Desmocoll 621/2 is a predominantly linear hydroxyl polyurethane. Desmocoll 621/2 is a flexible polyurethane with a high rate of crystallization and low thermoplasticity. It has good adhesion on many flexible PVC substrates. Desmocoll 621/2 is characterized in particular by its long tack live after thermal activation. Properties / Applications: Desmocoll 621/2 is suitable for the formulation of adhesives for use on various materials, e.g. leather, rubber, textiles, wood, various plastics (including polyurethane elastomers), plastic films and aluminum foils. As with any product, use of Desmocoll 621/2 in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro |