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PU primer is a particular, high attachment primer framework intended to enhance grip between a substantial assortment of coatings and substrates. PU primer is especially appropriate when utilized as a part of conjunction with Isothane Elastomeric Membrane coatings or Isothane foams. It is an unique mix of moisture curing urethane prepolymers in dissolvable and its chemical likeness to EM coatings guarantees great bond between the two within the specified overcoat times. It goes about as a sealer on permeable substrates like concrete and will solidify a friable substrate, for example, that of asbestos bond. It goes about as a hindrance coat on bituminous substrates and enhances attachment to troublesome substrates such as non-ferrous metals.