"The craftsmen creatively added quartz to the clay to increase the proportion of silicon dioxide and reduce the proportion of aluminum oxide, so as to create products ... These findings show that ...

"The craftsmen creatively added quartz to the clay to increase the proportion of silicon dioxide and reduce the proportion of aluminum oxide ... China's porcelain "dual formula" technology ...

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"The formula we found generally mentioned white materials, such as aluminum oxide and quartz, but there was no hint of how much of each was needed. It also mentioned gray-colored substances like ...

If you have sensitive skin, try these gentle deodorants, from antiperspirants to natural deodorants, and learn how to pick ...

These findings show that China's porcelain "dual formula" technology can be traced ... porcelain clay mined near Suyukou features high aluminum oxide content. "The craftsmen creatively added ...

And sometimes it depends on the kind of bleach — a chlorine formula? or one free of chlorine ... steel because it removes the chromium oxide layer that protects the surface from rust.

It’s made with zinc oxide and magnesium hydroxide to ... And because it has no aluminum or baking soda in its formula plus all these extra benefits, it makes for an excellent deodorant for ...