Alumina ceramic conical burr for hand coffee grinder

What’s cons and pros of ceramic conical burr grinder in hand coffee maker? Ceramic burr grinder may be one of biggest invention in hand coffee maker in the past 20 years. The grinding mechanism is the crucial part, the soul of your coffee grinder, the flavor of coffee will be directly decided by the quality of grinding mechanism. Why using a ceramic burr grinder in place of plastic or metal ones?  1. Ceramic burr grinders are universally made from high purity alumina, a kind of naturally reinforced advanced ceramics, it was proven to be reach food-grade fully. 2. Another advantage of ceramic burr offer “less heat generation” at grinding process than metal ones, the aroma of released oil of fresh coffee after grinding would be maintained ideally. 3. Wear resistance is one of biggest features of high purity alumina, the hardness is related to the wear resistance directly. As some authority says, the h…

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