an epoxy resin, wherein the epoxy resin comprises at least one cycloaliphatic epoxide;

a cross-linker; fibers, wherein fibers are at least one of glass fibers, carbon fibers, aramid fibers, wherein loadings of fibers are from about 20% to about 40% in volume; and

a catalyst for accelerating hydrolysis of the thermoset composite, wherein the catalyst comprises a solid inorganic acid; wherein the cycloaliphatic epoxide comprises bis-(3,4-epoxycyclohexyl) adipate;

wherein the degradable thermoset composite has a glass transition temperature greater than or equal to about 140° C. as measured by DMA, wherein the reaction product has a tensile strength of at least about 10,000 psi, wherein the cross-linker comprises a cycloaliphatic anhydride, the cycloaliphatic anhydride comprises norbornene-based dicarboxylic anhydride, the norbornene-based dicarboxylic anhydride comprises nadic anhydride, wherein the degradable thermoset composite degrades from about 80° C. to about 150° C. under water or brine, wherein stoichiometric ratio between the cycloaliphatic epoxide and the norbornene-based dicarboxylic anhydride is about from about 1:1 to about 1:1.5, wherein ratio between the cycloaliphatic epoxide and the catalyst is about 1:08 to about 1:1.2 by weight.