PCDs (polycarbonate diols) are premium polyester polyols. Compared to standard polyester polyols, polycarbonate diols provide significantly enhanced hydrolytic stability, impact resistance, hardness, and chemical resistance. Polycarbonate-polyurethane adhesives enhanced UV resistance, excellent resistance to oils and fuels, and better abrasion resistance and tensile and tear strength compared to polyether-based polyurethane adhesives.
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