Revealing the role of elastic waterproof interface agent in plastering plaster 1 Types of interface agents Interface agents are a general term for a c…
What is the migration resistance of pigments in plastics? How is it tested? The dispersion of pigments is of great significance to the coloring of pla…
Brown shell eggsAnalysis of egg shell color characteristics The epithelial tissue cells of the hen’s uterine eggshell gland mucosa will undergo…
Guan YeAnalysis of 200 Knowledge Test Questions 1. Generally speaking, a drug can be prepared in multiple dosage forms with the same pharmacological …
Types and selections of paint colorants Traditional pigments are usually supplied in the form of fine powder. The advantages are strong versatility, g…
Slow rebound sponge formulas for the use of small materials Slow rebound sponge and ordinary cotton formula is similar. In addition to the main materi…
Leather Shoe Cleaning and Care First, leather classification Leather shoes are divided into aniline leather (Leather; Hide), patent leather, suede, PU…
Polyacrylates 1.Polyacrylates (PA): Also called ac gel coating, is currently the most common and most common kind of coating, after coating can increa…
