Day: April 4, 2013

Silogram – Trouble in the Drum

In response to numerous calls received on the PQIA HOTLINE coming from the NY metro area where Silogram is sold, the Petroleum Quality Institute of America arranged for the purchase of Silogram 5W-30 API SN, GF-5 motor oil in drums, and we cracked the bung to see what was inside. In doing so, we understand… Read More ›