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Hot stamping temperature - one of the factors affecting the hot stamping effect of hot stamping paper

As we all know, the hot stamping temperature is one of the factors affecting the quality of hot stamping hot stamping. The effect of hot stamping temperature on the hot stamping effect of Hot stamping paper is very obvious. What happens when the hot stamping temperature is too high? What happens when the hot stamping temperature is too low? For details, please see below.

If the temperature is too high and the melting is excessive, the hot stamping paper around the hot stamping will easily fall off and cause the paste. At the same time, the high temperature will chemically change the dyed resin and the aluminum layer of the hot stamping paper, so that the brightness of the hot stamping product is lowered and the metal is lost. Gloss, even making the print appear hazy or blistering. On the other hand, if the hot stamping temperature of the hot stamping paper is too low and the melting is insufficient, there will be a phenomenon that the hot stamping is not printed, the imprinting is not firm, the peeling is easy or the pen is broken, and the imprinting is performed.

Since the temperature is so important for the hot stamping effect of hot stamping paper, how to set the hot stamping temperature of hot stamping paper when hot stamping? This requires a comprehensive consideration of the type and scope of the hot stamping paper, the area and thickness of the printed ink layer, the structure of the hot stamping, the hot stamping speed, the pressure, the area, and the room temperature of the hot stamping shop.

70~180°C is the general range of hot stamping temperature. When the hot stamping pressure is small, the machine speed is fast, the ink layer of the printed matter is thick, and the room temperature is low, the hot stamping temperature should be appropriately increased. On the contrary, the hot stamping temperature of the hot stamping paper should be appropriately lowered. When the optimum temperature is determined, it should be kept as constant as possible from start to finish to ensure the hot stamping effect of the same batch of products.

If the different graphic structure on the same plate has different requirements for the hot stamping temperature of the hot stamping paper, what should I do? Xiaobian has 2 solutions. First, under the conditions allowed by the layout (such as when the interval between the two pictures is relatively large), two electric heating plates can be used, which are controlled by two voltage regulating transformers to obtain two different temperatures to meet the needs of hot stamping. . Second, at the same hot stamping temperature, choose two different types and performances of hot stamping paper to meet the demand of hot stamping.