What is Bakelite? Features and History

What is phenol formaldehyde resin? Phenolic resins are divided into two: Resolsinol and novalak. Resol resins are formed by polycondensation of phenol, formaldehyde and urea in alkaline environment. These resins have many areas of use. It is resistant to water. It is used in the production of marine-type plywood, building molds in construction sites, in […]