What is the MAX temperature an air filter can stand

If you want to find out what the maximum use temperature of an air filter is, I will give you a detailed introduction here.

First of all, you need to figure out what are the differences in design compared to the normal temperature type. This can be very effective in helping you make the right choice. The most intuitive thing is that you will find that high-temperature air filters have a circle of red or white glue, while normal-temperature air filters do not. This is the most important thing to notice.


Red silicone gel and white ceramic glue

Max temp of an air filter

Normal temperature air filters are made of polyurethane AB two-component glue to seal the filter, but it can only be used at ambient temperatures. Red silicone can be used at temperatures up to 300 degrees Celsius. White ceramic glue can maintain good working conditions at up to 400 degrees Celsius.


Then the answer is that the maximum use temperature of a high-efficiency air filter is 400 degrees Celsius. You can choose the red silicone type or the white ceramic type.


Because white ceramic glue is more expensive and the production process is more cumbersome, red silicone is more commonly used, unless 400 degrees Celsius is necessary.

Silicone sealant

Ceramic sealant

SealantMaximum Degrees CelsiusMaximum Degrees FahrenheitColor
Silicone200°C-250°C-300°C ( 3 options material )392°F-482°F-572°F ( 3 options material )Red
Ceramic350°C-400°C ( 2 options material )662°F-752°F ( 2 options material )White or gray

Red silicone gasket and glassfiber gasket

Compared with normal temperature air filters, the sealing strip of high-temperature resistant design is also different. The neoprene material is used at normal temperature, which will soften at 100 degrees Celsius.


Sealing strips made of red silicone can withstand up to 500 degrees Celsius, while glass fibers can withstand more than 600 degrees, which makes them suitable for this application.

Silicone strip

Glassfiber strip

If you are looking for some high temperature air filter, kindly contact us we will offer you corresponding solution and product quotation.

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