At present, the main raw materials of gas stove firearm (fire distribution cover) on the market are iron, alloy raw materials, iron copper raw materials and pure copper raw materials. The quality and application effect of these raw materials are greatly different.

　　Some people may ask, does a sub firearm have such a great impact on the gas stove? Not to mention, the use of poor quality fire separators is really greatly affected. For example, iron fire separators will soon rust after being used for a period of time because of high-temperature oxidation and oil salt corrosion.

　　The rust and residue of the firearm after rusting will easily block the fire hole, which will cause the flame to turn yellow and burn the bottom of the black pot. Moreover, if the iron raw material is too thin, it will be more severe. It doesn't take long to burn, and the firearm will rot through the big hole. It's not easy to find the same one on the market.

　　In general, there is no need to worry about the problem that the firearms of pure copper raw materials will be burned out. Pure copper is resistant to high temperature and is not afraid of rust, and the fire outlet hole is not easy to be blocked and deformed. For example, if the flame is yellowish after use for a period of time, you can poke the fire hole with an iron needle to clean up the residue or watch the flame gradually adjust the air inlet damper below, and adjust it to the left or right to make the flame blue.

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