Do you know the aluminum foil food packaging requirement for the surface quality?

With the improvement of material life level, people on food safety is becoming more and more attention, today we are on the aluminum foil food packaging bags which on the one hand, to analyze and look at the surface quality of aluminum foil food packaging requirements have? 1. Surface should be clean, smooth, there is no corrosion scar mark and bruising, there is no serious buckling and collapse, its texture is soft, not break, good flexibility, folding should buy aluminum foil food packaging should be kept in dry, don't put too long, should be used as early as possible. 2. Aluminum foil surface cleanliness higher, there is no lubricating oil burning after the formation of the yellow staining obviously, shall not taste of oil and gas and the brush water test reach grade A or grade B. Surface tension is higher, should reach more than 72 mn/m. A simple method is to use distilled water, distilled water shall all be infiltrating in the surface of aluminum foil, if the aluminum foil surface oil pollution is serious, will affect the aluminum foil and other composite materials is firm especially bags after high-temperature cooking stripping phenomenon happens. 3. Grease and pinhole is the product of the main test indicators, aluminum foil material require high physical and chemical properties of aluminum foil, aluminum foil of the pinhole is smaller than the number, no matter how thick aluminum foil, the pinhole aperture should be no more than 20 um. Last helpful hints you, we professional custom production aluminum foil food packaging bags for 20 years, the company has a class 100000 clean production workshop, the quality guaranteed. Based on years of customization production work, we guarantee the packaging products material safety, etc. , to meet the requirements of customers and consumers with absolute quality of service.
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