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Heat shrinkable finishing can be used to increase the compactness and strength of nonwovens(white fused alumina). For nonwovens containing natural fibers, wet shrinkage can be carried out by hot water bath or by steam. Then squeeze and dry in a relaxed state. The dimensional stability and strength of the fabric can be improved after heat shrinkable finishing(green silicon carbide). Calendering is carried out between two steel rollers with adjustable spacing.

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The purpose of this paper is to make the thickness of nonwovens uniform and meet the requirements of certain thickness(white aluminum oxide). The fiber of nonwoven filter material after vacuum cleaning can absorb dust in the process of filtration. Therefore, such a filter medium is very suitable for cement industry(black silicon carbide). At present, woven fabrics can be plain, twill, satin structure. The coating material of filter nonwovens is poly (tetrachloroethylene).

(cheap white corundum sand manufacturers brazil)The heating temperature of the rollers is below the fiber melting point, and the maximum rolling surface pressure can reach round fresh(white corundum). This calendering method is suitable for filter materials, electrical insulation materials and other products. Singeing finishing is to burn off the surface fiber of nonwovens with gas, so as to obtain the nonwovens with smooth surface(aluminum oxide abrasive). The equipment used is open width dryer, rotary dryer, etc.

This method is mainly used for dust or dry filtration of nonwovens(brown fused alumina price). The purpose of vacuum finishing is to increase the adsorption of dust on nonwovens, artificial leather, which is mainly used as filter materials of nonwovens. The key to dust collection and finishing is to use antistatic agent, hygroscopic agent and paraffin emulsion to impregnate nonwovens(aluminum oxide grit). It is best to use both oily and hydrophilic dust collimating agents.(cheap white corundum sand manufacturers brazil)

In order to improve the original function of fabrics and fibers, or to give them new functions, a layer of chemical materials can be coated on the surface of fabrics or fiber materials(black aluminum oxide). Coated fabric is a composite textile material. The strength and other properties of coated fabric can be improved by using appropriate coating polymer formula(synthetic corundum). It can be used for coated fabrics and fibers, organic fabrics, knitted fabrics and nonwovens.

(cheap white corundum sand manufacturers brazil)Coating and lamination of nonwovens(pink aluminum oxide). The advantages of nonwovens can be brought into full play by laminating technology. In addition to nonwovens, laminated materials are also organic fabrics and knitted fabrics. Therefore, this kind of structure can maximize the pollution capacity per unit area and prolong the working life of the medium(emery abrasive). Nonwovens can be stitched fabrics, spunbonded fabrics and needle punched fabrics.

The properties of coated fabric are affected by fiber type, yarn linear density and weaving form(silicon carbide abrasive). Among them, the structure of yarn and fabric affects the durability of coating, and different fiber types also have different mechanical adhesion and chemical adhesion(aluminum oxide 30 or 40 grit). Even the same kind of synthetic fiber, due to the use of staple yarn or filament yarn, the coated fabric with different mechanical properties will be obtained.