Filter cloths are made of myriad yarn compositions,
such as polyester, polypropylene, cotton, nylon, interweaved with
monofilaments, multi-filaments, spun thread, or collective yarns to render the
perfect filtration elucidation for the filtering of liquids or other diverse
applications. Also involves alkaline or acidic situations at high temperatures.
These fabrics are basically hand-created in the sewing section. Here are some
of the several types of filter cloths and their properties.
Cotton Filter Cloth
The cotton filter cloth swells in alkali solutions
for a better gasket effect during filtration. Ordinary cotton cloths are apt
for neutral filter pulp under 100°C for acid filtration up to 20°C and alkali
solution under 10°C. However, cotton filter cloth is also eco-friendly as there
is no generation of pollutions and poisoned substances to the filtration.
Nylon Filter Cloth
Nylon filter cloth has the perfect resistance to
rubbing in contrast to the other three frequently used filter fabrics, such as
polypropylene, polyester, and cotton. It is usually utilized in filtration
applications of dust and wet solids that are scraping cloth. Hence, rubbing
resistance plays an essential factor. The Nylon filter cloth is mainly used in
mining, ceramics, metallurgy, as well as wastewater treatment. This cloth has
excellent abrasion resistance and high tensile strength as well.
Polyester Filter Cloth
The polyester filter cloth is popular for its
strongest acid resistance and excellent resistance properties against elevated
temperature up to 150°C. Besides, surface finishes can be calendared, singed,
and heat set, each of which has its own property and purpose. It has high
tensile strength and a long life span.
Polypropylene Filter Cloth
Polypropylene is another popular material provided
by China filter cloth supplier. Polypropylene has strong resistance to
alkali and acid alike. A satin finish is also added to the fiber permit for
easy cake release. Polypropylene is considered the best choice for a wide range
of applications.
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