A method of non-delaminably bonding a non-porous thermoplastic elastomer to a substrate by heating a bilayer of the elastomer and the substrate for a predetermined time and a product obtained by the method. Methods for producing non-delaminable conduits and non-delaminable kink-resistant conduits constructed of biocompatible elastomers and substrates, and products produced by these methods are taught. Methods, products, and articles of manufacture relating to non-delaminable monofilament supported kink-resistive conduits that may be used as inflow conduits in left ventricular assist devices for treatment of heart failure are also provided.