U-428 is one-component, conventional-cure adhesives. 

Eliminate steps and speed installations by incorporating glass primer into the

 urethane
Provide improved decking, even in hot weather

 
Rely on temperature, humidity and time to cure

The water in the air causes a chemical reaction in the adhesive

The adhesive bead cures from the outside  to the center as the moisture diffuses

 into the adhesive 

The curing bonds the adhesive to the substrates and existing bead of urethane adhesive

2 Tubes required for most windshield or back glass installations

this listing is for 2 tube urethane glue

If you have any question regarding our product please contact us

Thank you