The advantages and disadvantages of high borosilicate glass and the difference from tempered glass？
Advantages and disadvantages of high borosilicate glass
High borosilicate glass has strong heat resistance. Take the glass out of the freezer and put it in hot water immediately, and the glass will not break. There is no problem from minus 20 degrees to 130 degrees above zero. The single-layer high borosilicate glass products can be heated directly in the microwave oven, and can be dried on an open flame for 20 minutes without any problem. High borosilicate is mainly used for glass products, microwave oven supplies, solar tubes, chemical reaction vessels, etc. It is widely used and is one of the safest drinking water supplies in the world. It has few disadvantages except high price and inedible.
Second, the difference between high borosilicate glass and tempered glass
High borosilicate glass is a kind of glass. It is called high borosilicate glass because it contains a high boron content; ordinary flat glass is soda lime silica glass, which basically does not contain boron. Tempered glass is a reprocessing of ordinary flat glass. The products obtained by (or deep processing) have no comparability with high borosilicate glass, and there is no mutual attribution. But they all have one feature in common: thermal shock resistance - rapid cooling and rapid heating will not burst. Obtained The principle difference of this characteristic is very different: high borosilicate glass is due to the boron content in its chemical composition, which makes it have a very low coefficient of thermal expansion. Naturally, it will not be broken due to uneven expansion or contraction; tempered glass is because after tempering, a strong compressive stress is formed on the surface of the glass, which can offset the unfavorable effects caused by the expansion or contraction of the surface due to changes in cold and heat. Influence. The performance of the former is congenital, and the latter is acquired. It is impossible to distinguish the two from the appearance.
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