Process Heating Company has more than 65 years of experience in manufacturing 100%-efficient Lo-Density® low-watt density electric heating systems, designed to spread heat over a larger surface area, eliminating high element temperatures that damage the product. Common products that benefit from electric heat include asphalt, light and heavy fuel oils, diesel, bio-diesel, glycerin, lube oils, hydraulic fluids, resins/epoxies, animal fats, molasses and other materials that are sensitive to high temperatures.