Do you really know about food packaging material

There are several kinds of food packaging materials in the food industry for many years, you house can tell a bunch of packaging materials: PE, CPP, PET, PP, PA, aluminium foil and other materials. The performance of these packaging materials, you can also tell about to. PE: flexibility, transparency is a bit atomization effect, good printing, heat sealing performance is good, good moistureproof ability, weak resistance, commonly used for heat sealing layer. CPP: good stiffness, high transparency, poor printing, heat sealing performance is good, good moisture-proof, carbamate resistance is poor. PET: high stiffness, good transparency, excellent printing, heat sealing, optimal resistance, resistance to cut ceng, commonly used for printing, packing bag outer. PP: high transparency, excellent printing, heat sealing good, excellent resistance, good stiffness, is for the outer. PA: nylon carbamate resistance, moisture absorption, general stability wear-resisting impact resistance, printing for outer layer. AL: metal foil, silver texture, high barrier, shading, poor printing, good stiffness, commonly used as a barrier layer in the middle. This way, you can really understand the food packaging materials? No, it is not enough. You as the purchase of food packaging bags, ask you a few key problems. 1, frozen food bags, heat sealing layer should use what kind of PE material? 2, use the packing bag of food oil heat sealing cover which one to use heat sealing layer material? Oh, yes friend would say that these food packaging manufacturers recommend material, does not need to know about. That OK, some problem which is closely linked with the procurement: 1, the quality of the aluminum foil bag key in where? What need to manufacturers to provide the data? 2, how to identify aluminized and pure aluminium bag? These are questions related to food packaging material. Small make up today want to make the streets for everyone just raised the two related to the procurement of food packaging materials. A aluminium foil bag, the key of quality lies in the middle of the aluminum foil layer, and the aluminum foil material quality is the key, whether composite food grade 1, 2, how thick is the thickness, commonly used - 7 3, 20 microns per square metre how many pores, 7 microns to 200 or less, the less the more thick; 4, maximum pore diameter, it must be less than or equal to 20 microns. Such is the quality of aluminum foil material. Second, identify aluminized bag with pure aluminium bag, 1, intuitive feeling is, aluminum plating materials have a mirror effect, and it is made of food can be clearly reflected your packet, since not pure aluminium material. 2, shading performance, aluminum plating materials to the light source, can clearly see a lot of points. Pure aluminium material is difficult to see the light, the high quality almost can't see. If this article helpful to you, have to learn some. Please click on the lower left corner to share out, is a great encouragement to the small make up. In the subsequent, small make up will continue to bring us food packaging materials is introduced. Welcome the attention! Advertising: food packaging packaging 17 years the old factory, choose high quality materials, design, the production high quality bags for you, welcome to order! Tags: food packaging bags
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