French Process ZnO vs. American Process ZnO
Smithers Laboratories Testing Confirms Two Distinctly Different Products for Tire and Rubber Compounding. A recent study by Smithers Laboratories concluded that French Process (FP) zinc oxide outperforms both American Process (AP) zinc oxide as well as commercial blends on a variety of key metrics. These findings, which resulted from testing three compounds (neoprene, tire wire […]