Millennium ZBSF Zirconium sulfate Millennium Chemicals Extenders / Fillers ADHESIVE Millennium-ZBSF is supplied in a crystal form and can be used in Titanium Dioxide pigment coating and leather tanning. This product is optimized for TiO2 pigment coating due to the incorporation of specialty additives. This product requires processing for use however, it is highly convenient for those clients who require smaller quantities of zirconium sulphate or, do not have the facility to handle hazardous solutions. Zirconium sulfate. Requires processing for use. Highly convenient for clients who require smaller quantities of zirconium sulphate or, do not have the facility to handle hazardous solutions.