High-Back Mesh Ergonomic Office Chair with Headrest and Adjustable Arms (model EM-HB-GM-01) is listed under Mesh Office Chair. Dimensions: 670 × 660 × 1300 mm. Materials: Gray woven mesh stretched over a framed contoured back, visible as a ventilated elastic support surface; yarn type needs BOM confirmation.. Load capacity: 1136 kg. Product Features: ergonomic,high-back,chair,mesh,back,headrest,adjustable,armrests,swivel,base,black,and,gray. 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-GM-01 |
| Overall dimensions (W × D × H) | 670 × 660 × 1300 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 | 150 kg |
| Net weight | 17 kg | Seat foam density | 45 kg/m3 |
| Seat foam thickness | 80 mm | Back mesh tensile acceptance target | 900 N |
| Gas-lift class | Class 4 | Caster rolling durability target | 100000 cycles |
| Base static load verification target | 1136 kg | Seat-front edge load rating | 750 N |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | Backrest upholstery | Gray woven mesh stretched over a framed contoured back, visible as a ventilated elastic support surface; yarn type needs BOM confirmation. |
| Headrest | Curved gray mesh-faced pillow attached by a black central bracket; internal padding and adjustment hardware need supplier BOM confirmation. | Seat cushion | Black upholstered foam cushion on a molded support shell; fabric weave, foam density and flame rating require supplier BOM confirmation. |
| Armrests | Black fixed-height T-shaped supports with molded flat arm pads; plastic or nylon construction is inferred from visible finish. | Back frame | Black molded outer frame supporting the mesh panel; impact-resistant PP or PA/PP construction is inferred and requires BOM confirmation. |
| Five-star base and casters | Black molded five-star base with five twin-wheel swivel casters; nylon or glass-filled nylon base and caster material need BOM confirmation. | Height adjustment | Pneumatic seat-height lift through a 90 mm stroke using the right-side lever under the seat. |
| Back recline | Synchro-tilt mechanism provides a 15-degree backrest recline with seat synchronized movement and tension control. | Locking control | Multi-position tilt lock secures the chair at upright or selected reclined positions through the under-seat lever cluster. |
| Swivel and mobility | 360-degree swivel seat and five twin-wheel casters enable movement on hard floors and low-pile carpet. | Carton dimensions | 680 x 630 x 720 mm |
| 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 | Office workstation use | Suitable for desk-based staff, engineers and administrators requiring ventilated back support, swivel movement and 540 mm desk-height compatibility. |
| Meeting or home-office use | Appropriate for prolonged computer work in private offices, open workstations and home offices where a headrest and recline function are required. | — | — |
| 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 × 660 × 1300 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 | 150 kg | |
|---|---|---|
| Net weight | 17 kg | |
| Seat foam density | 45 kg/m3 | |
| Seat foam thickness | 80 mm | |
| Back mesh tensile acceptance target | 900 N | |
| Gas-lift class | Class 4 | |
| Caster rolling durability target | 100000 cycles | |
| Base static load verification target | 1136 kg | |
| Seat-front edge load rating | 750 N | |
| 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 upholstery | Gray woven mesh stretched over a framed contoured back, visible as a ventilated elastic support surface; yarn type needs BOM confirmation. | |
|---|---|---|
| Headrest | Curved gray mesh-faced pillow attached by a black central bracket; internal padding and adjustment hardware need supplier BOM confirmation. | |
| Seat cushion | Black upholstered foam cushion on a molded support shell; fabric weave, foam density and flame rating require supplier BOM confirmation. | |
| Armrests | Black fixed-height T-shaped supports with molded flat arm pads; plastic or nylon construction is inferred from visible finish. | |
| Back frame | Black molded outer frame supporting the mesh panel; impact-resistant PP or PA/PP construction is inferred and requires BOM confirmation. | |
| Five-star base and casters | Black molded five-star base with five twin-wheel swivel casters; nylon or glass-filled nylon base and caster material need BOM confirmation. |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Height adjustment | Pneumatic seat-height lift through a 90 mm stroke using the right-side lever under the seat. | |
|---|---|---|
| Back recline | Synchro-tilt mechanism provides a 15-degree backrest recline with seat synchronized movement and tension control. | |
| Locking control | Multi-position tilt lock secures the chair at upright or selected reclined positions through the under-seat lever cluster. | |
| Swivel and mobility | 360-degree swivel seat and five twin-wheel casters enable movement on hard floors and low-pile carpet. |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| Carton dimensions | 680 x 630 x 720 mm | |
|---|---|---|
| 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 |
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Office workstation use | Suitable for desk-based staff, engineers and administrators requiring ventilated back support, swivel movement and 540 mm desk-height compatibility. | |
|---|---|---|
| Meeting or home-office use | Appropriate for prolonged computer work in private offices, open workstations and home offices where a headrest and recline function are required. |
EU Market Access Requirements* EN Standards
| EN 1335-1 suitability | Use office-furniture dimensions and safety terms to verify seat-height range, clearance and stability geometry. | |
|---|---|---|
| EN 1335-2 suitability | Apply safety test requirements for office work chairs, including stability, strength and caster integrity. | |
| EN 1335-3 suitability | Apply structural and durability test methods for back, seat, armrests, base and mechanism verification. | |
| EN 1021-1 suitability | Request cigarette-ignition upholstery resistance test data if cigarette-smolder fabric compliance is required. |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 Office Chair suitability | Use the office-chairs standard for static, dynamic, impact, stability, back and arm verification during procurement testing. | |
|---|---|---|
| ANSI/BIFMA e3 suitability | Request multi-attribute sustainability documentation, including material content and emissions, if the purchasing program requires it. |
Standards applicable to China-market projects
| GB/T 10357.3 suitability | Apply strength and durability test methods for seating furniture to back, arm, leg and fatigue verification before acceptance. | |
|---|---|---|
| GB/T 24821 suitability | Use general technical requirements for metal furniture when inspecting the lift column, mechanism and metal fasteners. | |
| GB 18584 suitability | Request indoor-furniture limits for formaldehyde and other hazardous substances for any wood-based or upholstered components. |
This product must meet the following technical requirements: 1. GB/T 10357.3 suitability: Apply strength and durability test methods for seating furniture to back, arm, leg and fatigue verification before acceptance.; 2. GB/T 24821 suitability: Use general technical requirements for metal furniture when inspecting the lift column, mechanism and metal fasteners.; 3. GB 18584 suitability: Request indoor-furniture limits for formaldehyde and other hazardous substances for any wood-based or upholstered components.; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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