(DDP)Diamond Dotted Insulation Paper Special specification can be supplied according to customer's request. Diamond dotted insulation paper is made of electrical insulating paper with diamond-shape epoxy resin dotted in both sides .the epoxy resin used in D.D.P.contains a kind of incubative hardener material ,it is a dry and crisp material at normal temperature(below35) This product has good dielectric properties and good mechanical properties after being heat-solidification .It can be used as insulation material for coils and between layers of oil immerged power and distribution transformers . Thickness(mm):0.08 ,0.12 ,0.17 .