Potassium formate, wani gishirin formic acid, ya fi inganci fiye da sauran magungunan rage icing kamar:

• Potassium acetate
• Urea
• Glycerol

Idan aka kwatanta da sinadarin potassium, wanda aka ɗauka a cikin inganci 100%, sinadarin potassium acetate yana da inganci na kashi 80 zuwa 85% kawai, ya danganta da yanayin zafi da ake ciki.

Wannan ya kwatanta da ingancin kusan kashi 70% na urea da kuma kashi 45% na glycerol.