How to select ？ Precautions for using glasses
How to choose glasses
Logo and trademark, appearance quality, rated capacity, sealing performance, odor inspection, hot water resistance, coincidence performance, temperature change resistance.
1. Logo and trademark: whether it is a well-known manufacturer, or whether the company has a special trademark, and whether it supports barcode (one of the standards for shopping malls).
2. The appearance shall be smooth, transparent and beautiful without cracks, scratches and dirt; The cup body shall be smooth without burrs that may damage the skin; The cup body shall be free of bubbles and stains; The mimeograph pattern and writing on the cup body should be clear and beautiful.
3. The standard capacity is 300ml, and other capacities are 260ml and 360ml, with a tolerance of ± 5%.
4. Sealing performance refers to whether the cup is leak proof: after the cup lid is tightened, shake the drinking cup substantially. The cup is in any state and there is no leakage of liquid in the cup.
5. Pour hot water into the cup lid and the cup and smell it without odor.
6. The sealing ring and silicone sealing ring parts in contact with drinking water shall not become sticky after immersion in boiling water, and the appearance shall not change significantly.
7. Matching of cup lid and cup body: the cup lid and cup body should rotate freely when they are rotated, opening and closing flexibly without slipping.
8. Temperature sudden change resistance: no water leakage, crack, damage and other defects affecting the use shall be found when pouring boiling water.
9. Filter screen: the size is suitable for the cup body, it will not slide down, and the thickness meets the standard, not easy to bend.
10. Packaging: beautiful appearance, the paper box is the cheapest, slightly better for handbags, gift boxes, portable gift boxes, the best for mahogany boxes plus handbags.
Precautions for using glasses
Precautions:
First use , please clean it with soft cloth and warm water.
If the tank has heavy tea stain after a long time of use, you can pour a small amount of 84 disinfectant into it and soak it for a period of time, then rinse it with clean water to make it as bright as new. Please clean the external surface with mild detergent and soft cloth directly. Clean each part after each use.
Please clean the cup with mild neutral detergent. In order to avoid scratches on the cup body affecting the beauty, please do not wipe the cup body with rough metal balls; When the glass is filled with boiling water, the water level should not be too full to avoid overflow when making tea; Do not put the glass into the microwave oven, disinfection cabinet and other high-temperature appliances for direct heating, so as to avoid deformation of the glass body and affect the use effect; Unscrew the cup cover clockwise (rotate the right hand from left to right), otherwise it may cause burns; Children should use it with caution to prevent articles from being broken or scalded.
Glassware is easy to burst when containing overheated or supercooled water, so the use environment with excessive temperature difference should be avoided. Generally, the temperature difference of more than 80 degrees will cause strong thermal expansion and cold contraction of vessels, which will easily lead to cracking. If there is no special instructions, please try to avoid using containers to contain overheated or supercooled water.
Before pouring hot water, a small amount can be poured in, and the vessel can be shaken to make the hot water fully contact with it, so as to preheat the vessel, and then the hot water can be poured in, which can prevent the vessel from cracking due to excessive temperature difference.
How to clean glasses
It is best to clean the cup immediately after each use. If you feel too troublesome, you should clean it at least once a day. You can clean it before going to bed at night and then dry it.
When cleaning the cup, not only the mouth and body of the cup, but also the bottom and wall of the double glass cup should not be ignored. Especially the bottom of the cup, which is not often cleaned, may precipitate a lot of bacteria and dirt. Female friends are especially reminded that lipstick not only contains chemical components, but also easily absorbs harmful substances and pathogens in the air. When drinking water, harmful substances will be brought into the body. Therefore, lipstick residue at the mouth of the cup must be cleaned
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