Liquid Phenolic Epoxy Resin YLEP-631: Seven Field Failures
Liquid phenolic epoxy resin YLEP-631 is a PNE-type novolac grade with 2.7 epoxy groups per molecule. Its published window is an EEW of 168-180 g/eq, a viscosity of 1100-1700 mPa·s at 52 °C and hydrolyzable chlorine below 500 ppm. Seven …