A moisture-curable composition includes a silane-terminated polyurethane-polyurea polymer made by reacting a polyol, polyisocyanate, and polyamine together to provide an isocyanate-terminated polyurethane-polyurea polymer with at least two urethane linkages and at least two urea linkages in the polymer chain, and capping at least a portion of the isocyanate-terminated polymer with a silane having at least one alkoxy group to provide the moisture-curable silane-terminated polymer.
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