Positive Plate Developer KY161 SGZ KY161 Positive Plate Developer is an alkalescent developer suitable for various Positive PS plate, especially good for SGZ Etching Zinc plate. 1) KY161 Developer powder Packing: 500g/bag, 30bags/ctn 500g could mix into 1L developer liquid. 2) KY161 Developer liquid Packing: 5L/plastic drum, 3drums/ctn powder: 500g/bag, 30bags/ctn; liquid: 5L/drum, 3 drums/ctn |