SMC, BMC and CSMC thermoset materials are based on unsaturated polyester (UP), vinyl-ester (VE) or epoxy (E) resins, fillers, and glass fibre or carbon fibre reinforcement. Other ingredients such as catalysts, stabilizers, mould release agents, thickeners, pigments and specific additives are used to enhance its properties and facilitate transformation or moulding process according to particular requirements.