Lesonal 1K Etch Primer Filler is the perfect product for spot repairs and sanded-through spots.  It dries in a remarkable 15 minutes in the booth and only 45 minutes at ambient temperatures.  This Etch Primer has very good adhesion properties.  It has sufficient filling power to fill small surface defects and it sands beautifully.  Can be used in combination with all Lesonal Thinners. Comes supplied in a 1 litre container.