What should you pay attention to the coating preservatives used in canning?
Coating preservative is a kind of agent with sterilization and antiseptic effect, mainly used in coatings and paints, which can prevent the degradation of microorganisms on water-based systems, and also protect the space layer in the tank through the release of formaldehyde contained in itself. What should we pay attention to when using paint preservative canning? The following points are important to note:
1, coating preservatives belong to class II corrosive chemicals, when using with protective glasses and anti-acid gloves, once splashed on the skin, to wash with a lot of water.
2. Coating preservatives are suitable for use or compatibility in pH2-9 media.
3, avoid adding sulfide, can not be in contact with oxidation, reducing substances.
In addition, when coating preservatives are stored, attention should also be paid to storing in a cool and ventilated place and sealing, so that they can be preserved for a long time. Coating preservatives added to canned coatings can quickly kill a variety of bacteria and effectively extend the shelf life of paint.
