... thinner specially designed for YAJIE primer and topcoat. With standard, Quick Drying, Slow Drying etc,It's thinner, Car Thinner: #Model ... specially designed for YA primer and topcoat. With standard, Quick Drying, Slow Drying etc, to match various qualities, spray area ... effectProduct Type And CharacteristicYJ-1 Thinner(Fast Drying)Silver primer, with high evaporating speed suitable for spot repairs ...