What are 4 different types of CVI systems? Solution The four type of CVI i.e, Chemical VapourInfiltration system are; 1. Carbon-Carbon with Kerosene/ Methane as common precursor. 2. Carbon-Silicon Carbide with CH3SiCl3H2 as common precursor. 3. SiliconCarbide-Silicon Carbide with CH3SiCl3H2 as common precursor. 4. Alumina-Alumina with AlCl3CO2H2 as common precursor.