Overview Reviews Product Description Primaclean windshield prep is for urethane and butyl installations. Removes mold release agents and other contaminants from glass and frit, ensuring maximum adhesion of primer. Quart Product Videos Custom Field Product Reviews Write a Review Write a Review × Prima Clean Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *