Black High-Back Mesh Ergonomic Office Chair with Adjustable Headrest and Lumbar Support (model EM-HB-MESH-01) is listed under Mesh Office Chair. Dimensions: 670 × 670 × 1320 mm. Materials: Black woven mesh stretched over a molded polymer outer frame with angular internal support ribs. Load capacity: 680 kg. Product Features: black,chair,mesh,back,high-back,ergonomic,adjustable,headrest,lumbar,support,five-star,caster,base. 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 | EM-HB-MESH-01 |
| Overall dimensions (W × D × H) | 670 × 670 × 1320 mm | Finished Seat Cushion Thickness | 90 mm |
| Backrest Padding Thickness | 70 mm | Lumbar Support Zone Height | 240 mm |
| Clear Width Between Armrests | 540 mm | Recommended user weight capacity | 136 kg |
| Static base verification load | 680 kg | Gas-lift vertical travel | 90 mm |
| Back recline range | 90 to 125 degrees | Synchronized tilt resistance | 35 to 90 kgf |
| Seat impact endurance | 100000 cycles | Caster rolling durability | 100000 cycles |
| Net weight | 16 kg | Recommended user height range | 1600 to 1900 mm |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | Backrest construction | Black woven mesh stretched over a molded polymer outer frame with angular internal support ribs |
| Seat cushion | Molded polyurethane foam with black woven fabric upholstery over a polymer or plywood seat shell | Headrest | Breathable black mesh panel in a curved polymer frame mounted on a height-adjustable support |
| Lumbar panel | Curved black mesh lumbar section attached to the back frame by a central support and side braces | Armrests | Molded black polymer fixed pads and loop-style support frames connected to the seat mechanism housing |
| Base and casters | Black nylon five-star base with five black twin-wheel polymer casters | Seat-height adjustment | Pneumatic gas lift operated by the under-seat paddle, providing 90 mm travel between 450 and 540 mm seat height |
| Recline and lock | Side lever controls recline lock while the back tilts to a 125-degree maximum position | Tilt tension control | Rotary knob under the seat adjusts recline resistance for users up to the 90 kgf test setting |
| Headrest positioning | Curved mesh headrest moves vertically through 90 mm and provides neck contact during reclined work or rest | 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 | Office workstation | Suited to desk-based computer work because it combines mesh ventilation, adjustable seat height, recline control and neck support |
| Home study or executive workspace | Fits individual workstations where a black commercial chair is needed for users from 1600 to 1900 mm tall | — | — |
| 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 × 670 × 1320 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.
| Recommended user weight capacity | 136 kg | |
|---|---|---|
| Static base verification load | 680 kg | |
| Gas-lift vertical travel | 90 mm | |
| Back recline range | 90 to 125 degrees | |
| Synchronized tilt resistance | 35 to 90 kgf | |
| Seat impact endurance | 100000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Net weight | 16 kg | |
| Recommended user height range | 1600 to 1900 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Backrest construction | Black woven mesh stretched over a molded polymer outer frame with angular internal support ribs | |
|---|---|---|
| Seat cushion | Molded polyurethane foam with black woven fabric upholstery over a polymer or plywood seat shell | |
| Headrest | Breathable black mesh panel in a curved polymer frame mounted on a height-adjustable support | |
| Lumbar panel | Curved black mesh lumbar section attached to the back frame by a central support and side braces | |
| Armrests | Molded black polymer fixed pads and loop-style support frames connected to the seat mechanism housing | |
| Base and casters | Black nylon five-star base with five black twin-wheel polymer casters |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seat-height adjustment | Pneumatic gas lift operated by the under-seat paddle, providing 90 mm travel between 450 and 540 mm seat height | |
|---|---|---|
| Recline and lock | Side lever controls recline lock while the back tilts to a 125-degree maximum position | |
| Tilt tension control | Rotary knob under the seat adjusts recline resistance for users up to the 90 kgf test setting | |
| Headrest positioning | Curved mesh headrest moves vertically through 90 mm and provides neck contact during reclined work or rest |
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.
| Office workstation | Suited to desk-based computer work because it combines mesh ventilation, adjustable seat height, recline control and neck support | |
|---|---|---|
| Home study or executive workspace | Fits individual workstations where a black commercial chair is needed for users from 1600 to 1900 mm tall |
EU Market Access Requirements* EN Standards
| EN 1335-1 office furniture dimensions | Use dimensional safety, adjustment range and ergonomic layout requirements for desk-chair procurement | |
|---|---|---|
| EN 1335-2 office furniture safety | Apply structural safety requirements including stability and strength for the chair, mechanism and base | |
| EN 1335-3 office furniture test methods | Use standardized strength, durability and stability test methods as factory acceptance references | |
| EN 1021-1 upholstered furniture ignitability | Use smouldering cigarette ignition testing for the seat fabric and foam when fire compliance is specified |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 office chairs | Use the general-purpose office chair standard for back, seat, base, arm and caster durability acceptance |
|---|
Standards applicable to China-market projects
| GB/T 10357.3 furniture strength and durability | Apply the seat and back mechanical test method for formal procurement acceptance of a task office chair | |
|---|---|---|
| GB/T 10357.2 furniture stability | Use chair rearward and sideways stability test criteria to validate the caster base and recline structure | |
| GB 17927 furniture upholstery fire safety | Specify evaluation of the fabric and foam burning behavior when public-sector fire requirements apply |
This product must meet the following technical requirements: 1. GB/T 10357.3 furniture strength and durability: Apply the seat and back mechanical test method for formal procurement acceptance of a task office chair; 2. GB/T 10357.2 furniture stability: Use chair rearward and sideways stability test criteria to validate the caster base and recline structure; 3. GB 17927 furniture upholstery fire safety: Specify evaluation of the fabric and foam burning behavior when public-sector fire requirements apply; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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