... 55 shore to 75.Electronic circuit printingR, RR, HQ, BD series use in electron, electric circuit, circuit wafer, faceplate, product label, film ... shore, to 80 shore. Glass printingAA, HA, HQ, HH series used in engineering household appliancesconstructiondecorationautomobilesContainersartintelligent glass printing, the hardness range is 70 ...