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High Temperature Filter

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High Temperature HEPA Filters: 250°C - 350°C Heat-Resistant Air Filtration

Structural Integrity & Materials Science

Every high-temperature HEPA filter we manufacture is engineered to withstand rapid thermal cycling. We utilize ultra-fine, deep-pleated glass fiber media,

supported by corrugated aluminum foil separators, to maximize mechanical stability.

To ensure a 100% airtight seal, we offer two distinct sealing technologies:

Medical-Grade Red Silicone: Suitable for continuous operating environments reaching up to 250°C.

Inorganic Ceramic Bonding: Specifically designed for extreme environments reaching up to 350°C, meeting rigorous requirements for low silicon outgassing.

The filter frames are constructed from SUS304 or SUS316L stainless steel, offering exceptional resistance to oxidation and structural deformation—thereby preventing leaks in the most critical zones.

High-temp HEPA filter Applications

Our heat-resistant air filters are widely trusted in ISO Class 5 clean environments across various sectors:

Pharmaceutical pyrogen removal, batch sterilization ovens, high-precision electronics manufacturing, and related industries.

Feature Specification
Efficiency Grade H13 / H14 (EN 1822)
Frame Material SUS304 / SUS316L
Max Temperature 250°C (Silicone Seal) / 350°C (Ceramic Seal)
Separator Corrugated Aluminum Foil
Sealant High-temp Resistant Red Silicon / Inorganic Ceramic

High temp HEPA filter Package&Shipping 

The ceramic sealant used in high-temperature, high-efficiency filters is extremely fragile and highly susceptible to cracking during transit.

To mitigate the risk of micro-cracks or structural damage occurring during transportation, we equip every unit with corner protectors.

These specially designed corner guards effectively prevent the ceramic sealant from cracking. 

To ensure safety and optimal performance, this product must be installed by professionals.


If there are slight differences between the images in this manual and the actual product, please refer to the physical product.

Filter element: The core part of the filter, composed of filter paper and a partition. Avoid stress; it can easily damage the filter paper and cause scarring.

Filter paper: a special glass-fiber material used for filtration.

Partition: Aluminum foil, used for separation and support.

Outer frame: The main stress-bearing position, which is the gripping part during transportation and installation.

Sealing gasket: Sealing function, pay attention to protection during installation.

Connecting angle: Strengthen the outer frame