ALLESSAN^® Protacryl encompasses WeylChem International’s phenothiazine (PTZ) inhibitor product provided as a 15% solution in diethylene glycol monobutyl ether solvent. WeylChem International’s phenothiazine (PTZ) inhibitors are among the most commonly used inhibitors and stabilizers for manufacturing high-quality monomers, derivatives, and intermediates that are integral to coating, adhesive, water treatment, and home and personal care applications.