Self supporting bag manufacturer introduces the material of cooking bag
In today's market, there is a kind of "cooking vacuum packaging bag". Maybe you don't know what is cooking vacuum packaging bag. In fact, it is a kind of food packaging bag that can be cooked at high temperature. It is also a kind of vacuum packaging bag. There is also a kind of low temperature vacuum cooking bag in the market, So in our daily life, how many degrees of high temperature can the cooking vacuum packaging bag reach? For this self-supporting bag, expert research shows that in the market, the general cooking packaging bag can withstand 121 ° and the maximum temperature is 135 ° so we must master the temperature when using the cooking vacuum packaging bag, otherwise this is very dangerous. For example, the packaging bag for high-temperature cooked food usually requires 121 ° and the maximum temperature seems to be 145 ° for reference only. There is also a kind of low-temperature vacuum cooking packaging bag, which is generally required to be 100 ° or less. If the maximum temperature is exceeded, the packaging bag will peel off. This kind of packaging bag is a composite bag, which has a layer of nylon film combined with other low toxicity film
There are two layers, three layers, four layers and even more. The two-layer cooking bag is transparent plastic / plastic, such as PET / CPP or OPA / CPP; the three-layer self-supporting bag has transparent plastic / plastic, such as PET / OPA / CPP, and opaque type containing aluminum foil, such as PET / AI / CPP, OPA / AI / CPP; the four layer cooking bag is made of aluminum foil and opaque PET / AI / OPA / CPP, The inner layer of cooking bag with more layers does not need pure CPP film, but uses multi-layer coextrusion film, such as PA / EVOH / PP coextrusion film, PA / PVA / PP coextrusion film, and pet or aluminum foil to form more layers of composite film, but the number is not large, The four layer PET / AI / OPA / CPP cooking bag containing aluminum foil can meet all the requirements of cooking food. In addition, the materials that can be used in cooking bag include PVDC with high barrier property, PVA with high oxygen resistance, pen with high heat resistance and high barrier property, and special aromatic nylon MXD6 http://www.dgbpk.com/
Dongguan Beite packaging materials Co., Ltd
Dongguan special bag, plastic bag, plastic bag, plastic bag