Diglycidyl ether of neopentyl gylcol mixed with N,N'-diglycidyl-5,5-dimethylhydantoin Heloxy WC68 mixed with XB 2793 Hydantoin, 1,3-bis(2,3-epoxypropyl)-5,5-dimethyl- mixed with 1,3-bis(2,3-epoxypropoxy)-2,2-dimethylpropane MT9190600 N,N'-Diglycidyl-5,5-dimethylhydantoin mixed with diglycidyl ether of neopentyl glycol Neopentylgylcol diglycidyl ether mixed with N,N'-diglycidyl-5,5-dimethylhydantoin XB 2793 mixed with heloxy WC68