Pressure cooker to buy what size is good pressure cooker size has what

1, pressure cooker from the specifications, there are 20, 22, 24, 26 cm four models. Family population can buy a small size; population, naturally, to buy a large size. But to be considered from the thermal efficiency, you can pick a little bigger is appropriate. Pressure cooker from the raw material, divided into aluminum, aluminum alloy and stainless steel three.

2, the three have their own characteristics: aluminum light weight, fast heat transfer, cheap, service life of up to 20 years or more. But use it undoubtedly to increase the absorption of aluminum, long-term use of it is not good for health. Aluminum alloy to be better than pure aluminum products, durable, strong.

3, stainless steel pressure cooker is expensive, but it is heat-resistant, beautiful, not easy to react with food acids, alkalis, salts, and the longest service life, up to 30 years or more.