| abstract |
A thermosetting epoxy resin composition comprising (A) a glycidyl type epoxy resin comprising a mixture (a1) of 10% by weight to 90% by weight of at least one cycloaliphatic glycidyl group having no ester group Type epoxy resin, and (a2) 90% by weight to 10% by weight of at least one cycloaliphatic glycidyl type epoxy resin containing an ester group, each based on the total weight of (a1) and (a2), B) at least one cationic curing agent, and optionally (C) at least one decylated filler, which is particularly suitable for the manufacture of electrical engineering user external insulation system articles by casting, potting, encapsulating and impregnating methods, wherein Other items exhibit good mechanical, electrical and dielectric properties and can be used as insulators, bushings, switchgear and instrument transformers. |