Technical Parameters for PCB Electronic Potting Silicone Properties index Part A Part B Before Curing Appearence Black fluid Colorless / yellowish fluid Viscosisty (cps) 2500±500 - Features when operation Mixing Ratio ( By weight) 10:1 Operating Time (25C /min) 20~30 Curing time ( hr, basically cured) 3 Curing time ( hr, perfectly cured) 24 Hardness(shore A) 15+/-3 After Curing Thermal Conductivity[W( m@K)] ≥0.4 Dielectric Strength( kV/mm) ≥25 Dielectric[...]