Cuming Microwave offers an extensive line of high performance pyramidal and convoluted absorbers. Materials are designed for use in antenna ranges, anechoic chambers and test boxes. Cuming utilizes state-of-the-art equipment and controls to ensure homogeneity within each piece and lot. This process allows cost effective methods in the production of pyramids, wedges, twisted pyramids and other geometric shapes. All materials are qualified for fire retardancy and are tested 100% for electrical performance.