P 150 Resin Butyl phenol formaldehyde novalac resin Akrochem Tackifier >> Phenolic P-150 is an Butyl Phenol Formaldehyde Novalac Resin. P-150 is a tackifier. It is compatible with most elastomers. It finds its widest usage in plied-up constructions which require high building tack levels. Butyl phenol formaldehyde novalac resin. Used as a tackifier. Possesses compatibility with most elastomers. Finds usage in plied-up constructions.