🚗 Seal the Deal with 3M's Ultimate Primer! Protect your pinchwelds and extend the life of your installations. Ensure long-lasting performance against the elements. Perfect for encapsulated glass and PAAS applications. No activator needed—just apply and go! Elevate your automotive glass game with superior bonding. Fast-drying UV resistant Urethane adhesion The 3M Single Step Primer (08682) is a high-performance, UV-resistant urethane primer designed for automotive glass applications. This 30 mL liquid primer promotes superior adhesion, inhibits corrosion on pinchwelds, and is easy to apply without the need for an activator, making it ideal for a variety of windshield types.