Two-component polyurethane adhesive another chemistry of potting compound that can replicate virtually any type of hardness for products including gel, glass, thermoplastics, rubber, and LED compounds. Two-component polyurethane system is widely used for encapsulation and potting of electronic components due to its versatile features like low durometer, variable viscosity, good dielectric function, excellent electrical insulation, thermal conductivity and UL approval with some grades meeting 120C RTI rating in the formulation.