... zinc free (except for encapsulated colors) b) About 60% water can be added and then stirred c) Can ... some BF-NJV and BFNJC-1 is added, more water added, and, after passing mesh size 250, ... For example with BF501A: 100 grams BF501A, add 60ml water, add 40 - 50ml BFNJC-1 after stirring well ... , continue stirring and adding water until the right viscosity is achieved, then pass ...