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Sealing gasket Printing colors appear faded or discolored or burnt to the following three conditions:

1, the production process, the printing ink is poor, or corona treatment print layer aluminum foil or film is not good cause poor printing results, however, the sealing process is easy to use discoloration or fading;

2, using the customer's production process, did not adjust the height and good speed electromagnetic induction machines, electromagnetic generating temperature is too high and cause printing color charred phenomenon;

3, some printed colors are red, gold is prone to discoloration, which is due to the red and gold ink contains some ingredients react with electromagnetic caused.

Yu Sheng combined company have a wealth of experience in the practice, according to the principle of electromagnetic seal for the sake of our customers to produce both printed and will not discolor the sealing gasket.