Maddocks Group

Industrial Filter Division

1-800-263-8660

(905) 549-9626
sales@maddocksgroup.com

663 Woodward Avenue
Hamilton, Ontario, Canada L8H 6P3


Polyester Felt

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Recommended continuous operation temperature: 275 degrees F
Maximum (short time) operation temperature: 275 degrees F
Supports combustion: Yes
Biological resistance (bacteria, mildew): No Effect
Resistance to alkalis: Fair
Resistance to mineral acids: Fair +
Resistance to organic acids: Fair
Resistance to oxidizing agents: Good
Resistance to organic solvents: Good
Available weights: 12 - 22 oz.
Polyester Felt


Polypropylene Felt

Recommended continuous operation temperature: 190 degrees F
Maximum (short time) operation temperature: 210 degrees F
Supports combustion: Yes
Biological resistance (bacteria, mildew): Excellent
Resistance to alkalis: Excellent
Resistance to mineral acids: Excellent
Resistance to organic acids: Excellent
Resistance to oxidizing agents: Good
Resistance to organic solvents: Excellent
Available weights: 12 - 18 oz.
Polypropylene Felt


Felt-Duo Density

Recommended continuous operation temperature: 210 degrees F
Maximum (short time) operation temperature: 225 degrees F
Supports combustion: Yes
Biological resistance (bacteria, mildew): Good
Resistance to alkalis: Good
Resistance to mineral acids: Good
Resistance to organic acids: Good
Resistance to oxidizing agents: Good
Resistance to organic solvents: Good
Available weights: 12 - 18 oz.
Felt Duo Density


High Temperature Material: (Aramid)

Recommended continuous operation temperature: 350 degrees F
Maximum (short time) operation temperature: 400 degrees F
Supports combustion: No
Biological resistance (bacteria, mildew): No Effect
Resistance to alkalis: Good
Resistance to mineral acids: Fair
Resistance to organic acids: Fair +
Resistance to oxidizing agents: Poor
Resistance to organic solvents: Good
Available weights: 12 - 22 oz.
High Temperature Material: (Aramid)


High Temperature Material: P84 (R) Felt Polyimide

Recommended continuous operation temperature: 475 degrees F
Maximum (short time) operation temperature: 500 degrees F
Supports combustion: No
Biological resistance (bacteria, mildew): No Effect
Resistance to alkalis: Fair
Resistance to mineral acids: Good +
Resistance to organic acids: Good +
Resistance to oxidizing agents: Good +
Resistance to organic solvents: Excellent
Available weights: 14 - 18 oz.
High Temperature Material: P84 (R) Felt Polyimide


High Temperature Material: Ryton (R) Felt / PPS

Recommended continuous operation temperature: 375 degrees F
Maximum (short time) operation temperature: 400 degrees F
Supports combustion: No
Biological resistance (bacteria, mildew): No Effect
Resistance to alkalis: Excellent
Resistance to mineral acids: Excellent
Resistance to organic acids: Excellent
Resistance to oxidizing agents: Fair
Resistance to organic solvents: Excellent
Available weights: 16 - 18 oz.
High Temperature Material: Ryton (R) Felt / PPS

Click here to download this chart