Jesmonite penetrating sealer for AC730 and Flex Metal Gel Coat: Designed for use with all cement-based Jesmonite materials (AC730, AC830, AC930 and Flex Metal). The sealer provides an invisible protection against water and oils as well as stains. Apply on a clean and dry surface using a high-quality brush in two layers, the second layer is applied as soon as the first coat is dry to the touch. Store at a temperature between 5-25 °C. Seal well after use, use within 6 months from opening. Not suitable for direct contact with food.