The paper cups are divided into single-sided PE lamination paper cups and double-sided PE lamination paper cups.
Single-sided PE coated paper cups: single-sided PE coated paper cups called single PE paper cups (common domestic market paper cups, advertising paper cups are most of the single-sided PE coated paper cups), the form of its expression: paper cups filled with water on the side of a smooth PE coated;
Double-sided PE coated paper cups: double-sided PE coated paper cups called double-sided PE cups, the form of its expression: paper cups loaded with water on the side of the PE coated;
Double-sided PE coated paper cups: double-sided PE coated paper cups called double-sided PE cups, the form of its expression: paper cups loaded with water on the side of the PE coated. The manifestation is: the inner and outer surfaces of the paper cups have PE lamination.
Extended information:
Picking the right paper cup:
Picking a paper cup is simply summarized as follows: one look, two pressure, three smell.
"A look" means to look at the logo information on the packaging, production license number and QS logo. At the same time, to see the color of the paper cup, not too bright. Paper cups to the light, there can be no impurities. Shine a light under a fluorescent lamp, if the paper cup shows blue under fluorescent light, it proves that the fluorescent agent may exceed the standard.
"Two pressure" means to gently squeeze the sides of the paper cup with your hand to see if the cup is stiff.
"Three smell" refers to the smell of paper cups have no pungent odor, especially the smell of ink or mildew.
In addition to these tips for selection, it is best not to drink the first cup of water when using disposable paper cups. If the color of the paper product is too white or it contains impurities, in the paper cups and bowls when pouring hot water if the strange smell, also do not use again.
The use of the process also try to distinguish between cold cups and hot cups, because cold cups and hot cups of paper cups on the side and bottom of the seal can withstand different temperatures, if the cold cups filled with hot water, it is likely to leakage, resulting in scalding and other hazards. In short, there is still a need to reduce the use of disposable paper cups.
Baidu Encyclopedia - Paper Cups
People's Daily Online - Disposable Paper Cups Are Not Safe