ChemMet Maroon Group | p-Toluenesulfonyl Isocyanate PTSI
ChemMet Maroon Group is a global supplier of p-Toluenesulfonyl Isocyanate (PTSI). PTSI is widely used as a moisture scavenger in urethane chemistries. ChemMet Maroon Group provides the highest quality, most reliable source of PTSI.