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Why are paper cups not suitable for drinking alcohol or making tea?

Why are paper cups not suitable for drinking alcohol or making tea?

The main material of advertising paper cups is wood pulp paper. Qualified paper cups can hold 90 ℃ hot water without any leakage, but when filled with wine, they leak; The main manifestation is the phenomenon of infiltration at the junction of the cup body and the junction of the cup body and the cup bottom, that is, ethanol solution penetrates through the inner layer of the paper cup to the outer layer of the base paper, and ethanol leaks to the outside, even causing cracks in the seams of the paper cup. There is no problem with the bonding process and coating thickness of the paper cup itself. The reason why there is leakage when holding alcoholic beverages is because ethanol is volatile, has strong permeability, and is more easily soluble in the organic solvents used in the paper cup, resulting in leakage.

2025-11-10

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The three major standards of trendy disposable paper cup wholesale market should not be underestimated

The three major standards of trendy disposable paper cup wholesale market should not be underestimated

The failure of decolorization test refers to the color of the soaking solution when food packaging materials are soaked in water, oil or ethanol, which means that pigments, dyes, additives and other substances in food packaging materials may enter the food, and these substances are often harmful to the human body; Oxygen permeation rate refers to the oxygen permeation rate of packaging materials such as cling film exceeding the standard requirements, making it easier for oxygen from the external air to enter food packaging, leading to the proliferation of aerobic bacteria and making food more prone to spoilage; Fluorescent substances are not easily decomposed or eliminated. If they exceed the standard, they can accumulate in the body and affect the normal development and growth of cells, seriously endangering human health.

2025-11-09

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Disposable paper cups soybean milk paper cups also have a shelf life

Disposable paper cups soybean milk paper cups also have a shelf life

Many people only look at the price of the disposable paper cup soybean milk paper cup, and then look at the material design. Generally, few people pay attention to the expiration date of the paper cup. In fact, paper cups sold in supermarkets or on the market have a shelf life. Everyone knows that paper cups are made of different types of paper. Some manufacturers use chemical materials to purify paper cups in order to achieve whitening effects. However, this is very unsanitary and does not meet production standards.

2025-11-09

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Can disposable paper cups not drink hot water? It is really not recommended to use this type of paper cup!

Can disposable paper cups not drink hot water? It is really not recommended to use this type of paper cup!

Polyethylene coated cups are cast with a thin layer of polyethylene (PE) plastic coating on the surface of the paper, which is equivalent to a plastic film covering the paper cup. In the food industry, it is currently the mainstream paper cup product, which can be used for both hot and cold drinks.

2025-11-09

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Is it very unhygienic for disposable paper cups to be reused?

Is it very unhygienic for disposable paper cups to be reused?

There is a risk of cross infection if the product used by the previous customer is reused without necessary cleaning, disinfection, or other means. Citizens who encounter such situations can report them immediately. ”The relevant person in charge of the Municipal Health Supervision Institute stated that according to relevant regulations, disposable items in public places are prohibited from being reused and must follow the principle of "one customer, one exchange". Any violation will be investigated and punished. Due to the need for certain procedures in handling, it is recommended that the parties involved personally report, and law enforcement personnel will keep records. After the handling is completed, feedback on the results will be provided. The staff of the Consumer Protection Department of Jingjiang Industry and Commerce Bureau stated that consumers who encounter such situations can immediately report to "12315". After receiving the report, the industry and commerce department will investigate and collect evidence. If the situation is true, it will be dealt with.

2025-11-09

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Is the quality of paper cup ink qualified? Paper cup manufacturers tell you

Is the quality of paper cup ink qualified? Paper cup manufacturers tell you

Cut the four advertising paper cups into pieces and place them in four porcelain bowls respectively. Pour 75% ethanol into each bowl until the fragments are submerged, then let them stand. After 10 minutes, the ethanol solution in the bowl containing fragments of milk tea shop advertising paper cups turned light red. The solution containing the other three types of disposable paper cup fragments did not change color, indicating that they are not qualified.

2025-11-09

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Factors and methods for selecting paper water cups

Factors and methods for selecting paper water cups

Paper cups are one of the common products in our daily lives, widely used in coffee shops, fast food restaurants, offices, parties and other occasions. However, there are a wide variety of paper cups on the market, with varying degrees of quality. Choosing a high-quality paper cup material is very important, as it not only ensures health and safety, but also enhances the user experience. In this article, we will share with you some key elements and methods for selecting high-quality paper cup materials.

2025-11-08

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How to choose a suitable Linyi square cup wholesaler?

How to choose a suitable Linyi square cup wholesaler?

Firstly, it is very important to choose an experienced Linyi square cup wholesaler. Experienced wholesalers are usually able to provide high-quality products and professional services. They have a profound understanding of market trends and are able to meet customer needs. By choosing experienced wholesalers, you can ensure the reliable quality of the paper cups you purchase.

2025-11-08

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The use of paper cups in beverage packaging

The use of paper cups in beverage packaging

Distinguishing between cold drink cups and hot drink paper cups, they each have their own functions, and once they are misaligned, they can threaten consumers' health. The surface of cold drink paper cups should be treated with wax spraying or immersion. Because cold drinks can cause water to accumulate on the surface of paper cups, causing them to soften,

2025-11-08

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Three tips to teach you to identify the pros and cons of disposable paper cups

Three tips to teach you to identify the pros and cons of disposable paper cups

Nowadays, disposable tableware represented by paper cups has entered people's lives, and its safety issues have also received much attention. According to national regulations, disposable paper cups cannot use recycled paper as raw material and cannot contain fluorescent bleaching agents. But many paper cups use recycled paper that violates regulations, adding a large amount of fluorescent bleach to make their color white, and then adding some industrial calcium carbonate and talcum powder to increase their weight. In addition, in order to withstand high temperatures, the paper cup is covered with a layer of laminated paper, and according to regulations, standard non-toxic polyethylene should be selected. However, some manufacturers even use industrial polyethylene or waste plastics from medical waste and chemical drug packaging instead.

2025-11-08

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