Food packaging plastic bags can be said to be a product that cannot be replaced

And the amount of release agent; third, for the raw materials that are prone to forming inteal stress, the process conditions that can reduce the inteal stress of the molding should be used. Some colorants adopt dry mixing method, which is attached to the surface of the pellets after being stirred with the raw materials in the drum, and the dispersion after entering the barrel is not good, which also causes uneven color.　　

If the colorant has poor thermal stability, it is easily decomposed by heat in the barrel, causing the plastic bag to change color., which will cause uneven color on the surface of the plastic bag. 

In order to prevent the plastic vest bag from staying in the high-temperature barrel for too long to cause overheating and decomposition, the injection volume should not exceed 2/3 of the injection molding capacity of the injection molding machine.　

Food packaging plastic bags can be said to be a product that cannot be replaced in a short period of time, and is a necessity in the food Aluminum Foil Bag industry. Qualified food packaging bags are often hygienic to ensure the quality of food. At the same time, the residues can also affect the color, aroma, and taste of the food.

Therefore, the merchants of customized food packaging bags must conduct on-site inspections of the manufacturers in the early stage to ensure their safety and hygiene before placing orders.