Since ink is composed of pigments, solvents, additives, proteins and other components, these components are important factors affecting the shelf life of ink and ink, in the process of storage or use

As early as 1952, the United States Naval Research Institute found that after studying the biological fouling system, more than 2,000 kinds of Marine organisms gathered on the surface of the polluted ship, and as the ship continued to sail, organisms continued to gather on the surface of the ship, and eventually more than 4,000 kinds of biological species increased.

Preservatives are a kind of food additives that can inhibit microbial activity and prevent food spoilage. In order to make the food have a certain storage period, certain measures must be taken to prevent the infection and reproduction of microorganisms

Cosmetic preservatives refer to substances added to cosmetics for the purpose of inhibiting the growth and reproduction of microorganisms in cosmetics. Cosmetic preservatives are classified in different ways

What is the preparation of paint preservatives? Coating preservative refers to a kind of preparation which can inhibit the microorganisms causing rot in the coating and prevent the coating from demulsification.

At present, preservatives penetrate into all aspects of our lives, for girls, it is essential to apply cosmetics every day, in fact, there are preservatives, many people will ask preservatives will be allergic to the skin? Preservative manufacturers tell you that improper use of preservatives can cause allergies? 1. Why is it important to add preservatives to cosmetics

Preservatives are a kind of food additives that can inhibit microbial activities and prevent food spoilage. To make food have a certain storage period, certain measures must be taken to prevent microbial infection and reproduction.

What are the issues to consider when using antiseptic coatings? ​

What are the ingredients of preservatives for facial masks? The allergenic preservatives contained in many facial masks refer to parabens, also commonly known as Paraben, including methyl ester, ethyl ester, propyl ester, butyl ester and many other types. It's full of preservative

Strategic measures should be taken for the application of coolant, that is, the coolant is used where it is needed, the use of environmentally friendly, safe and polluting plant oil base, and the necessary filtration, to achieve effective energy saving, economic and practical, with various degrees of adjustability, and reduce the setting time.