What is the chemical resistance of polypropylene FDY filament?

polypropylene FDY filament has good chemical resistance, which is as follows:

Strong acid and alkali resistance: polypropylene FDY filament has high stability to acid, alkali and other chemical substances. It can resist the erosion of acid substances such as concentrated hydrochloric acid, phosphoric acid, formic acid and acetic acid at room temperature, and can also resist the action of strong alkali solutions such as sodium hydroxide and potassium hydroxide. This is because there is no functional group in the molecular chain structure of polypropylene that is easy to be attacked by acids and alkalis, making polypropylene FDY filament less prone to chemical reactions in acid and alkali environments, and its performance is more stable.

Resistance to other chemicals: In addition to acids and bases, polypropylene FDY wire also has a good tolerance to many organic solvents, salt solutions, etc. For example, it does not dissolve or significantly swell in organic solvents such as alcohols, ketones, and esters, and can also maintain stable performance in some salt solutions. This characteristic makes polypropylene FDY silk in the chemical industry, printing and dyeing industries can be used to make filter materials in contact with various chemical substances, protective supplies.

However, the chemical resistance of polypropylene FDY silk is not absolute. Under certain conditions such as high temperatures, high concentrations of chemicals, and prolonged exposure, its performance may be affected. For example, at high temperatures, polypropylene FDY wire may be corroded in strong oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid.

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Ningbo Dazhong Chemical Fiber Industry Co., Ltd. long-term production and management: PP yarn, polypropylene filament, PP FDY yarn, polyester staple fiber, polypropylene full draft wire, polypropylene POY yarn, polyester POY yarn.