What are the Most Common Industrial uses of Cotton Filter Cloth

Though there was a definite downfall in use of cotton after the widespread popularity of synthetic materials such as polyester, cotton can still win the race. Cotton is preferred for its performance, strength and versatility. Cotton filter cloths are used for making clothes used for industrial purposes. They are used for making hotel sheets, tents, tarpaulins, army uniforms and lots more. It also has special applications in medical uses; they are used for making cotton wool, gauze bandages, compresses and cotton swabs. Cotton is accepted across the world for making of cotton canvas, cotton filter paper, cotton duck and cotton filter cloth.

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• Cotton Canvas – This is a heavy yet durable cotton fabric. Cotton canvas is plain-weave and used in boat sails, tents as well as other utility products. This fabric is especially useful for making sneakers, sports gears and bags.
• Cotton Filter Paper – This variety is often used for filtering liquids by separating solid particles present in a liquid mixture. It is also used for purification. Cotton filter paper helps separating dirt from liquids to purify them. This can also used for purifying oil and water as well.
• Cotton Duck – Also known as duck canvas or duck cloth, this is a plain woven, heavy cotton fabric. It is more tightly woven than conventional cotton canvas.
• Cotton Filter Cloth – Cotton is widely used as filter cloth because it is extremely strong while providing strength to the cloth and thus ensuring longevity of cloth. Cotton filter cloth is used for making filter bags as well that are often used as dust collectors. Using cotton filter cloth as duct collector ensures that the air to be perfectly purified sans being contaminated with dust and dirt. Cotton is also used as filter sleeves.

Key Benefits of Cotton Filter Cloth

Cotton filter cloth is often used for industrial purposes owing to its durability and versatility. It has longer life in comparison to other fabrics commonly used in the industries. Cotton filter cloth may be dyed and woven. It has a number of benefits and some of them are as follows:

• Superior Quality – It is usually strong in nature. Cotton hardly breaks or loses its strength. The filter cloths last much longer naturally owing to their strength. It also ensures serving users longer than other common industrial synthetic cloth.
• Hassle Free Cleaning – Cotton filter cloth is used for purifying liquids like oil and water to remove dust and dirt from them. Therefore, there is always a chance of accumulation of dirt as a collective cake on the cloth. However, this amazing cloth allows you to clean it easily to remove the dirt cake off so you can easily reuse the cloth over and again. This is the reason that cotton is often used for manufacturing filter bag as well.
• Inexpensive – There are many filter fabrics that are used for the filtration process. They are used for filtering dirt and dust from liquids like water and oil. Among many types of filter cloths available on the market, cotton is often preferred for its cost-effective.

Cake Release

Consider how the cake is discharged from the filter. A dry cake may release differently from a sticky or slimy cake. Every type of cloth has different cake release characteristics. Some cakes may need to be released with help from a scraper blade. If a scraper blade is used to release the cake, the cloth may not need to have high cake release properties but will need to be stronger to handle abrasion from the scraper blade.

Cleanability

How clean does the filter need to be? Some processes may require the cloth to be cleaned after each cycle or during the process. How is the fabric cleaned, and what is used to clean it? A spray bar may be used to clean cloth on a filter but may also create additional abrasion and wear on a cloth.

Particle Size

Particle size is important when selecting filter cloth. Different fabrics are equipped to handle different particle sizes. If the cloth’s pores are too big, particles will pass through without being caught in the filter. If they are too small, the fabric will blind and prevent slurry from passing through. The cake that forms on the cloth often performs much of the filtering. The fabric must have the proper pore size to build a cake but still allow liquid or air to flow through. Sometimes, the fabric has a membrane adhered to it in order to handle ultrafine particles.

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Particle Size Distribution

Just as particle size is essential when selecting the right fabric, so is particle size distribution. In some applications, the particles are all about the same size. In others, large particles are mixed with fine particles. Understanding the distribution of particle size helps find the ideal cloth to use as filter media.

Sometimes, if particle size varies, the material can be processed multiple times in order to filter efficiently. The first pass will catch the largest particles on the cloth but not finer particles. The second pass will allow medium-sized particles to build a thicker cake on top of the largest particles. Additional passes catch and build up finer particles until optimal filtration efficiency is achieved. This is called recycling versus single-pass filtration.

Particle Shape

Particles can be long and stringy, round, jagged, flat, or irregular. The shape of the particles will affect how the cake builds, how it adheres to the cloth, and how much wear is put on the filter cloth.

Chemistry/Temperature

Different types of cloth are equipped to handle different chemical and temperature conditions. Most fabrics have a maximum operating temperature. Operating outside of that will damage the cloth and affect filtration efficiency. Depending on what the fabric is made of, it also may be susceptible to chemical damage. Some types of cloth have an ideal pH range. Many times, pH and temperature need to be considered in conjunction to ensure the cloth can handle the operating conditions.

Overall Load

Consider how much material is being processed. How thick does the cake need to be? How heavy is the cake? If the cloth must support all the weight of the cake, the fabric must be strong enough to handle the load of the material being processed.

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