SG/CF Additive Package For Engine Oil general internal combustion engine oil additive package prepared from fine single agent, with advanced formula blending. It is the high-grade additive used for blending high level oil products.The performance of oil products blended with T3134 is durable,which can significantly reduce the engine piston accumulated deposition of carbon and varnish, also as excellent anti-oxidation to corrosion resistance and anti-wear resistance ,and it could extend oil drain intervals. It can meet API SF/CD ,SG/CF level.