What is acid-proof and alkali-proof finishing of fabrics?

Many engaging in a very chemical industry need to wear such work outfits with anti -acid -alkali treatment, so the fabric needs to be treated with acid -alkali and alkali.

The anti-acid and anti-alkali finishing agent is a fluorine-containing compound. Due to the small intermolecular force of this compound, this fluorine-containing compound moves from the inside to the surface in the solution, requiring less tension than hydrocarbons. This results in strong surface adsorption and very low surface tension. It is for this reason that acid and alkali resistant finishing agents have the ability to resist acids and alkali.

Anti-acid and anti-alkali finishing of fabrics mainly uses anti-acid and anti-alkali finishing agents. Through dipping or padding process and then high-temperature baking, a protective film layer invisible to the naked eye is formed on the surface of the fabric to increase the surface tension of the fabric. Significantly reduced, due to the surface tension of the liquid and the interaction between the liquid and the solid, the acid and alkali liquid forms beads on the surface of the fabric, making it impossible or difficult to penetrate into the interior within a certain period of time, or rolling off the surface of the fabric directly.

The protective principle of acid-proof and alkali-proof protective clothing is to use acid- and alkali-resistant finished fabrics, which isolate the human body from acid-alkali liquids or their aerosols, and use filtering materials to neutralize acid-base aerosols and protect the respiratory tract. and oral cavity. The principle of fabric protection against acid and alkali is to change the properties of the fabric fiber surface through post-finishing process.

Fabrics treated with acid-proof and alkali-proof finishing agents can generally withstand the corrosion of concentrated hydrochloric acid, concentrated sulfuric acid, nitric acid, and high-concentration alkali. The fabric will not be damaged and can completely pass the requirements of GB24540-2009!

Acid and alkali proof customer test report:

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