Whether the rice cooked and processed in the later stage of the rice cooker tastes appropriate or whether their service life is long depends on many factors, and the most critical part is the inner container of the rice cooker, because we all know that the inner container of the rice cooker can be classified not only according to the size and specifications, but also according to the material, style and even shape. Today, I will give you an example to introduce the material classification and comparison suggestions of common rice cookers. Interested friends can consider it comprehensively.

1. What material is used for the inner liner of the rice cooker?

1, aluminum lining

Aluminum has uniform heat conduction, easy molding and beautiful appearance, and can be compounded with other metals or alloys. It is the main material of mid-range cookware. However, the aluminum liner can't directly contact with food and must be protected at one time. Techniques such as thinning and stretching are often used to manufacture aluminum gaskets. This technology can keep the thickness of the pot rim and bottom, save materials and make the inner container look thicker.

2. The popular word "thick kettle" for liner.

The "thick pot" liner refers to the liner whose bottom and wall are made of thick metal materials. Because food transfers heat through the liner, under certain conditions, the transferred heat is directly proportional to the heat transfer area, that is, the heat transfer effect of the liner is directly proportional to the thickness of the liner. Only when the thickness of the inner container reaches 3-4mm can the heat transfer channel needed for cooking food be fully satisfied, and the effect of "delicious rice and meat" of Zhong Ming Shi Dingjia can be achieved. If the thickness of the inner container does not reach 3-4mm, it cannot be called a real "thick kettle".

3, stainless steel liner

The best stainless steel liner is made of 304 plate, which has excellent corrosion resistance and intergranular corrosion resistance. Generally, 4L cylinder liners are made of about 0.5 plates, and 5L and 6L cylinder liners are made of about 0.8 plates. 202 plate will be used to process slightly inferior stainless steel liner, and the rust prevention ability of 202 plate is slightly worse than that of 304 plate. The stainless steel liner at the lower end is 20 1 plate. Because the 20 1 stainless steel that can be purchased in China at present is difficult to meet the National Hygienic Standard for the Dissolution of Harmful Metals from Stainless Steel Tableware Containers, the stainless steel rice cooker with extremely low price must be carefully selected.

4. The popular word "beehive" in liner.

Honeycomb liner means that the thermal effect line of the liner is designed in a honeycomb arrangement, which can make the thermal convection more sufficient and improve the energy efficiency than the traditional planar liner.

5. liner buzzwords? "composite bottom"

Because the thermal conductivity of stainless steel is very poor, in order to make up for this deficiency, it is necessary to lay an aluminum layer for heat absorption on the outside of the bottom, and then cover it with a layer of stainless steel as the surface layer. The inner container adopting this treatment method is usually called "double bottom".

6, ceramic (purple sand) liner

Purple sand belongs to pottery and is a safe inorganic material. The inner container made of purple taro is rich in natural iron, zinc, calcium and other trace elements, which is beneficial to human health. The cooked food tastes good, and the surface is super hard and wear-resistant, acid and alkali-resistant, corrosion-resistant and good in heat preservation.

Perhaps our common or well-known rice cooker liners are relatively simple, that is, stainless steel rice cooker liners, but in fact, its materials can be classified in other aspects, including some ceramic rice cooker liners that focus more on healthy food, etc., all of which have their own irreplaceable advantages and characteristics. The above article analyzes the common materials of rice cooker liner and compares their advantages and disadvantages. When you choose a rice cooker, you can consider these differences comprehensively.

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