Casting The low viscosity of melted CBT 500 resin is especially suited for use in many casting processing techniques. By incorporating high filler and fiber loadings (greater than..., and aluminum. It produces highly filled or reinforced PBT materials that achieve the following characteristics: High heat-distortion temperatures. Low thermal expansion. High... and vacuum-assisted casting can be used to create rods, tubes, rollers, discs, and sheets of virtually any size that the equipment can support. These materials offer great potential...