Oil resistance of the packaging bags

Oil resistance packaging refers to animal oil, vegetable oil, vinegar, wine such as grease material could not penetrate the bags out. With the packing bag of oil resistance can better apply to grease packaging material in soaking processed food products. Some water vapor barrier property good bags, their oil resistance is not necessarily good. Because oil kind material belongs to organic polymer material, compared with the water molecules more easily from a crack in the packaging film molecular filters through, also for organic material such as glue miscibility, whereas the water molecules do not mix with viscose. So some water vapor barrier property good bags, fat class material will seep out. How to improve the oil resistance 1, in the inner packaging film bags PVA coating composite. PVA is polyvinyl alcohol, it is divided into chemical grade and food grade, and in the production of food packaging, must use the food grade of PVA. It is white water-soluble polymer inorganic, has strong adhesive. Through the packing bag of PVA coating composite has very good oil resistance. 2, in the packaging film whalen film. Whalen film is composed of polyvinyl alcohol group plastic, fat class material almost impossible to seep through. The packing bag of the whalen thin film composite have demonstrated the whalen film oil resistance. 3, in the packaging film and laminated aluminum foil or aluminum plated, aluminum foil or aluminum plating quality is a very stable material, for oil and water molecules, oxygen, air, nitrogen, organic matter, uv, and so on all have very good barrier property. So add layer of aluminum foil bags, oil resistance will be very good. 4, the oil resistance of composite using high viscose. Grease material is organic polymer, composite using choose water-soluble polymer inorganic viscose, they for grease resistance will be more high. This is also one of the ways to improve the bags oil resistance. Oil resistance bags used a lot of food processing production have been oil immersion processing, so the application of oil resistance bag is also very extensive. Is mainly used in: 1, baked goods, moon cake packaging, flowers bag, such as 2, meat, duck palm, duck neck, chicken feet, fish larvae, 3, soy products, fish tofu, spicy dry tofu, etc. Supply the oil resistance of bags with transparent PET/HDPE, OPP/MCPP and so on, also have the aluminum foil bag, PET/AL/PE, PET/VMPET/PE bag with aluminum plated, also have PVA coated film and whalen composite film ( Cotton paper) 。 They are not only high oil resistance, water vapor and oxygen barrier property is high also, heat sealing effect is also very good. And has a free design packaging color printing, fine service. Welcome you to come to ordering oil resistance. Tags: oil resistance
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