... 1,absorbed on metal surface 2,be used together with many scale inhibitors and fungi disinfectants 3,dosage of 2 ... -4mg/l 4,BTA Specification:itemsindexAppearancePale yellow transparent liquidActive content(wt) %50.0 minDensity(20°C ... copper and other metals. It can be used together with many scale inhibitors and fungi ... dry place.Synonyms:BTA; 1,2,3-Benzotrialole;1,2-Aminoazophenylene;1,2,3-Triazaindene