The Techspray conformal coating selection guide will help you match the best conformal coating with the intended environment. Acrylic conformal coatings offer good moisture protection and some of the best dielectric properties although they are not very chemical resistant. Silicone conformal coatings have superior moisture protection and are flexible and resistant to thermal shock. Urethane conformal coatings are rigid and hard providing good moisture resistance and the best chemical resistance. There are many ways to apply conformal coatings.