Circuposit (tm) 6540b reducer has 90-99% water and 1 - 10% boric acid, which smooths the surface of the board's copper layer.�used in electronic circuit manufacturing technology.
Cm-00044 # & circuposit (tm) 6540b reducer contains water 90-99% and boric acid h3bo3 1 - 10% has the effect of smoothing the surface of the copper layer of the circuit board.
Optibor boric acid - technical grade - granular - h3bo3 - spiritual container in the fields code cas 1303-86-2. items subject to subjects subject to chemical declaration under nd 113/2017 / nd-cp
