IMPCO Offers Brush-On Polymer Sealant
AlumiSeal brush-on methacrylate compound from IMPCO Inc. is made for sealing porosity in aluminum parts and welds that will contain liquids or gases under pressure. The sealant wicks into pores, seams and between close-fitting non-ferrous metal surfaces. Once cured, excess surface material can be rinsed away with water. The sealant does not alter critical surface dimensions. The sealant comes in a 250-ml kit with a shelf life of 6-12 months. Mixing the sealant’s two compounds creates a VOC-free, low-viscosity, pale-blue liquid that can be applied by brush. Once mixed, the sealant has a pot life of
