::  Lead Fluorogborate Lead Fluorogborate   1. Molecular formula:Pb(BF4)2 2. Molecular weight:380.809 3. Property:Colorless and transparent liquid;odourless and not volatile;corrosive;relative density:1.74;1.66-1.67 for 45% of solution while 1.72-1.73 for 52% of solution. 4. Usage:Be used to print-circuit board,Tin-lead alloys ley and electrolyte of plating solution 5. Specificatios Assay: ≥28%(measured against Pb) Impurity level:   Impurity name Index HBF4 ≤2% H3BO3 ≤0.63% Fe ≤0.01% Si ≤0.1% 6. Packing :20kg plastic drum