The stainless steel thermos cup is made of food grade 304 stainless steel to ensure that the heavy metals dissolved in the thermos cup filled with water do not exceed the standard, including lead. At the same time, the inner cover of the regular stainless steel thermos cup is made of PC material, which is odorless and will not deform when boiled in boiling water. The apron is made of silicone, which is also a non-toxic material.
As a material, 304 stainless steel has many advantages, such as good thermal insulation, light weight, crack resistance, corrosion resistance, extrusion resistance, thermal shock resistance, sanitary and convenient use and so on.
Matters needing attention in purchasing thermos cups
1. See the tightness of the thermos cup. Fill a glass of water and tighten the lid, put it upside down for a few minutes, or shake it hard a few times. If there is no leakage, it proves that its sealing performance is good.
2. Whether the accessories are healthy and environmentally friendly. Whether the plastic part of the thermos cup is healthy and environmentally friendly is very important. Can be identified by smell. If the thermos cup is made of food-grade plastic, it has small smell, bright surface, no burr, long service life and is not easy to age. If it is ordinary plastic, it will be inferior to food-grade plastic in all aspects.
Refer to Baidu Encyclopedia-Stainless Steel Thermos Cup for the above contents.