Casserole Purchase Skills

Traditional casserole is not easy to heat transfer of quartz, feldspar, clay and other raw materials with ceramic products, in daily life is very common, people want to use casserole need to pay attention to purchase skills, what are the advantages and disadvantages of casserole? Today, I will answer them all for you.
Casserole purchase skills
1, listen to the sound: use the pot cover or coins to tap the pot body, clear, bright, crisp is good, identification can be the bottom of the pot, with fingers against the concave center, with hard objects, the louder the pot sound, the larger the finger vibration the better.
2, according to the need to buy casserole: In general, decocting medicine with a very good clay casserole, the purchase of cheap no leakage casserole can be. Stew food pot requirements are higher, it is best to choose good quality white casserole.
3, look at the ceramic quality: the ceramic selected by the good casserole is very fine and the color is mostly white, the quality of the surface glaze is also high, bright and uniform, and the thermal conductivity is good.
4, look at the structure: good casserole structure is reasonable, placed flat, the pot body is round, the inner wall is smooth, no cracks, no prominent sand. The lid lid is tight and does not change, you can cover the lid and try to turn it to see, if the lid is tight with the pot body, it should be smooth friction when rotating.
What are the advantages and disadvantages of casserole
1, advantages: fast heat transfer, slow heat dissipation, strong thermal insulation ability, general casserole in the heat off for 5 to 10 minutes, the food in the pot can maintain close to boiling heat. The casserole can transfer the external heat energy to the internal raw materials in a balanced and lasting way, and the relatively balanced ambient temperature is conducive to the mutual penetration of water molecules and food, which can maximize the release of food taste.
2, disadvantages: casserole glaze contains a small amount of lead, so the newly bought casserole, it is best to soak in vinegar water and boil, so that most of the harmful substances can be removed. The inner wall of the casserole has color, and it is not suitable to store wine, vinegar and acidic drinks and food.
It can be seen that the purchase of casserole needs to pay attention to skills, such as listening to the sound, tapping the pot body with the pot lid or coins, clear, bright, crisp is good, identification can be the bottom of the pot, with the fingers against the concave center, with hard objects, the louder the pot sound, the larger the finger vibration, the better.