1/4-1/2-1-2 oz High Density Graphite Gold Bar Mold 4-Cavitiy Combo-Silver Copper sets Pour into your crucible and

Pour into your crucible and heat to 2100F

This set includes 9 pcs

Copper and many more metals

• UV Wavelength: 380-385nm

You didn’t keep the temp up to 2100F

1/4-1/2-1-2 oz High Density Graphite Gold Bar Mold 4-Cavitiy Combo-Silver Copper sets Pour into your crucible andEach Mold has 4 cavities 1 1 4 oz 1 1 2 oz 1 1 oz & 1 2 oz Sizes are as follows; 1 4 oz Cavity is 5 16" X 5 8" X 5 32" Deep 1 2 oz Cavity is 7 16" X 27 32" X 3 16" Deep 1 oz Cavity is 9 16" X 1 1 16" X 1 4" Deep 2 oz Cavity is 21 32" X 1 1 4" X 5 16" Deep Machined graphite mold with the slight wall taper for better metal removal. This Mold is great for making several bars at the same time. The weight of each bar depends on what metal your working with