Firmly -forming materials can

20.10.2020 16:05

From staining compounds, primers are distinguished by a lower pigment content. Primers are prepared on the basis of natural or artificial, liquid or hard film -forming drugs - Olifa, alkyd resins, urea -formaldehyde resins, epoxy resins, etc.; Firmly -forming materials can use the repeating type of concentrated solutions or dispersion in organic solvents or in water.