Is single coated paper better or double coated paper better for this issue? The editor also struggled for a long time and then collected a large amount of information online. Now let the editor share the summary with everyone! Single coated paper and double coated paper are commonly used in daily life as paper cups. Let's take paper cups as an example to explain whether single coated paper or double coated paper is better.
The difference between single facial mask and double-sided mask:
Single sided PE coated paper cup: A paper cup produced from single sided PE coated paper. Its appearance features a smooth PE coating on the side of the paper cup that holds water.
Double sided PE coated paper cup: A paper cup produced from double-sided PE coated paper. Its appearance features that both the inside and outside of the cup have PE coating, and their uses are also different.
Purpose:
A single sided PE coated paper cup is used for hot drinks, and there is a layer of PE coated paper inside the cup that can provide slight insulation, mainly to prevent water seepage and prevent hot drinks from leaking out.
The cold cup is made of double-sided PE coated paper cups. The outer layer of the cold cup will have condensed water vapor, which will deform and soften the cup. Adding a layer of film can increase hardness and shape.
Generally, a single sided coated paper cup is sufficient for household use. If you want to pack cold drinks, use a double sided coated paper cup. Compared to a single sided PE coated paper cup, the quality of the double sided PE coated paper cup is better. The double sided coated paper cup is coated both inside and outside, so that the paper cup will not leak water. Using food pulp paper and food PE coated paper is safe, hygienic, environmentally friendly, and has a longer service life. The cup body has a higher straightness and relative cost.
I will teach you how to choose paper cups and methods later on
1. Look: When selecting disposable paper cups, don't just look at the white color of the cups. Don't think that the whiter the color is, the more sanitary it is. Some cup manufacturers add a lot of Optical brightener to make the cups look whiter. Once these harmful substances enter the human body, they can become potential carcinogens. Experts suggest that citizens should take a photo under the lamp when selecting paper cups. If the paper cup appears blue under the fluorescent lamp, it indicates that the fluorescent agent exceeds the standard and consumers should use it with caution.
2. Pinch: The cup body is soft and not firm, be careful not to leak water. In addition, it is necessary to choose paper cups with thick and stiff walls. Paper cups with low body hardness can be very soft to pinch, and when poured into water or beverages, they will deform severely or even fail to be lifted, affecting their use. Experts point out that in general, paper cups can hold water for 72 hours without leakage, while those with poor quality will leak in half an hour.
3. Smell: The color of the cup wall is fancy, be careful of ink poisoning. Quality supervision experts point out that paper cups are often stacked together, and if they are damp or contaminated, mold will inevitably form. Therefore, paper cups that are damp must not be used. In addition, some paper cups may have colorful patterns and words printed on them. When the cups are stacked together, the ink on the outside of the cups will inevitably affect the inner layer of the cups it wraps around. The ink contains benzene and toluene, which is harmful to health. Therefore, purchase paper cups with no ink on the outer layer or less printing.
4. Use: To distinguish between cold cups and hot cups, they each have their own duties. Experts later pointed out that the disposable paper cups we usually use can be divided into two types: cold drink cups and hot drink cups, each with their own functions. Once "misaligned", it may have an impact on consumers' health.