1results about How to "Excellent anti-scale explosion performance" patented technology

The present application provides a kind of enamel enamel for thick hot-rolled steel plate and enamel and its preparation method.The chemical composition of the enamel enamel includes: SiO2 55%~58%, Al2O3 2.4%~3%, B2O3 11%~13%, CaO 1.5%~2.5%, SrO 0.5%~1.7%, CoO 1%~2%, NiO 0.5%~1%, Na2O 16%~19%, Li2O 1%~2%, K2O 1%~2% by weight content.The enamel enamel for thick hot-rolled steel plate provided by the present application can prepare 550MPa grade super-thick specification hot-rolled steel plate double-sided composite coating enamel with excellent performance, the coating has strong bonding force with steel plate, the adhesion strength is filamentous, resistant to citric acid A+ or above, the yield strength of enamel steel plate after enamel burning reaches 400~460MPa, and has very good anti-scaling performance.