Can I use pc mother-infant cups and cups made of them?(mother-infant grade plastic cups)

Today, I would like to share with you the knowledge of whether pc mother and infant cups can be used. It will also explain the mother and infant grade plastic cups. If it can happen to solve the problems you are facing now, don't forget to pay attention to this site, let's start now!

List of contents for this article:

• 1、What sign is safe for plastic cups?
• 2、Which plastic water cup is safer?
• 3、Differences between food grade pc and maternal and infant grade
• 4、What material can a plastic cup hold boiling water?
• 5、Can a plastic cup made of PC be used to hold boiling water?

What sign is safe for plastic cups?

In the mark on the bottom of the cup, there is a triangular box with the number "5" in the box, which can hold boiling water. No. 1 PET: Heat resistant to 65 ° C and cold resistant to-20 ° C. It cannot be recycled for hot water. No. 2 HDPE: It is recommended not to recycle it. No. 3 PVC: It's best not to buy it. No. 4 LDPE: Not strong heat resistance. No. 5 PP: Microwave oven lunch box, crisper box, high temperature resistance of 120℃. No. 6 PS: It is heat and cold resistant, but cannot be put in a microwave oven.

Polycarbonate plastic (PC) is one of the common plastic materials and is often used to make plastic containers. If you notice a plastic cup has a triangular arrow on the bottom and says "PC", but there are no numbers inside the triangular symbol, this usually means that the container is made of polycarbonate plastic. However, the lack of numbers does not affect its use for holding boiling water.

Looking at the material identification is the first step. Regular plastic water cups will be printed with a triangular recycling mark and code on the bottom or body of the cup. The safest one is the code "5"(representing polypropylene PP). This material is resistant to high temperatures and meets food contact safety requirements; To avoid the code "7"(if it is marked as PC, it may contain bisphenol A, and long-term loading of high-temperature water is a health risk), you must never buy ill-branded products without any material identification.

Category PC, the environmentally friendly recycling mark representing plastic, is used for common plastic varieties. The meaning of the mark on the bottom of plastic bottles is as follows: "No. 1" PETE: Mineral water bottles, carbonated beverage bottles, and beverage bottles should not be recycled to fill hot water. Usage: Heat resistant to 70 ° C and is only suitable for warm or frozen drinks. If it is filled with high-temperature liquids or heated, it will easily deform, and substances harmful to the human body will melt out.

Common logos on plastic cup lids all correspond to materials, safety levels and use restrictions. Understanding these can help you use the cup lid more safely. There are three types of most common signs: a triangular recycling sign is a triangle composed of three arrows with numbers 1-7 inside, and the numbers represent the type of plastic material.

Which plastic water cup is safer?

At present, in terms of comprehensive safety and practicality, Tritan (copolyester) and PP (polypropylene) are the most outstanding plastic water cup materials, and each has its own advantages to adapt to different scenarios.

Recommended safety material PP (polypropylene): Currently, the most widely used plastic in food contact. It can withstand high temperatures of 130 ° C and has stable chemical properties. Almost no harmful substances will be separated out during normal use. It can be heated in a microwave oven. It is commonly found in microwave lunch boxes, baby bottles and most daily cups, the cup bottom recycling mark number is "5".

Most microwave-heatable plastic containers on the market use this material. Tritan (copolyester): Does not contain bisphenol A, can withstand temperatures above 100℃, has good transparency and strong impact resistance, is suitable for making water cups, and has excellent safety performance. Minor performance changes may occur only under long-term exposure to extreme high temperatures. The overall situation is still safe.

PE material (polyethylene): Polyethylene is a low-toxic, acid and alkali resistant material. Specially processed food-grade PE water cups have low release of harmless substances and are suitable for safe use. Tritan material: Tritan is a non-toxic, odorless high-performance plastic with high temperature resistance and impact resistance. Water cups made of Tritan have been strictly tested and will not release harmful substances and are a safe choice.

Food contact grade polypropylene (PP, material code 5) and Tritan (copolyester) plastic boiling water cups are more health-friendly choices.

Differences between food grade pc and maternal and infant grade

Raw materials, use. Raw materials: Food-grade PC uses raw materials that meet food safety standards and will not pollute food. Maternal and infant grade uses maternal and infant grade raw materials that do not contain harmful substances and meet the safety standards for infant products. Purpose: Food-grade PC is mainly used for water cups, kettles, space cups, etc., while mother-child grade uses are mainly used for milk bottles, baby carriages, children's tableware, etc.

