Cured and Uncured Filter Papers for Air Filters

Cured Filter Paper

The filter paper has not been hardened after being impregnated with Phenolic resin, which can not satisfied the stiffness requirements of filter elements. After being pleated, the filter paper will be heated for 10–15 minutes at the 150 °C temperature.

Cured filter paper is widely used to produce oil and fuel filter element of heavy trucks, auto and cars.

Uncured Filter paper

The uncured filter paper is impregnated with thermoplastic resin (generally is acrylic resin), and it needs little heating during production to guarantee the flexibility under room temperature.

Uncured filter paper is widely used to produce air filter elements of heavy trucks, auto and cars.