This standard specifies the model, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for sulfonic acid curing agent products for casting resin. This standard applies to the sulfonation of benzene, toluene and xylene with sulfuric acid. Separation of obstructed solid and liquid sulfonic acid curing agents.
HG/T 2345-1992 history
1992HG/T 2345-1992 Sulfonic acid curing agent for casting resin