The way to choose a good paper cup:
1, look: When choosing a disposable paper cup, do not just look at the color of the paper cup is white, do not think that the more white the color is more sanitary, some paper cup manufacturers in order to make the cup look more white, added a large number of fluorescent whitening agent.
Once these harmful substances enter the human body, they will become potential carcinogenic factors. Experts suggest that when the public choose the paper cup, the most under the lamp, if the paper cup in the fluorescent light blue, it proves that the fluorescent agent exceeds the standard, consumers should use caution.
2, pinch: the cup body is soft and not firm, careful of leakage. In addition, to choose the cup wall thick stiff paper cup, the cup body hardness is not high paper cup pinch up very soft, pour water or drink, the end will be seriously deformed, or even can not end up, affecting the use of.
Experts pointed out that the general high-quality paper cup can hold water for 72 hours without leakage, and the poor quality of half an hour will seep water.
3, smell: cup wall color fancy, careful ink poisoning. Quality control experts pointed out that the paper cups are stacked together, if damp or contaminated, it will inevitably form mold, so the damp paper cups must not be used.
In addition, some paper cups will print colorful patterns and words, when the paper cups are stacked together, the ink outside the paper cup will inevitably affect the inner layer of the paper cup wrapped outside, and the ink contains benzene and toluene, which is harmful to health, the most buy the outer ink printing or printing less paper cups.