PERMATEX 81730 Used For Windshields/ Sunroofs/ Windows/ Headlamp Assemblies/ Marine Glass/ RV Vents And Windows; 1.5 Ounce Tube; Single. ManufacturerPart : 81730. Used For Windshields/ Sunroofs/ Windows/ Headlamp Assemblies/ Marine Glass/ RV Vents And Windows; 1.5 Ounce Tube; Single.