Tannins and human health: a review. Chung KT, Wong TY, Wei CI, Huang YW, Lin Y. Department of Microbiology and Molecular Cell Sciences, University of Memphis, TN 38152, USA. Tannins (commonly referred to as tannic acid) are water-soluble polyphenols that are present in many plant foods.
How to Cast Jewelry. Jewelry casting is a process of making jewelry pieces that involves the pouring of liquid metal alloy into a mold. It is usually referred to as lost-wax casting because the casting mold is created using a wax model that is melted away to leave a hollow chamber in the middle of the mold.
Epoxy Resin: These resins are more frequently used in the crafting and hobby world, they are easy to use with a low toxicity, making them suitable for ventilated craft rooms and work areas. Epoxy resin is perfect for jewelry casting as it has a shallow setting depth, so it will cure quickly when used correctly.n this tutorial, you will learn about basic resin casting-the types of resins, how to measure them and how to work with them. You will also learn about different types of molds and how to mix them.