The first thing to keep in mind when using fuse dichroic glass is that, like all glass used in glass fusing, it must be compatible. Regular windows or glass floats are generally not compatible and should be avoided.
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In addition to the description, you will see that each piece of glass has a number of COE, usually 104 or 90. You have to fuse the glass using the same COE glass and do not have to cross it to the end. COE or coefficient of expansion is simply a measurement of the expansion rate glass as it is being heated passes.
Dichroic glass can come in a clear or black base. On black can be used as a base. On clear best used on the basis of a darker as the coating can be almost invisible in sunlight.
If you use more than one layer of dichroic glass, you have to remember that the coated side must not touch each other. Remember that the coating is a metal oxide. This has two directly connected means that the glass cannot fuse properly, so that both the pattern of defective glass shattered.
This glass can be used as an inner layer or the top layer, left uncapped. If left uncapped, the layer will give the metal resistance to scratches. Unfired, the coating should be treated with caution because prolonged exposure to water can damage the coating and it is very prone to scratches.