• What is the difference between pc plastic cup and pp plastic cup

    What is the difference between pc plastic cup and pp plastic cup The pc plastic cup refers to a plastic cup made of polycarbonate and the bottom number is 7; the pp plastic cup refers to a plastic cup made of polypropylene and the bottom number is 5....

  • Are plastic water cups toxic? How to disinfect new plastic cups?

    Is the plastic water cup poisonous? Plastic is a polymer chemical material. When hot or boiled water is filled in a plastic cup, the polymer is easy to precipitate and dissolve into the water, which is harmful to human health after drinking. Moreover...

  • Is pp plastic cup poisonous

    Is pp plastic cup poisonous? The pp plastic water cup is made of polypropylene, which is another excellent resin variety developed after nylon. It is a linear polymer with high density, no side chains, and high crystallinity. When it is not colored, ...

  • What material is the transparent plastic cup made of and what to do if it turns yellow

    What material is the transparent plastic cup made of Transparent plastic cup is a kind of plastic packaging container with transparent white color formed by blow molding. After injection molding, the intermediate product preform is formed, and then t...

  • What kind of tree is the Christmas tree and what are the common ornaments

    What kind of tree is the Christmas tree In fact, most Christmas trees are made of natural trees or artificial trees. The first choice for natural trees is the fir genus, because the needle-shaped leaves of this species are not easy to fall off after ...

  • Introduce the customs of Christmas

    1. Christmas PARTY Christmas essential programs include family, friend, and lover-style party. A kind of friendship, family affection, a good time for love gatherings. Wearing Christmas hats, singing Christmas songs, and talking about everyone's Chri...

  • What kind of tree is the Christmas tree

    In fact, most Christmas trees are made of natural trees or artificial trees. The first choice for natural trees is the fir genus, because the needle-shaped leaves of this species are not easy to fall off after drying, and the color and smell are good...

  • Inventory of nine wonderful traditional Christmas customs in the world

    No.1 Catalonia, Spain Christmas Wood Man In Catalonia, Spain, every household will have a little Christmas wooden man wearing a little red hat on December 8. Each owner will leave something for the little wooden man to eat and wrap the wooden man wit...