Description This Heat Resistant (HR) mold is made of a cast iron alloy with Copper (Cu), Manganese (Mn), Chromium (Cr), and Nickel (Ni) for increased heat resistance. HR molds are designed to provide higher durability, while remaining cost effective. The HR molds are made to withstand an additional 150 degrees Celsius higher than standard cast iron molds. Universal (Au) Gold mold 1-5 oz
