EP30HT—a transparent, highly versatile epoxy—is offered for general purpose bonding, casting, coating, and potting. It combines excellent physical strength, resistance to elevated temperatures and humidity, and chemical resistance properties with high optical clarity of over 97% spectral transmittance. The service temperature range is very wide, starting at -50°C and reaching to over 205°C. EP30HT has a moderate viscosity and is well suited for potting and casting especially recommended where medium viscosity is required for ease of application.