Phenolic Epoxy Resin Viscosity: YLEP-631 vs YLEP-638
Phenolic epoxy resin viscosity is a flow property that separates YLEP-631 from YLEP-638. YLEP-631 is a liquid measuring 1,100-1,700 mPa·s at 52 °C; YLEP-638 is semi-solid, with a …
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Solution Type Phenolic Epoxy Resin: 80% Solids Dosage Math
Solution type phenolic epoxy resin is a multifunctional novolac epoxy supplied as an 80% solids solution, in EEW 170-220 g/eq grades on solids. Two grades are listed, YLEP-210-A80 …
Read moreLiquid 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 …
Read moreYLEP-638 High-Performance Phenolic Epoxy Resin: Structure, Properties, and Applications
YLEP-638 Structural Characteristics The molecular backbone of YLEP-638 is a phenolic novolac structure formed by the condensation of phenol and formaldehyde, providing a rigid …
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