Cooking bags 'bleeding' phenomenon

In the production of high temperature cooking bags, likely to guard against the 'bleeding' phenomenon, caused large economic loss. 1, color penetration occurred often in the nylon membrane for outer packaging materials. When replacing outside la for pet or BOPP film ( Other things being equal) Penetration, the color will not happen. 2, the hue of infiltration with red, purple. When nylon membrane defects, color penetration phenomenon cannot be completely ruled out, can only be infiltration degree of difference. 3, temperature and water are the two basic elements of color penetration phenomenon. The packing bag of the same temperature conditions, the same will not appear in the oven for permeability; Less than 70 degrees, normal time sterilization also won't appear color penetration phenomenon. More bags, please contact us: WWW. p10000。 cn