What material is cooking bags, high temperature cooking bags

by:Kolysen     2020-07-18
What is cooking bags, high temperature cooking bags material release date: 2018 - 08 - 22 cooking bags, high temperature cooking bags is what material, what are the advantages and disadvantages, and the classification of retort pouch have? Packaging, in turn, will answer for you. First we know first what is the retort pouch, what material is the high temperature cooking bags. Retort pouch is a kind of composite plastic film bag, the packing bag of forming ability of heat treatment. Retort pouch generally compounded with three layers of material, common are: outer layer of polyester film, middle for aluminum foil, the inner layer for polyolefin film, abbreviated as follows: NY/PE, NY/AL/RCPP, KNY/PE, etc. The advantages of retort pouch is as follows: 1. Can achieve sterilization requirement in short time, and keep the food color, aroma, taste and shape. 2. It is very convenient to use. In boiling water heating under the environment of open in a few minutes to eat, also can be open without heat consumption. 3. Convenient transportation and storage. Because cooking bags are plastic composite material, take up little space, can be stacked together, whether it is a transportation, or storage is very convenient. 4. To save energy. Because of retort pouch thinner, heat sterilization don't need to use more energy can effectively kill the bacteria completely, save about 40% energy than iron cans. 5. Retort pouch design diversification. Retort pouch can be designed according to customer demand, the market requirements to design different packaging style, can quickly grasp the consumer, the purpose of increasing sales. 6. Shelf life time is long. High temperature cooking bags, cooking bags can be placed in the room temperature under the condition of preservation, not frozen or refrigerated. 7. The production cost is low. Custom-made production of retort pouch cost price is much lower than metal, production equipment do not need too much, so the cost of production of retort pouch is low. Retort pouch shortcoming as follows: when the loading speed is slow, so now the main lack told the loading equipment on the market, in the case of mass production, will influence production speed. Retort pouch classification is as follows: first, according to the related conditions using the environment temperature grade level classification note regular grade products use temperature under 80 ℃ ( Including 80 ℃) Not marked time boiled products use temperature above 80 ℃ ~ 100 ℃ ( Including 100 ℃) Not marked time half a high-temperature cooking products use temperature above 100 ℃ ~ 121 ℃ ( Including 121 ℃) Not mark time in high-temperature cooking products use temperature above 121 ℃ ~ 145 ℃ ( Including 145 ℃) Not marked time 2, hierarchical levels required by foreign use time conditions contents shelf life under 121 ℃ 121 ℃ high temperature cooking bags keep min6 20 ~ 60 months above 135 ℃ 135 ℃ high temperature cooking bags keep the temperature around 20 min1 ~ 2 years ultra high temperature of 140 ℃ 140 ℃ under general as long as 2 ~ 5 min heating way for microwave heating sterilization within 2 years time hierarchical level three, according to the temperature conditions contents shelf life under 121 ℃ 121 ℃ high temperature cooking bags keep min6 20 ~ 60 months above 135 ℃ 135 ℃ high temperature cooking bags keep the temperature around 20 min1 ~ 2 years ultra high temperature of 140 ℃ 140 ℃ under general as long as 2 ~ 5 min heating way for microwave heating sterilization four within 2 years, according to the material structure classification categories quantity of material structure of water vapor through the amount of oxygen through the class A BOPA/CPP, PET/CPP, PET/BOPA/CPP≤ 15≤ 120 b类BOPA / AL / CPP, PET / AL / CPP, PET / BOPA / CPP≤ 1≤ 1 c类宠物/ BOPA / AL / CPP, PET / AL / BOPA / CPP≤ 1≤ 1 a: next up: how to identify food packaging bags have poison food packaging information on what
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