GSB-78 has serviced the U.S. aviation industry for over 25 years. The one-pass treatment of GSB-78 and friction aggregate is compliant with P-608-Rapid-Cure Asphalt Seal Coat, recently published as part of the (10-H) specifications. Traffic ready in 2-3 hours, Even at night meeting friction requirements! Safe, Proven, Effective, asphalt pavement preservation.