One piece of literature says that antioxidants are all weak reducing agents. Why not strong reducing agents? Aren’t strong reducing agents more …

Performance indexes of pigment color paste and its influence on coatings 1、Color of pigment The color of pigment is the result of selective absorption…

Properties of color pastes and their influence on coatings I. Coloring power The coloring power of pigment refers to the ability to show the color sha…

In-depth analysis | silicone-free vs silicone, shampoo actually how to choose? In recent years, the concept of silicone-free shampoo has become more a…

Scope and Labeling of Food Additives Definition of Food Additives The Food Safety Law of the People’s Republic of China stipulates that food add…

How to choose colorants for nylon? Colorants are divided into two categories: pigments and dyes, of which pigments are divided into inorganic pigments…

Research on the application of MDI in slow resilient polyurethane block foam 1. Preface As we all know, polyurethane slow rebound foam is also called …

Dye basics: identification of dyes Introduction It is difficult to identify the type of dyestuff on textiles with naked eyes, and it must be determine…

Dye Basics: Sulfur Dyes Introduction Sulfur dyes are a class of sulfur-containing dyes with a complex molecular structure. Generally made by certain a…

What are the uses of flexible and rigid polyurethane foam? Polyurethane rigid foam is a high polymer made of isocyanate and polyether as the main raw …

What is fermentation technology? According to the information and literature, fermentation technology mainly refers to: the use of microbial physiolog…