A resin blend and method of producing the resin blend, the resin blend comprising one or more first liquid crystal monomer at a ratio to one or more secondary monomer, said secondary monomer and said ratio being adapted to maintain said resin blend in a nematic liquid crystalline state after addition of an inorganic filler at a temperature of 20.degree. C. for about 30 minutes or more, the resin blend having a polymerization shrinkage of 3 vol. % or less.