... industry,IS Mainly use of active zinc oxide Product Name rubber grade Activated zinc oxidewhite /slight yellow fine powder ... /g. °C, melting point 1973 °C, Zinc oxide evaporates in 1000 °C .Standard: HHXPQB-YHX(HX)-2005Technical ... index Itemtyrerubberdesulphurizer1 #2 #Zinc oxide ( ZnO ),% ≥95-9895-9895-9895-98Moisture,% ≤0. ... 0.600.25-0.35 rubber grade zinc oxide