H13 HEPA Air Filter EN1822 Mini-Pleated - China Suppliers & Factory for Superior Air Purification Solutions
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Application Area
- 💡 Electronics Industry: Semiconductor clean rooms, LCD panel production lines, precision instrument assembly rooms (often as final filters)
- 🧬 Pharmaceutical & Bioengineering: Sterile drug production areas, vaccine production lines, laboratories, animal facilities
- 🏥 Healthcare: Hospital operating rooms, sterile wards, leukemia treatment rooms
- 🥤 Food & Beverage: Aseptic filling rooms
- 🔬 High-Requirement Research Institutions: Precision instrument rooms, aerospace clean rooms
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Key Features
🎯 High Efficiency
Extremely high filtration efficiency for particles in the 0.1–0.3 micrometer range (e.g., bacteria, virus carriers, smoke, fine dust). It is a critical final stage for creating a clean environment.
💨 Low Resistance
Under the same airflow rate, the pleatless design typically offers lower initial resistance due to more efficient media packing, leading to better energy savings.
🗂️ High Dust Holding Capacity
The optimized structure and high-quality filter media allow it to hold more dust, thereby extending its service life.
📦 Compact Size & Light Weight
Compared to separator filters with the same filtration area, they have a more compact profile and are lighter, facilitating easier installation and maintenance.
🔧 Structure Relies on Adhesive Beads
Its structural integrity depends entirely on uniform and precisely applied hot melt adhesive beads, making the manufacturing process highly demanding. Commonly used materials include glass fiber, synthetic fiber, polypropylene fiber, polyester fiber, and plant fiber. Generally, Mini-pleated HEPA filters use glass fiber.
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The Efficiency of HEPA Filter
99.9% – 99.999999%
The efficiency of currently available high-efficiency filters ranges from 99.9% to 99.999999%, and they can be selected based on specific requirements. The rational selection of filter efficiency and face velocity contributes to comprehensive economic benefits.
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Structure & Materials
- 🧵 Filter Media: Typically ultra-fine glass fiber paper. The fibers have an extremely small diameter and are densely packed, capturing particles through various mechanisms like mechanical interception, diffusion, and inertial impact.
- 🛡️ End Sealant: After folding, both ends of the filter media pack are sealed with polyurethane glue to form solid end panels, preventing unfiltered air from bypassing.
- 🔗 Hot Melt Adhesive Beads: Replace separators. They bond the filter paper at the peaks and valleys of the pleats, forming stable V-shaped channels. The shape, spacing, and uniformity of these beads directly impact the filter's performance and strength.
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Frame: Common materials include:
Galvanized Steel Most common, offering high strength and moderate cost.
Aluminum Extrusion Lightweight and corrosion-resistant, often used in high-demand environments.
Stainless Steel Used in highly corrosive or high-hygiene areas (e.g., food processing). - 🔒 Gasket: Installed around the frame perimeter to ensure an airtight seal between the filter and the housing. Common materials include closed-cell neoprene sponge, polyurethane foam, or silicone gaskets.
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Wind Speed Relationship Diagram
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Product Parameters
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Remarks: (1) Initial resistance tolerance of ± 10% (2) Support customer size
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Frequently Asked Questions (FAQ)
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What is a Mini-Pleated H13 HEPA Air Filter and how does it differ from a standard HEPA filter?
A Mini-Pleated H13 HEPA filter uses hot melt adhesive beads instead of traditional aluminum separators to maintain pleat spacing. This design results in a more compact, lightweight structure with lower airflow resistance compared to conventional separator-type HEPA filters, while still achieving H13-grade filtration efficiency (≥99.95% for 0.3µm particles).
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What filtration efficiency does the H13 HEPA filter achieve?
H13-grade HEPA filters achieve a minimum filtration efficiency of 99.95% for particles at the most penetrating particle size (MPPS), typically 0.1–0.3 micrometers. Depending on the specific product grade, overall efficiency can range from 99.9% up to 99.999999%, making them suitable for the most demanding cleanroom and sterile environments.
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What industries and environments are Mini-Pleated H13 HEPA filters most suitable for?
These filters are widely used across industries that require strict air cleanliness, including semiconductor and electronics manufacturing, pharmaceutical and bioengineering production, hospital operating rooms and sterile wards, aseptic food and beverage filling lines, and precision research or aerospace cleanrooms.
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What frame material options are available for the Mini-Pleated H13 HEPA filter?
The filter frame can be manufactured in galvanized steel (most common, high strength, moderate cost), aluminum extrusion (lightweight and corrosion-resistant, ideal for high-demand environments), or stainless steel (for highly corrosive or high-hygiene applications such as food processing facilities). Custom sizes are also supported.
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How do hot melt adhesive beads affect the performance of a Mini-Pleated HEPA filter?
Hot melt adhesive beads are the core structural element of mini-pleated filters, replacing traditional separators to maintain stable V-shaped airflow channels between pleats. The shape, spacing, and uniformity of these beads directly determine the filter's airflow resistance, dust holding capacity, and overall structural integrity. Precise application is critical to consistent performance.
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Can the Mini-Pleated H13 HEPA filter be customized to specific dimensions?
Yes, custom sizing is supported to accommodate different housing configurations and installation requirements. Customers can specify dimensions according to their system design. Initial resistance tolerance is ±10% of the rated value. Please contact the manufacturer with your specific requirements for a tailored solution.