| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 485 x 570 x 875 mm | |
|---|---|---|
| seat height from floor | 475 mm | |
| seat width | 485 mm | |
| seat depth | 460 mm | |
| backrest height | 415 mm | |
| backrest width | 430 mm | |
| armrest height above seat | 190 mm | |
| front leg splay width | 425 mm | |
| folded storage thickness | 250 mm | |
| floor glide contact diameter | 20 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 per unit | 10 kg | |
|---|---|---|
| recommended static load capacity | 150 kg | |
| seat foam thickness | 60 mm | |
| seat foam density | 60 kg/m³ | |
| foam rebound rate | 60 % | |
| frame static load rating | 260 kg | |
| upholstery abrasion resistance | 50000 cycles | |
| available color options | 5 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| main support frame | 1.5mm thick white powder-coated steel tube | |
|---|---|---|
| backrest support frame | 22mm diameter steel tube with PA+GF internal back frame | |
| backrest upholstery | Breathable knitted polyester mesh tensioned over frame | |
| seat cushion base | Contoured PP shell with high-density molded sponge padding | |
| seat upholstery | Tear-resistant polyester fabric over sponge padding | |
| fixed armrests | Injection-molded PP/ABS integrated with frame mounting | |
| floor glides | Black non-slip rubber-tipped PP feet protecting hard floors | |
| folding hinge hardware | Zinc-plated steel pivot rivets at frame fold joints | |
| frame seam pitch (welds) | 30 mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| folding storage function | Frame folds flat to 250mm thickness for compact vertical stacking | |
|---|---|---|
| seating stability | Four-point splayed fixed leg base with no swivel or tilt for stable training use | |
| back support | Contoured mesh back provides passive lumbar support without adjustable mechanisms | |
| arm support | Fixed-height integrated armrests provide forearm support for writing and note-taking | |
| floor protection | Rubber-tipped glides prevent scratching on hard floor surfaces without rolling | |
| stacking capability | Flat-fold design allows up to 10 chairs to be stacked vertically for storage | |
| height adjustment | Fixed 475mm seat height matched to standard 750mm office desk surfaces | |
| optional accessory compatibility | Frame supports side-mounted writing tablet and caster upgrade as factory options | |
| 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
| corporate training rooms | Fixed stable design supports long-duration seated sessions for up to 150kg users | |
|---|---|---|
| conference meeting spaces | Neutral grey/white finish complements modern office interiors and stackable storage | |
| educational classroom settings | Durable steel frame and mesh upholstery withstand frequent daily use by students | |
| temporary event seating | Lightweight flat-fold design enables fast setup and takedown for seminars or recruitment events | |
| co-working open offices | Fixed armrests and standard seat height work with shared 750mm height worktables | |
| visitor waiting areas | Clean modern appearance provides comfortable guest seating without high-maintenance upholstery | |
| 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 16139:2013 Level 2 | Applies to non-domestic contract seating strength and stability for office/conference use | |
|---|---|---|
| EN 1022:2018 | Applies to seating stability determination for four-leg fixed chairs | |
| EN 1335-1:2020 | Applies to office chair dimensional requirements for ergonomic workstation use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair structural durability testing |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to desk, chair and stool dimensional tolerances for office furniture | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to chair strength and durability mechanical test methods | |
| GB 18584-2001 | Applies to formaldehyde emission limits for wood-based furniture components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to desk, chair and stool dimensional tolerances for office furniture; 2. GB/T 10357.3-2013: Applies to chair strength and durability mechanical test methods; 3. GB 18584-2001: Applies to formaldehyde emission limits for wood-based furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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