LOCTITE® DRI 503™ ECO is a low-viscosity, water based, thread sealant that provides positive sealing and resistance to vibrational loosening. Thread filling capabilities provide “constant on” torque and works on all types of coatings and most plastics.
LOCTITE® DRI 513HV™ ECO is a high viscosity, tight clinging, non-curing sealant for tapered or straight threads. This product can be used on metal or plastic fittings. NSF Approved