| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (WxDxH, seat at highest position) | 600 x 600 x 1080 mm | |
|---|---|---|
| Seat height adjustment range (lowest to highest) | 550 mm | |
| Seat width (usable surface) | 480 mm | |
| Seat depth (usable surface) | 450 mm | |
| Backrest height (from seat surface to top edge) | 420 mm | |
| Backrest width (at widest point) | 460 mm | |
| Four-star polished aluminum base prong span (tip to tip) | 640 mm | |
| Gas lift column diameter | 50 mm | |
| Floor glide pad dimensions (per unit) | 40 x 20 mm | |
| Seat foam thickness (at center cushion) | 80 mm | |
| Backrest foam thickness (at center lumbar zone) | 60 mm | |
| Bent wood side trim thickness | 12 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 maximum user weight capacity | 150 kg | |
|---|---|---|
| Net weight per assembled unit | 12 kg | |
| Swivel rotation range | 360 degrees | |
| Floor suitability | Hard flooring (wood, tile, vinyl, polished concrete) | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Gas lift static load rating | 150 kg | |
| Base static load capacity (vertical) | 1136 kg | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | White PU/faux leather upholstery, 1.2 mm thickness | |
|---|---|---|
| Seat and back padding | High-density molded polyurethane foam | |
| Side trim and shell structure | Bent plywood with natural light oak veneer finish | |
| Seat/back inner support frame | 1.5 mm thick cold-rolled steel inner frame | |
| Central height-adjustment column | Polished chrome-plated steel pneumatic gas lift cylinder | |
| Four-star base structure | Polished die-cast aluminum, 5 mm wall thickness at prongs | |
| Floor protection glides | Black injection-molded nylon with non-marking TPE contact pad | |
| Height adjustment lever | Black reinforced nylon lever with steel actuation cable | |
| Stitching detail | Matching thread with 8 mm seam pitch | |
| Mechanism plate (under seat) | 2.5 mm thick pressed steel tilt/height plate | |
| 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
| Pneumatic seat height adjustment | Right-side under-seat lever controls 160 mm vertical travel to adjust seat height between 390 mm and 550 mm | |
|---|---|---|
| Stationary floor positioning | Four anti-slip glides keep chair fixed in position without rolling, suited for conference or desk use on hard floors | |
| Ergonomic mid-back support | Contoured backrest aligned to support lumbar region for upright seated working posture | |
| Armless access design | No protruding armrests allows unobstructed movement and easy tucking under desk surfaces when not in use | |
| Non-marking floor protection | TPE-tipped glides prevent scratches and scuffs on polished hard floor surfaces | |
| Low-maintenance upholstery | Smooth PU/faux leather surface can be wiped clean with a damp cloth for easy upkeep in office environments | |
| 360-degree swivel rotation | Central precision bearing between seat and gas lift column allows full 360-degree rotation without lateral play for easy workstation access | |
| Ergonomic mid-back lumbar support | Contoured backrest aligned to support the 3rd to 5th lumbar vertebrae for upright seated working posture during 8-hour work sessions | |
| 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
| Packaging configuration | 1 chair per carton, knock-down assembly (base and column packed separately from upholstered seat/back assembly) | |
|---|---|---|
| Carton external dimensions (single unit pack) | 680 x 650 x 610 mm | |
| Gross weight per packed unit | 13 kg | |
| Packaging volume per unit (CBM) | 0.271 CBM | |
| Assembly time per unit | 30 minutes | |
| 20GP container loading quantity | 192 units | |
| 40HQ container loading quantity | 468 units | |
| Packaging protection materials | 5-layer corrugated carton, EPS foam corner protection, PE bag wrapping for upholstered components | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Home office workspaces | Compact armless profile fits small desk areas and home workstations without occupying excess floor space | |
|---|---|---|
| Corporate conference and meeting rooms | Modern streamlined silhouette with polished aluminum and wood trim complements contemporary meeting room interiors | |
| Open-plan office task seating | Height adjustment accommodates users of varying heights for flexible desk sharing in open office environments | |
| Executive and private office guest seating | White upholstery and light wood finish creates a clean, professional appearance for visitor seating in private offices | |
| Co-working and shared workspace environments | Wipe-clean upholstery and durable aluminum base withstands frequent multi-user daily use in shared spaces | |
| Hard-floored interior spaces | Non-marking glides eliminate the risk of roller scuffs and scratches on hardwood, tile and polished concrete floors | |
| 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 | Office furniture - Office work chairs - Part 1: Dimensions, applicable for validating ergonomic seating dimension compliance | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, applicable for structural safety performance requirements | |
| EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods, applicable for conducting safety and durability verification tests |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office Chairs - Safety and Performance Standard, applicable for commercial office seating durability and load testing including base, gas lift and seat/back static/dynamic load tests |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Furniture - Tables, chairs and stools for office use - Determination of dimensions of seating, applicable for verifying dimensional consistency with office seating requirements | |
|---|---|---|
| GB/T 10357.2-2013 | Test of mechanical properties of furniture - Strength and durability of chair seats and backs, applicable for structural performance validation | |
| GB/T 10357.3-2013 | Test of mechanical properties of furniture - Strength and durability of chair backs and armrests, applicable for backrest structural validation (no armrests present on this model) | |
| GB 18584-2001 | Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde and heavy metal limits on bent plywood components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Furniture - Tables, chairs and stools for office use - Determination of dimensions of seating, applicable for verifying dimensional consistency with office seating requirements; 2. GB/T 10357.2-2013: Test of mechanical properties of furniture - Strength and durability of chair seats and backs, applicable for structural performance validation; 3. GB/T 10357.3-2013: Test of mechanical properties of furniture - Strength and durability of chair backs and armrests, applicable for backrest structural validation (no armrests present on this model); 4. GB 18584-2001: Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde and heavy metal limits on bent plywood components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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