Food packaging composite bags? The index of 8 big food compound bag, you know what time?

With the development of the Internet era, online shopping believes everyone not unfamiliar. Small make up every day feeling hurt from all over the country different express feeling is very cool, open it express all bags filled with delicious food packaging bags. But, we really understand food packaging bags? With the composite bags, food bags actually actually everybody will know if slightly understand, composite bags is made up by two or more materials into a bag, general with plastic, aluminum foil, kraft paper bagor other material made with adhesive, thermal bonding method. So what food packaging composite bags have indicators? Let small make up take you to find out! Food packaging composite bags products currently published national and industry standards have eight, standard main indicators are divided into physical mechanics performance and health performance indicators. The physical and mechanical performance index are mainly tensile force ( Or tensile strength) , elongation at break, stripping force and thermal bonding strength, pendulum impact energy, the amount of water vapor through the resistance, pressure performance of oxygen through the volume, bag, bag drop performance and heat medium resistance, oil resistance, cold resistance, heat resistance, etc. Health performance index have senses, toluene diamine, evaporation residue ( 4% acetic acid) , evaporation residue ( N-hexane) , evaporation residue ( 65% ethanol) And consumption of potassium permanganate ( Water) , heavy metals ( In Pb) , decoloring, solvent residue, sterilization indicator, etc. Small make up remind everybody here is important to note that only achieve index composite bags will play a role to protect the food, and will not affect the food flavor!
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