{"id":780,"date":"2026-10-02T13:12:16","date_gmt":"2026-10-02T05:12:16","guid":{"rendered":"https:\/\/anchor-filter.com\/high-temperature-filter-media\/"},"modified":"2026-10-05T11:24:25","modified_gmt":"2026-10-05T03:24:25","slug":"%ea%b3%a0%ec%98%a8-%ed%95%84%ed%84%b0-%eb%af%b8%eb%94%94%ec%96%b4","status":"publish","type":"page","link":"https:\/\/anchor-filter.com\/ko\/high-temperature-filter-media\/","title":{"rendered":"\uace0\uc628 \ud544\ud130 \uc5ec\uacfc\uc7ac"},"content":{"rendered":"\t\t
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High-Temperature Filter Media: What Works Above 260\u00b0C<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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What Is Filter Media?<\/strong><\/h2>\n

Filter media is the material layer that actually captures particles in a filter \u2014 the felt, fabric, paper, mesh or ceramic body that dust collects on, while the housing and cage only hold it in place. Media choice, not housing choice, sets the temperature ceiling of the whole filter.<\/p>\n

If your gas stream runs hotter than 260\u00b0C, the usual baghouse media \u2014 polyester, PPS, aramid, even PTFE \u2014 is already past its continuous limit, and the specification shifts to high temperature filter media<\/strong>: treated fiberglass, sintered metal, or ceramic fiber. This page compares those options and shows where ceramic fiber fits.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Temperature Limits of Common Filter Media<\/strong><\/h2>\n\n\n\n
Filter media<\/th>\nContinuous temperature<\/th>\nWatch out for<\/th><\/tr><\/thead>\n
Polyester (PET)<\/td>130\u00b0C<\/td>Hydrolyzes in hot, humid gas<\/td><\/tr>\n
Acrylic<\/td>125\u00b0C<\/td>Moist industrial gases only<\/td><\/tr>\n
PPS<\/td>190\u00b0C<\/td>Coal and biomass flue gas workhorse<\/td><\/tr>\n
Aramid (Nomex)<\/td>200\u00b0C<\/td>Degraded by SOx and moisture<\/td><\/tr>\n
P84 \/ PTFE membrane<\/td>250\u2013260\u00b0C<\/td>Chemically inert; incineration duty<\/td><\/tr>\n
Fiberglass (treated)<\/td>240\u2013280\u00b0C<\/td>Sensitive to flex fatigue<\/td><\/tr>\n
Sintered metal fiber<\/td>400\u2013600\u00b0C<\/td>Heavy, higher pressure drop<\/td><\/tr>\n
Ceramic fiber (Anchor)<\/strong><\/td>600\u00b0C continuous \/ 1000\u00b0C peak<\/strong><\/td>Rigid, self-supporting; catalytic DeNOx option<\/td><\/tr>\n<\/tbody><\/table>\n

Read the table as a boundary map. Below 260\u00b0C, fabric media wins on cost and nothing else needs discussing. Between 260\u00b0C and 400\u00b0C the choice depends on gas chemistry and duty cycle. Above 400\u00b0C \u2014 kilns, furnaces, incinerators, hot process gas \u2014 ceramic fiber filter media<\/strong> is the practical answer for dust-laden flue gas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Ceramic Fiber as a High Temperature Filter Media<\/strong><\/h2>\n

Anchor’s ceramic fiber filter media is a rigid tube vacuum-formed from alumina-silica fiber (Al\u2082O\u2083 + SiO\u2082 > 90%) with a porosity above 80% and a density of 350\u2013400 kg\/m\u00b3. Because the filter body itself is the barrier \u2014 not a dust cake on fabric \u2014 collection efficiency stays above 99.9% independent of the cleaning cycle, and outlet dust holds below 5 mg\/Nm\u00b3.<\/p>\n

The media is supplied in three forms: the non-catalytic ceramic fiber filter tube<\/a> for pure high-temperature dedusting; the catalytic ceramic fiber filter<\/a>, which carries a DeNOx catalyst inside the tube wall and removes NOx and dioxins while it filters; and custom candle geometries from \u03a660 to \u03a6150 mm and up to 3,000 mm long to match existing tubesheets.<\/p>\n

Standard elements run at 300 Pa initial pressure drop at 1 m\/min face velocity, with acid and alkali resistance and thermal shock resistance built into the alumina-silica body. Service life is more than 5 years, covered by a 5-year written warranty.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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How to Clean High Temperature Filter Media<\/strong><\/h2>\n

Fabric media is cleaned by flexing the cloth so the dust cake cracks off \u2014 which is exactly what destroys it at high temperature. Rigid ceramic media cannot flex, so it is cleaned by a short, hard pulse-jet: 0.4\u20130.7 MPa of dry, oil-free compressed air delivered in 0.1\u20130.15 seconds, triggered by differential pressure rather than a timer.<\/p>\n

Because the ceramic body is the barrier, cleaning does not trade efficiency for pressure drop: performance after a pulse is the same as before it. The working principle of ceramic fiber filtration<\/a> page covers the pulse-jet design in detail.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Choosing the Media for Your Gas Stream<\/strong><\/h2>\n

The decision inputs are always the same four: continuous temperature, dust loading, gas chemistry, and moisture. Send us those four numbers and we will tell you honestly whether ceramic fiber media is the right choice \u2014 including the cases where it is not. Start with the filter element selection guide<\/a>, or send your gas data for a media recommendation<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Frequently Asked Questions<\/h2>

What is filter media?<\/h3>

Filter media is the material layer inside a filter that actually captures particles \u2014 the felt, fabric, mesh or ceramic body that dust collects on. Everything else in the system (housing, cage, tubesheet, fan) exists to support the media. Media choice sets the temperature ceiling, efficiency and service life of the whole filter, which is why media selection comes first in any high-temperature specification.<\/p>

How do you clean filter media at high temperature?<\/h3>

Above fabric limits the media must be rigid and cleanable in place. Ceramic fiber filter media is cleaned by short pulse-jet bursts of 0.4\u20130.7 MPa compressed air, 0.1\u20130.15 seconds long, triggered by differential pressure. The rigid body does not flex, so cleaning removes the surface dust layer without stressing the media \u2014 and efficiency stays above 99.9% regardless of the cleaning cycle.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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