A normal window or float glass is generally not compatible, so it should be avoided. Take a look at some glass suppliers and explore their options pattern. Along with the description, you'll see that each piece of glass has several COE, usually 104 or 90. You have to fuse the glass with a glass of the same COE and not have to cross them.
COE, or the coefficient of expansion, is simply a measure of the level of expansion of glass passes as it is heated. TO know more about the CBS dichroic glass, you may pop over to this website.
Dichroic glass could come either transparent or black base. In black can be used as a base. Of course, it is best used on a darker base, 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 means having two connected immediately that glass could not fuse properly so that the pattern of the broken glass defects.
This glass can be used as an inner layer or the top layer. If left uncapped, the coating will provide sufficient metal coating and scratch-resistant. Without fire, the layer must be handled with care because prolonged exposure to water can damage and be very prone to scratches.