Quality standards: The quality standards for food grade plastics and maternal and infant grade plastics are also different. Food-grade plastics need to comply with relevant national food safety standards, such as GB 4801-2016 "Food Contact Materials and Products". Maternal and infant grade plastics need to meet relevant national safety standards for infant products, such as GB 4809-2016 "Technical Specifications for the Safety of Infant Products".

Food-grade stainless steel is safer because it does not release harmful chemicals and has high corrosion resistance and antibacterial properties. Food-grade PC (polycarbonate) may release harmful chemicals when exposed to high temperatures, acidic or alkaline environments, so there may be certain risks when in contact with food. Choosing food grade stainless steel products can reduce potential safety issues.

The main difference between food grade and maternal and infant grade transparent table mats is that the process requirements of the two are different. Generally speaking, a food-grade transparent table mat means that vegetables can be cut on it, or it doesn't matter if food accidentally drops on it for normal people to pick it up and eat it.

Maternal and infant grade products mean that they are extremely safe and do not contain any harmful ingredients. This mark is often used to indicate that a product is suitable for maternal and child use and to ensure their health and safety. Both food-grade materials and mother-and-child grade materials should have the technical properties required to protect food, such as appropriate breathability, moisture permeability, chemical stability, physical and mechanical properties, sealability, light-blocking and aroma retention.

What material can a plastic cup hold boiling water?

1. Polypropylene (PP) material This is currently the most suitable plastic cup material for holding boiled water. It can withstand high temperatures above 100 ° C, is not easy to deform, has good chemical stability, and will not release peculiar smell when filling boiled water. It is safe and non-toxic. Most of the daily bottles and microwave lunch boxes are made of PP material. Polyethylene terephthalate (PET) materials have high transparency, smooth surfaces, and certain heat resistance. Regular and qualified PET cups have a relatively small odor when filled with boiling water, and are often used to make disposable beverage bottles.

2. Generally speaking, PP (polypropylene) plastic cups that meet food grade standards can be used to hold 100 degrees of boiling water. PP material: PP material has good heat resistance and has a melting point of up to 167 ° C. It can withstand the temperature of 100 degrees boiling water without deformation and is not easy to release harmful substances. Under normal use, it is relatively safe to use PP plastic cups to hold boiling water. Many regular hot water cups, milk bottles, etc. are often made of this material.

3. The PP (polypropylene) plastic cup generally marked as "5" can hold 100 degrees of boiling water, but it is not recommended to hold it for a long time.

4. PP plastic cup: can hold boiling water: PP plastic cup can hold hot water, and can even withstand high temperatures of up to 120 degrees, while the temperature of boiling water is generally around 100 degrees, so it is safe to use PP plastic cup to hold boiling water. Safety sign: There is usually a triangular symbol on the bottom of the plastic product with the number "05" marked inside, representing the PP material.

Can a plastic cup made of PC be used to hold boiling water?

--PC (polycarbonate), cannot be filled with hot water. It is common in kettles, space cups, and milk bottles. Department stores often use water cups made of this material as gifts. However, generally, cups made of this material are not resistant to high temperatures. If they are heated or placed in an acid or alkaline environment, they will easily release the toxic substance bisphenol A (BPA). Therefore, do not use it to hold hot water. It is best to use warm water for cleaning.

PC plastic cups are not suitable for holding boiling water, and high temperatures may lead to the release of harmful substances. Currently, the material type is marked on the bottom of common plastic products on the market. Although PC materials (polycarbonate) are stable at room temperature, bisphenol A (BPA) may precipitate out when exposed to high temperatures. Such substances may interfere with human endocrine system. For example, if you use a PC cup to hold hot water for a long time, or continue to use it after cracks appear in the cup body, the risk will increase significantly.

Plastic cups made of PC should not be used to hold boiling water, which poses health risks. Temperature resistance and material characteristics: PC (polycarbonate) material has poor high temperature resistance, and it is easy to deform or even release chemical substances when exposed to hot water exceeding 80°C for a long time. When poured into boiling water (100°C), the high temperature will accelerate the precipitation of bisphenol A (BPA) in the material, which may interfere with the human endocrine system.

The PC cup can withstand the boiling water temperature of 100 degrees, but it is not suitable for holding high-temperature liquids for a long time. PC plastic cups, usually marked with the number 7 on the bottom, are widely used in daily necessities such as water cups and milk bottles. The heat resistance of PC materials is up to 80 degrees. Above this temperature, the toxic substance bisphenol A may be released, causing health hazards.

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