TD Sand is a coating material that is used to fill in imperfections in 3D prints and creates a smooth, even surface. TD Seal HT is a high temperature sealant designed to provide vacuum integrity and a high gloss, first class finish. Both products are easy to use and provide a durable, long lasting finish to 3D printed parts. TD Sand and TD Seal HT are essential products for those looking to achieve a professional finish on their 3D prints. Our coatings are formulated to have high adhesion to most thermoplastic and thermoset materials.