You could, but you might need to make up your own procedures. The standard sample cavity will make a finished puck that will be hard to demold from the core when you use sheet molded fiberglas. The method of loading the cavity could also have an effect, as could the glass content and orientation. You might need to invent a new cavity and core configuration. SMC is a 30 year old technology and there should be some research papers out there to search out. The material suppliers might also have some good data for you so you do not have to reinvent the wheel.
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