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  • Do plastic food packaging bags have a shelf life?

    Do plastic food packaging bags have a shelf life?

    Most of the products we buy in life are clearly marked with the expiration date, but as a kind of commodity packaging, do plastic packaging bags have a shelf life? The answer is yes. 1. The shelf life of plastic packaging bags is the shelf life of the product itself. Most plastic packaging bags a...
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  • The meaning of numbers on plastic bottles (2)

    The meaning of numbers on plastic bottles (2)

    “05″: Reusable after careful cleaning, heat resistant to 130°C. This is the only material that can be heated in a microwave oven, so it becomes the raw material for making microwave lunch boxes. High temperature resistance of 130 ° C, melting point as high as 167 ° C, poor transparenc...
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  • The meaning of numbers on plastics (1)

    The meaning of numbers on plastics (1)

    Careful friends will find that most plastic bottles will have numbers and some simple patterns on them, so what do these numbers represent? “01″: It is best to throw it away after drinking, heat-resistant to 70°C. Commonly used in bottled beverages such as mineral water and carbonated...
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  • How to get rid of plastic smell?

    How to get rid of plastic smell?

    Newly bought plastic products sometimes have a strong or weak plastic smell, which is unacceptable to many people, so how to remove these smells? 1. Put it in a ventilated place and let the sun dry. Some of the flavor will be removed, but it may turn yellow. 2. Clean the inside of the cup with de...
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  • How did you tie the plastic bags?

    How did you tie the plastic bags?

    I went back to my hometown two days ago, because I used the cross-cut method my mother never used to tie the plastic bag, which made it difficult for my mother to open it for a while. In the end, my childhood with the plastic bag was complete,,, There are many ways to tie plastic bags, and almost...
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  • What kind of waste is plastic?

    What kind of waste is plastic?

    Now everyone is advocating garbage classification. Garbage classification refers to the general term for a series of activities in which garbage is sorted, stored, placed and transported according to certain regulations or standards, thereby turning it into public resources. So what kind of garba...
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  • Are hot meals in plastic bags toxic?

    Are hot meals in plastic bags toxic?

    Whether we go to a breakfast restaurant or order takeout, we often see this phenomenon: the boss skillfully tore off a plastic bag, then put it on the bowl, and finally put the food in it quickly. In fact, there is a reason for this. : Food is often stained with oil. If it needs to be cleaned, it...
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  • Is plastic a conductor or an insulator?

    Is plastic a conductor or an insulator?

    Is plastic a conductor or an insulator? First, let’s understand the difference between the two: A conductor is a substance that has a small resistivity and conducts electricity easily. An insulator is a substance that does not conduct electricity under normal circumstances. The characterist...
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  • Is Plastic Crystalline or Amorphous?

    Is Plastic Crystalline or Amorphous?

    Are our common plastics crystalline or amorphous? First, we need to understand what is the essential difference between crystalline and amorphous. Crystals are atoms, ions or molecules that are arranged in space according to a certain periodicity to form a solid with a certain regular geometric s...
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  • The Main Characteristics and Molecular Structure of Plastics

    The Main Characteristics and Molecular Structure of Plastics

    The different properties of plastics determine its use in the industry. With the advancement of technology, research on plastic modification has not stopped. What are the main characteristics of plastics? 1. Most plastics are light in weight, chemically stable, and will not rust; 2. Good impact r...
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  • Market and technical advantages of food packaging paper

    Market and technical advantages of food packaging paper

    Paper has good elasticity and toughness, which can provide good protection to the packaged material; paper is not affected by heat and light, such as health food and medicine, paper is a traditional packaging material, and it is especially suitable for people who want to get natural Those product...
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  • Food Wrapping Paper

    Food Wrapping Paper

    Food packaging paper is a packaging product with pulp and cardboard as the main raw materials. It needs to meet the requirements of non-toxic, oil-resistant, waterproof and moisture-proof, sealing, etc., and the paper used for packaging food that meets the safety requirements of food packaging. B...
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