Technical bulletin



ACTYBIO A4 is a preservative with high performance and a broad spectrum of activity, intended for microbiological control and preservation of materials in the wet state. It has a wide spectrum of activity against bacteria, fungi and yeasts.


ACTYBIO A4 is a solution of 1,2-benzisothiazolin-3-one in dipropylene glycol and water.


ACTYBIO A4 has a broad spectrum of action and can be used in the preservation of products cleaning agents, oil-in-water emulsions, latex, casein, paints and coatings, adhesives, water emulsions, polymers, slurries, textile finishing solutions, pesticide formulations, carbon dioxide dispersions, titanium and leather processing solutions.

It has excellent thermal stability, can be used in the most extreme situations such as high temperatures, high alkaline pH and in the presence of amines, where other preservatives can be ineffective. It provides stability for long-term storage and effective control of a wide range of microorganisms in economic concentrations.