EP21TDC-2LO has a thermal conductivity of 9 Btu/in./ft2/hr/°F and a volume resistivity of over 1012 Ω-cm. It has a 1:3 mix ratio by weight or volume, over 90 min of work life (for a 100-gm mass), and cures at room temperatures or more rapidly with heat to 36 Shore D hardness. It withstands temperatures from –453 to 250°F, has an elongation of >50%, and tensile and T-peel strengths of 1.07 kpsi and >15 pli, respectively.