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How Many Types of Cups Do You Know?

Views:26     Author:Site Editor     Publish Time: 2019-07-16      Origin:Site

How Many Types of cups Do You Know?

It is common that people would use different kinds of cups to drink water. But different cups also have various functions in terms of cup materials. So today I would like to introduce different cups by material.


1. Plastic cup: Choose Edible Grade Plastic

Because of its changeable shape and bright color, many people like using plastic stemless wine glasses that are very suitable for outdoor users and office workers. Generally speaking, the bottom of the reusable plastic wine glasses has a logo, which is the "05" number on the small triangle meaning the cup is made of PP (polypropylene) . PP cup has good heat resistance, melting point at 170 °C ~ 172 °C. But the problem with ordinary reusable plastic wine glasses is common. Plastic belongs to the polymer chemistry material, when reusable plastic wine glasses is filled with hot or boiled water, polymer is easy to precipitate dissolved into water which would be harmful to people’s health. And the internal microstructure of the plastic has a lot of pores, which may hide dirt. So choosing plastic cup that meets the national standards of edible grade plastic, also known as PP material is very important.


 

2. Ceramic mug: Choose Underglaze

Colorful ceramic temperature control mug, is very popular, but in fact, those bright colors are in the great hidden danger. A unbreakable ceramic coffee mugs usually has a glaze on the inside. When the glazed cup is filled with boiled water or a beverage with high acidity or alkalinity, some of the aluminum and other toxic elements in the glaze will easily leach out and dissolve into the liquid. So when people drink liquids with chemicals, it would be harmful. If you insist on buying unbreakable ceramic coffee mugs, here are some tips to teach you how to buy the plain white ceramic coffee mugs. Touch the colored surface of unbreakable ceramic coffee mugs. If the surface is smooth, it means that it is underglaze or underglaze color, which is relatively safe. If not, you had better not buy it.

 

ceramic mug


3. Paper cup: Use Fewer Disposable paper cups

At present, almost every family have disposable paper cups, cause they are sanitary and convenient. But such a common cup has many hidden problems. There are three types of paper cups on the market. The first type is made of white cardboard and can not hold water or oil. The second is a wax coated paper cup, as long as the water temperature is above 40 °c, the wax will melt. The third is paper cup, if the selection of materials or processing technology is not good, in the process of polyethylene hot melting, paper cup will have cracking changes. In order to increase the cup toughness and stiffness, paper cups will be added plasticizer. Health conditions can be difficult to control if additives are excessive.

 


4. Glass: Practical Safety Against Cracking

Glass would be the prior choice for many people, especially for office and home users. It's not just about looking good, it's about being the healthiest and safest of all glass materials. The glass is made from inorganic silicates and contains no organic chemicals. When people drink water, they don't have to worry about chemicals getting into their bodies. What’s more, glass is easy to clean. Bacteria and dirt  are not easy to grow in the wall of the cup breeding. So glass is the healthiest and the safest for people to drink water. However, it should be noted that the glass can not stand the heat expansion and cold contraction.

 

coffee cup


5. Stainless Steel bottle: Don't Serve Acidic Drinks

The advantage of stainless steel water bottle is that it is strong and durable, rust-proof and corrosion-proof. But the stainless steel water bottle is an alloy product, containing many heavy metal substances, such as nickel, chromium, manganese, if used improperly, these heavy metal substances will be easy to release which would be hazardous to health. Therefore, in daily use, we should pay attention not to use stainless steel water bottles to hold acidic drinks, such as fruit juice, coffee, carbonated drinks, etc. We should not hold soy sauce, vinegar, vegetable soup, tea, etc for a long time. Because the electrolytes in these foods may react with heavy metals in stainless steel, causing the heavy metals to precipitate out. When washing stainless steel water bottle, do not use strong alkaline or strong oxidizing chemicals such as Soda, Bleach, etc. , these substances are also prone to chemical reactions with stainless steel.

 


6. Enamel cup: Broken One Should Be Decisively Eliminated

Enamel cups are also a good choice. Enamel is a kind of composite material which is made of inorganic glass and melted and solidified on the metal at thousands of degrees. Enamel on the surface of the metal can prevent rust, so that the metal in the heat does not form an oxide layer on the surface and can resist the erosion of various liquids. enamel products do not contain lead and other harmful substances, easy to carry and clean, widely used in daily life as eating utensils and washing utensils. The enamel look ceramic mug has one shortcoming, the surface of enamel look ceramic mug is easy to appear the breakage.

 

What is your cup, mug or bottle made of?


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