1. What are the main components of paints and coatings? The main components of paint include the following five parts:

■ GB/T 39598 -- 2021 "Indoor Bearing Limit Guide for Wood-based Panels Based on the Limit Amount of Formaldehyde"

According to the Standard Announcement (No.3, 2021) issued by the State Administration for Market Regulation and the State Standards Commission on March 9, GB/T 39600-2021 Classification of Formaldehyde Emission of Wood-based Panels and Its Products and GB/T 39598-2021 Guidelines for Indoor Carrying Limits of Wood-based Panels Based on the Limit Amount of Formaldehyde, which are managed by the National Technical Committee for Standardization of Wood-based Panels, have been officially released and will be implemented on October 1, 2021.

What are the main ingredients of preservatives? Usually when we eat snacks, we will find that there is a small bag in each bag. In fact, it is a preservative. What is its main function?

Synthetic white latex: ethylene acetate and ethylene copolymer, is an emulsion type polymer, EVA for short, the appearance of milky white thick liquid, generally non-toxic and tasteless, no corrosion, no pollution, is a kind of water-based adhesive.

1, 2-benzoisothiazolin-3-ketone English abbreviation BIT, CAS#2634-33-5, BIT antiseptic fungicide is a new generation of non-CIT /MIT and AOX long-acting fungicide, Collier company based on the BIT active substances specially developed a variety of products and for different forms of formula products, such as: K-Bio B20,K-Bio 210,K-Bio MBS, etc. The application range is very wide,

Tianwei bactericidal, antiseptic and mildew prevention agent is developed by our company's proprietary technology. It is an efficient and broad-spectrum antimicrobial agent, which has strong killing and inhibiting effect on a variety of pathogenic microorganisms. It can be used in various kinds of resided and washed products such as cream, emulsion, shampoo, and wipes, and is widely used in oil-in-water emulsion system and water-soluble formula. Compatible with various surfactants, proteins and most cosmetic ingredients.

The temperature, pH and nutrient composition of the circulating water are all conducive to the propagation of microorganisms, and sufficient sunlight on the cooling tower is an ideal place for algae to grow. The direct flow system has no air