High-Back Mesh Ergonomic Office Chair with Headrest and Aluminum Base (model EOCH-MESH-HB-AL5) is listed under Mesh Office Chair. Dimensions: 670 × 680 × 1280 mm. Materials: Black flexible woven mesh over a black molded outer frame; visual material class requires supplier BOM confirmation. Load capacity: 1020 kg. Product Features: black,mesh,ergonomic,high-back,adjustable,headrest,height-adjustable,arms,polished,aluminum,base,swivel,task,chair. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Brand | FENGGUAN | Model | EOCH-MESH-HB-AL5 |
| Overall dimensions (W × D × H) | 670 × 680 × 1280 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 | 18.5 kg |
| Recommended user weight | 136 kg | Seat static load verification target | 1020 kg |
| Backrest cyclic test target | 120000 cycles | Seat-slide and tilt-mechanism cycles | 100000 cycles |
| Caster rolling durability | 100000 cycles | Gas-lift cycles | 100000 cycles |
| Foam seat density | 45 kg/m3 | Foam indentation hardness | 55 N |
| Seating capacity | 1 person | Back and headrest mesh | Black flexible woven mesh over a black molded outer frame; visual material class requires supplier BOM confirmation |
| Seat cushion | Upholstered black seat with foam core and flexible outer shell; foam grade and fabric content are not labeled | Internal seat frame | 12 mm molded plywood or glass-filled nylon seat pan supported by a steel mechanism plate |
| Back frame | Black glass-filled nylon or PP outer frame with integrated shoulder and lumbar contour zones | Armrests | Height-adjustable black plastic arm caps on black steel or alloy posts with release triggers |
| Base | Polished die-cast aluminum five-star base with five outward legs and caster sockets | Seat height adjustment | Pneumatic right-hand lever raises or lowers the seat through an 80 mm stroke from 450 to 530 mm |
| Synchronized recline | Multi-position synchro-tilt mechanism links seat and back movement, with a 15-degree maximum back recline and tension control | Back angle lock | Recline lock engages in 4 positions from upright to fully reclined using the under-seat control lever |
| Headrest adjustment | Center-post headrest provides 80 mm height change and a 25-degree tilt for neck support | 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 | Primary workplace use | Individual workstations, executive desks, and home offices requiring ventilated back support, swivel access, and 510 mm seat width |
| Commercial installation use | Open offices, meeting rooms, and shared desk zones where black upholstery, aluminum base, and twin casters support daily rotation | — | — |
| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 670 × 680 × 1280 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
Data source: Product performance data; verify exact test conditions before procurement.
| Net weight | 18.5 kg | |
|---|---|---|
| Recommended user weight | 136 kg | |
| Seat static load verification target | 1020 kg | |
| Backrest cyclic test target | 120000 cycles | |
| Seat-slide and tilt-mechanism cycles | 100000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Gas-lift cycles | 100000 cycles | |
| Foam seat density | 45 kg/m3 | |
| Foam indentation hardness | 55 N | |
| Seating capacity | 1 person |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Back and headrest mesh | Black flexible woven mesh over a black molded outer frame; visual material class requires supplier BOM confirmation | |
|---|---|---|
| Seat cushion | Upholstered black seat with foam core and flexible outer shell; foam grade and fabric content are not labeled | |
| Internal seat frame | 12 mm molded plywood or glass-filled nylon seat pan supported by a steel mechanism plate | |
| Back frame | Black glass-filled nylon or PP outer frame with integrated shoulder and lumbar contour zones | |
| Armrests | Height-adjustable black plastic arm caps on black steel or alloy posts with release triggers | |
| Base | Polished die-cast aluminum five-star base with five outward legs and caster sockets |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seat height adjustment | Pneumatic right-hand lever raises or lowers the seat through an 80 mm stroke from 450 to 530 mm | |
|---|---|---|
| Synchronized recline | Multi-position synchro-tilt mechanism links seat and back movement, with a 15-degree maximum back recline and tension control | |
| Back angle lock | Recline lock engages in 4 positions from upright to fully reclined using the under-seat control lever | |
| Headrest adjustment | Center-post headrest provides 80 mm height change and a 25-degree tilt for neck support |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| 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 |
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Primary workplace use | Individual workstations, executive desks, and home offices requiring ventilated back support, swivel access, and 510 mm seat width | |
|---|---|---|
| Commercial installation use | Open offices, meeting rooms, and shared desk zones where black upholstery, aluminum base, and twin casters support daily rotation |
EU Market Access Requirements* EN Standards
| EN 1335-1 | Dimensional safety and ergonomic requirements for office swivel chairs | |
|---|---|---|
| EN 1335-2 | Safety requirements for office swivel chairs including structural stability | |
| EN 1335-3 | Test methods for office swivel chairs, including strength, durability, and stability | |
| EN 1021-1 and EN 1021-2 | Upholstered seating ignitability tests for smouldering cigarette and match flame |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 | Office chairs standard covering back, seat, base, arm, caster, stability, and cyclic durability tests |
|---|
Standards applicable to China-market projects
| GB/T 10357.2 | Test method for furniture mechanical properties covering chair and stool stability | |
|---|---|---|
| GB/T 10357.3 | Test method for chair and stool strength and durability under repeated loading | |
| GB 17927 | Safety requirement for upholstered furniture against harmful substances in foam and textile components | |
| GB/T 24430.2 | Indoor leisure and office seating durability considerations for adjustable task-chair construction |
This product must meet the following technical requirements: 1. GB/T 10357.2: Test method for furniture mechanical properties covering chair and stool stability; 2. GB/T 10357.3: Test method for chair and stool strength and durability under repeated loading; 3. GB 17927: Safety requirement for upholstered furniture against harmful substances in foam and textile components; 4. GB/T 24430.2: Indoor leisure and office seating durability considerations for adjustable task-chair construction; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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