1302 Acid Cleaner for metal etching
1302 is an acidic cleaner used in the preparation of both ferrous and nonferrous metals prior to application of photoresists. Immersing the panel in the cleaner will remove impurities from the metal surface enabling good adhesion of dry film resist.
Can be used between 15° and 40°C; normal immersion time 3 - 4 minutes.
Supplied as a 1 litre concentrate mixed 4:1 with water. 200ml makes 1 litre of acid cleaner.