| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 625 x 640 x 1055 mm | |
|---|---|---|
| Seat width | 490 mm | |
| Seat depth | 445 mm | |
| Maximum seat height | 505 mm | |
| Minimum seat height | 405 mm | |
| Backrest height | 560 mm | |
| Backrest width | 475 mm | |
| Armrest height above seat | 190 mm | |
| Five-star base diameter | 640 mm | |
| Total minimum chair height | 955 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 weight | 15 kg | |
|---|---|---|
| Recommended static load capacity | 120 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Cushion foam thickness | 70 mm | |
| Backrest mesh abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Recommended user height range | 180 cm | |
| Seam stitch pitch | 8 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable polyester tension mesh | |
|---|---|---|
| Backrest support frame | Reinforced black nylon/PA | |
| Seat cushion core | High-density molded polyurethane foam | |
| Seat upholstery | Woven polyester fabric | |
| Armrests | Fixed T-shaped black nylon | |
| Five-star base | Reinforced injection-molded nylon | |
| Gas lift cylinder | Steel Class 3 pneumatic cylinder | |
| Casters | 60 mm diameter polyurethane tread casters | |
| Seat support pan | 12 mm thick plywood understructure | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100 mm vertical stroke via pneumatic gas lift | |
|---|---|---|
| Swivel function | 360-degree full rotation around central axis | |
| Back recline | 125-degree maximum tilt angle with tension control | |
| Mobility | Smooth rolling on hard floors and low-pile carpet | |
| Lumbar support | Contoured fixed lumbar support zone on lower back | |
| Tilt lock | Single-position upright lock for focused work | |
| Arm support | Fixed height armrests for consistent forearm support | |
| 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 | Suitable for daily 8-hour staff desk work with basic ergonomic support | |
|---|---|---|
| Home office setup | Compact footprint fits standard home desk spaces for remote work | |
| Meeting room seating | Consistent design for conference and collaborative meeting spaces | |
| Training room deployment | Durable swivel design for short to medium duration training sessions | |
| Reception and admin areas | Professional black finish matches standard commercial office decor | |
| User profile | Suitable for users up to 120kg and 180cm tall for daily office tasks | |
| 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 work chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and durability testing | |
| EN 1335-3:2009 | Applies to office chair stability and static load testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair durability, strength and stability standards |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture seating dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 38609-2020 | Applies to ergonomic design requirements for office seating products | |
| GB 18584-2001 | Applies to indoor furniture formaldehyde emission limit testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture seating dimensional accuracy and stability testing; 2. GB/T 38609-2020: Applies to ergonomic design requirements for office seating products; 3. GB 18584-2001: Applies to indoor furniture formaldehyde emission limit testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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