Desmocoll 620 Hydroxyl polyurethane Bayer PU - Thermoplastic (TPU) ADHESIVE >> Solvent based Predominantly linear hydroxyl polyurethane Desmocoll 620 is a flexible polyurethane with a high crystallisation rate and low thermoplasticity. It has good adhesion on many flexible PVC substrates. Desmocoll 620 is characterised in particular by its long tack life after thermal activation. Granules Desmocoll 620 is suitable for the formulation of adhesives for use on various materials, e.g. leather, textile, wood, many plastics (including PU elastomers), plastic films and aluminium foils. polyurethane for the production of adhesives with good adhesion to numerous materials, in particular also to plasticized PVC. Linear flexible hydroxyl polyurethane with a high crystallisation rate and low thermoplasticity. Characterised by its long tack life after thermal activation. Suits for the formulation of solvent-borne adhesives for use on various materials.