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The cup is much more heat-resistant than normal glass for the use of borosilicate glass material. Eco-friendly. Heat or Cold Resistant, can suit the temperature from cold ( -20℃) to hot (140℃).The matching cups are a perfect gift for all occasions such as Christmas Valentine's Day Easter Weddings or as a birthday present for your girlfriend / boyfriend or parents. We are dedicated to offer you great customer service. If it is damaged when received, please contact customer service for full compensation.
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Cups and Features in Different Materials
1. Plastic cup: choose food-grade plastic
Plastic cups are loved by many people because of their changeable shapes, bright colors, and the characteristics of not being afraid of falling. They are very suitable for outdoor users and office workers. Generally speaking, the bottom of the plastic cup has a mark, which is the number on the small triangle. The common one is "05", which means that the material of the cup is PP (polypropylene). The cup made of PP has good heat resistance, the melting point is 170 ° C ~ 172 ° C, and the chemical properties are relatively stable. In addition to being corroded by concentrated sulfuric acid and concentrated nitric acid, it is relatively stable to other chemical reagents.
2. Ceramic cup: choose underglaze color as well
Colorful ceramic water cups are very flattering, but in fact there are huge hidden dangers in those bright paints. The inner wall of an inexpensive colored ceramic cup is usually coated with a layer of glaze. When the glazed cup is filled with boiling water or beverages with high acid and alkalinity, some aluminum and other heavy metal toxic elements in the glaze are easily precipitated and dissolved into the liquid. At this time, when people drink liquid with chemical substances, the human body will be harmed.
3. Glass: practical and safe to prevent explosion
The first choice for drinking glasses should be glass, especially for office and home users. The glass is not only transparent and beautiful, but among all the materials of the glass, the glass is the healthiest and safest. The glass is made of inorganic silicates, and does not contain organic chemicals during the firing process. When people drink water or other beverages from the glass, they do not have to worry about the chemicals being drunk into their stomachs; And the glass surface is smooth and easy to clean, and bacteria and dirt are not easy to breed on the wall of the cup, so it is the healthiest and safest for people to drink water from a glass. However, it should be noted that the glass is most afraid of thermal expansion and contraction, and the glass with too low temperature should not be filled with hot water immediately to prevent it from bursting.
4. Enamel cups: should be eliminated decisively after damage
Enamel drinking glasses are also a good choice. Enamel is a composite material in which inorganic glass materials are melted and solidified on metal at thousands of degrees. Enamel coating on the metal surface can prevent rust, so that the metal will not form an oxide layer on the surface when heated and can resist the erosion of various liquids. Enamel products do not contain harmful substances such as lead, are easy to carry and clean, and are widely used as eating utensils and washing utensils in daily life.