phenolic resin for producing stopper rod, nozzle and crucible Pfn5300 Series:Thermosetting Liquid Phenolic Resin Product characteristicsThis series product is thermosetting liquid phenolic resin formed by reaction under weak-alkaline condition,which can be used independently,or mixed with powder resin to use,it is special-type phenolic resin for producing stopper rod, nozzle,refractory brick, ...