Technical bulletin



ACTYBIO A4PS is a preservative formulated with two highly effective active ingredients, which in combination provide complementary levels of action, leading to robust and far-reaching effectiveness in the preservation of industrial products against bacteria, yeasts and fungi.

Preservative free of CMIT/MIT and formaldehyde releasers.


ACTYBIO A4PS is a combination of two highly effective assets, BIT and NaPT.


ACTYBIO A4PS is highly active against a broad spectrum of microorganisms, being used in “In Can” preservation of cleaning products, oil-in-water emulsions, latex, casein, paints and coatings, adhesives, polymer emulsions, slurries, textile finishing solutions, formulations of pesticides, titanium dioxide dispersions and greasing and in finishing solutions for the processing of leather.

ACTYBIO A4PS has excellent thermal stability, can be used in the most extremes such as high temperatures, high alkaline pH and in the presence of amines, where other preservatives can be ineffective. It provides long-term storage stability and effective control of a vast range of microorganisms at economical concentrations.

ACTYBIO A4PS is an effective preservative against the growth of microbial agents in aqueous systems. It has an excellent cost and effectiveness, it is free of CMIT/MIT and releasers of formaldehyde, it does not contain heavy metals and is easy to handle.