Pebeo Setasilk Silk Painting Diluent 250-Milliliter Bottle The setasilk diluent is available in a 45ml bottle with spout and in a 250ml bottle The setasilk colors thinned using setasilk diluent can be used on all types of silk; the colors are air dry in a few minutes The setasilk colors are fixed by ironing 3 to 4 minutes on the reverse side of the fabric with a hot iron; 48-hour after fixing, colors resist hand washing and dry cleaning For application, Pebeo recommends using pure squirrel brushes which are ideal for painting on silk as they are soft and very thin, with a high retention capacity; Clean brushes with soapy water