Different grades of TPU raw materials drying temperature and time is not the same, extrusion TPU protective film equipment, drying temperature is usually 80 to 100 degrees, time for 3 hours. Dryer good with a vacuum drum dryer, similar to the German KF dryer suitable for caking is not suitable for TPU drying.
TPU base film is usually produced by casting method. Due to the TPU base film elasticity, but also easy to get into the air, can not be rolled up to a larger size of the finished product, therefore, in the production process are used in the second layer of PET release film folder attached in order to receive a large volume.
TPU invisible car coat is a high-performance new environmentally friendly film, is widely used in automotive beauty and maintenance industry, is a common name for transparent paint protection film. It has good toughness, can make the car paint surface isolated from the air after affixing, and has high brightness, after subsequent processing, the car coat film has self-repairing performance of scratching, and protects the paint surface for a long time.
