A new, eight-page bulletin describes the use of PTSI (p-toluenesulfonyl isocyanate), a low-viscosity, reactive additive as a water scavenger in the formulation of specialty urethane products including sealants, adhesives and coatings. For additional information, contact VanDeMark Inc., One North Transit Rd., Lockport, NY 14095; call 716-433-6764; or fax 716-433-2850.
