U428 Quick Cure Automotive Urethane Adhesive Betaseal 10 oz. Tubes BLACK 10 ml Single Application Primer Stick Great adhesive product for most materials, waterproof, superior bonding Professional use product. *Seller highly recommends buyer use a qualified glass installer for use of this product. A Dupont Chemical OEM product For use on all auto glass installations Primerless urethane - no primers to glass required meets all federal retention and roof crush tests. Shelf life 6 months unopened 2-5 days opened New 100's in stock 26:1 or better Thrust Ratio Professional Caulk Gun required with Large Nozzle If you ever have any questions in regards to installations or procedures feel free to Contact us as we have been doing auto glass since 1975 2 tubes of urethane required for most windshield or back glass installations. 1 tube for most other glass installations *1-2 Tubes come with 1 single application primer 3-4 Tubes come with 2 single application primer 6 Tubes come with 3 single application primer 8 Tubes comes with 4 single application primer 10 Tubes / 1 Case come with 5 single application primer*