Fortex PCB Developer is suitable for use with all alkaline developed, positive photo resists and fully aqueous dry film photo resists. * Developer gives a long tank life and fast developing time * Recommended dilution: 3 to 1, or less, depending on temperature * Optimum temperature 30°C * Supplied as 1 litre of concentrate - makes 4 litres of working solution Note: The shelf life of the solution is considerably greater than that of the crystalline form and should be kept in undiluted form in an airtight container. https://elecena.pl/product/27231561/fortex-liquid-developer-concentrate-3-1-mix-ratio-1l-makes-4l 2024-11-11 https://elecena.pl/product/27231561/fortex-liquid-developer-concentrate-3-1-mix-ratio-1l-makes-4l 2026-05-05 https://elecena.pl/product/27231561/fortex-liquid-developer-concentrate-3-1-mix-ratio-1l-makes-4l 2026-07-12 https://elecena.pl/product/27231561/fortex-liquid-developer-concentrate-3-1-mix-ratio-1l-makes-4l 2026-09-21