Epoxy resin: ordinary type 618, regardless of domestic imports, the key depends on the quality of transparent performance, other properties are not very important.
Curing agent: Modified amine curing agent with good transparency. If it is a non-modified amine, such as ethylenediamine and other polyamine curing agents, it is more toxic. There are also shortcomings in the performance of crafts.
Excipients: defoaming agent, plasticizer, diluent (with or without addition as appropriate), etc.