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Use Sparex® No 2 for removing surface oxidation scale and pickling Gold Silver and Copper based alloys. This is a 2½ pound bag (makes 1 gallon of solution) Instructions included.
Sparex® No 2 is an easy to use longer lasting safe replacement for dangerous sulfuric acid in effective cleaning and pickling metals. A Non-flammable and non-explosive and produces smooth, clean, bright surfaces quickly and economically, without destroying fine detail or tolerances by minimizing the risk of over-pickling, pitting, burning, and wire brushing.
The prepared solution has 1½ times the available acid content of a 5% sulfuric acid solution and is more effective than citric acid pickle.
JETS Product # 0326-1602