Be sure to buy a sealing ring that meets the specifications of the cup cover. Too small to fit in. If it's too small, it will fall off and it won't seal. If it's too big, it won't fit. Generally, it is a water container made of ceramic or stainless steel and vacuum layer. The top of the thermos cup is covered and sealed tightly. Vacuum insulation layer can delay the heat dissipation of water and other liquids to achieve the purpose of insulation.
One of its important parts, the sealing ring. Generally, the silicone sealing ring with good quality is cold-resistant, high-temperature resistant and low-temperature. Excellent high-temperature compression permanent deformation and good tensile properties, and more importantly, the sealing ring with good quality must be non-toxic and tasteless.
Extended data:
The usage of Vientiane mug is introduced as follows:
After adding water to the cup, tighten the bottle stopper and the cup cover clockwise, and put the cup flat on the table without water leakage; The rotation of the lid and the mouth of the cup should be flexible and there should be no gap. Food-grade new plastics are characterized by small smell, bright surface, no burr, long service life and no aging. Ordinary plastics or recycled plastics are characterized by strong smell, dark color, many burrs and easy aging and fracture.
The depth of the tank is basically the same as the height of the shell, and the capacity (difference 16- 18MM) is in line with the nominal value. Some poor quality thermos cups will add sand and cement blocks to make up for the missing weight. Myth: The weight of a cup (pot) is not necessarily good.
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