Send Email Now NR-Ultra high temperature board and vacuum shaped insulation products is a high temperature insulation materials which are made by different fire-resistant fibers, non-organic and few organic adhesive mixed in different percentages, which performs with exceptional stability at high temperatures with its polycrystalline mullite fiber content, it has a high rupture and compressive strength at room temperature. The application temperature of these products can be varied from 1500℃to 1800℃. Please contact us for more detail information.