Bonding agent between the metal part and filtration paper.

VF and OF/AL PVC Plastisol is a dispersion of a paste-forming PVC polymer in softeners with the addition of fillers, pigments, and lubricants which facilitates their processing.
PVC Plastisol VF is a one-component PVC plastisol designed for the sealing of air filters.
OF/AL PVC Plastisol is a one-component PVC plastisol with an adhesive system designed for sealing oil filters. It is used as a bonding agent between the metal part and the filtration paper.