PU leather, abrasion resistance 50000 cycles | |
|---|---|---|
| Back and arm outer side upholstery | 1.0mm thick dark taupe PU leather, color-matched to frame accents | |
| Seat cushion padding | 80mm thick high-density polyurethane foam, 45kg/m³ density, 40% rebound rate | |
| Backrest padding | 50mm thick high-density polyurethane foam, 35kg/m³ density, 45% rebound rate | |
| Internal support frame | 1.5mm thick welded steel tube frame, powder-coated black for corrosion resistance | |
| Five-star base | 2.0mm thick polished chrome-plated steel, bright mirror finish, 350mm leg radius | |
| Gas lift cylinder | Class 3 chrome-plated steel, 50mm outer diameter, 100mm stroke, SGS-certified grade | |
| Tilt mechanism | 3.0mm thick steel plate synchro-tilt chassis, black powder-coated finish | |
| Armrest core structure | Integral molded polypropylene inner frame, fully upholstered to match seat finish | |
| Casters | 50mm diameter black polyurethane twin-wheel casters, hard floor and carpet compatible | |
| Seam construction | Reinforced nylon stitching, 8mm stitch pitch, edge piping for wear resistance | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift operated by side lever, 60mm vertical travel between lowest and highest position | |
|---|---|---|
| Swivel function | 360-degree full rotation around central gas lift axis with no lock restriction | |
| Tilt function | Synchro-tilt mechanism allowing 12-degree backward recline of seat and back, tension adjustable via under-seat knob | |
| Tilt lock function | Multi-position tilt lock that secures recline angle at user-selected upright or reclined positions | |
| Mobility function | Five dual-wheel casters enabling omnidirectional rolling across hard floors and low-pile carpet | |
| Fixed arm support | Integrated non-adjustable padded armrests providing forearm support aligned with standard desk height | |
| Lumbar support | Contoured mid-back shaping providing built-in lumbar support aligned with natural lower back curve | |
| 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
| Private office workstations | Suitable for manager and executive desks, providing 8-hour seated support for daily work | |
|---|---|---|
| Conference and meeting rooms | Appropriate for boardroom and meeting table use, matching contemporary commercial office decor | |
| Home office spaces | Suitable for residential study and home work setups, balancing professional appearance and comfort | |
| Open plan task areas | Appropriate for front office and shared workstations, with durable easy-clean upholstery | |
| Reception and visitor areas | Suitable for guest seating in reception zones, with polished chrome finish for professional presentation | |
| 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 task seating | |
|---|---|---|
| EN 1335-2:2020 | Applies to office chair mechanical safety test methods and performance criteria | |
| EN 1022:2018 | Applies to chair stability testing for domestic and commercial seating products |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety, durability and structural performance requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional, physical and mechanical performance testing requirements | |
|---|---|---|
| GB/T 10357.2-2013 | Applies to chair stability and static/dynamic load test methods for office seating | |
| GB 28007-2011 | Applies to upholstered furniture formaldehyde emission limits for office seating materials |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional, physical and mechanical performance testing requirements; 2. GB/T 10357.2-2013: Applies to chair stability and static/dynamic load test methods for office seating; 3. GB 28007-2011: Applies to upholstered furniture formaldehyde emission limits for office seating materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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