Testing and approvals are Chemical resistance was tested by immersion for 30 days at 75 degrees fahrenheit, after 7 days room temperature cure, Cured hardness tested according to ASTM D-2240. Cured density tested according to ASTM D1002. Compression strength tested according to ASTM D695. Dielectric strength tested according to ASTM D149. Applicable materials are wood, most metals, ceramic, fabric, concrete, steel, aluminum, copper, ferrites. Ideal for multi-purpose. 1900 psi adhesive tensile shear. Epoxy chemical compound. 440.0 volts per mil dielectric strength. Fix cure time 1 hour and full cure time 16 minutes at the temperature of 75 degrees fahrenheit. 1/4" gap fill. 80.0 Shore D hardness. Kerosene, sulfuric acid-10 percent, toluene, hydrochloric acid 3 percent resistance. 150000.0 cP viscosity. 440 volts per mil Dielectric strength.