Product Review

Thompson Medium Temperature - Medium Expansion Enamels for Copper, Gold, Silver, Low Carbon Steel & Metal Clay - 2oz Normal firing temperature range: 1400-1500 degrees F Coefficient of expansion range: 258-360 cubic expansion These high quality, acid-resistant, 80 Mesh enamel is the standard mesh size that Thompson sells. It is the mesh size used for most enameling procedures. It is glass that has been ground to a particle size slightly finer than 'granular sugar'. All Thompson enamels are lead-free!