Compared to other kinds of net for casting filter, the high-temperature-resistant fiberglass netlike for foundry is with lower quotation, higher ability of filtering residue and lower gas arising, thus it is easy to use and could keep the element of metal steadily; what is more, these products have good performance on high temperature resistant, flame resistant, good chemical stability and intensity of steel. Thereby, this kind of filtering netlike cloth is the favorable filtering material for various metal liquid. It could be used on chemical liquid filtering and high-temperature gas filtering either.