Customers who use liquid bisphenol A epoxy resin often encounter the phenomenon of epoxy resin crystallization, especially when the temperature is low in autumn and winter. So why does liquid bisphenol A epoxy resin crystallize? What is the solution? Below [...]
Under normal temperature conditions, both liquid bisphenol A epoxy resin (DGEBA, DigycidyletherofBis-phenol-A) and liquid bisphenol F epoxy resin (DGEBF, DigycidyletherofBis-phenol-F) are supercooled liquids. That is, they are supposed to be solid at ordinary temperatures, but generally remain liquid at their [...]
FR-4 is a flame-retardant composite material made from woven fiberglass cloth and epoxy resin. It is widely used as the substrate for printed circuit boards (PCBs) due to its good electrical insulation, mechanical strength, and heat resistance. The “FR” stands for “Flame Retardant,” and “4” refers to its specific grade in materials standards.
