Did You Know: PELESTAT and PELECTRON permanent anti-static additives do NOT lose effectiveness over time. Unlike ordinary anti-static additives which migrate over time, PELESTAT and PELECTRON are true permanent anti-static additives. They do not migrate and, thus, never lose their effectiveness. Surface Resistivity as molded is the same one year, five years, ten years later. This is important for applications involving long service life. Use the Contact Us link for Long Term testing data.