C12 Porous Alumina Cover Plates make ideal lightweight cover or setter plates for debinding and sintering green ceramic tapes, Low Temperature Co-fired Ceramics (LTCC), electronic substrates with precious metal thickfilms, Metal Injection Molded (MIM) components, dental ceramics, sensor membranes, and 3D printed components. In addition to keeping parts flat and distortion-free, C12 Porous Alumina Plates provide a smooth, non-stick porous surface that prevents cracking and “setter drag”. C12 Porous Alumina Plates can be supplied in almost any custom size or shape. C12 Porous Alumina Cover Plates are available with a gross density of about 2.65 g/cm3 and thickness ranging from 1mm to 2mm.
C12 Porous Alumina Cover Plates are highly planar, and have a porosity of about 38% which permits gasses that evolve during sintering to pass easily through the plate, while keeping parts flat and distortion-free. Composed of high purity (99.5%) aluminum oxide, C12 Porous Alumina Cover Plates will not stain contact surfaces. C12 Porous Alumina Cover Plates can be used in conjunction with C12 Separator Powder (SPS) Sheets to help prevent sticking and damaging ceramics with precious metal thick films. Other custom porous cover plate materials, including magnesium oxide (MgO) and zirconia, are available upon request.