Why Is 70% Isopropyl Alcohol (IPA) a Better Disinfectant than 99

How does one solution kill viruses and bacteria on contact, and the other not at all?

Why 70% IPA is widely used as a Disinfectant ?

Pure & Unadulterated Alcohol: Made from the highest grade, 99% pure isopropyl alcohol. High purity alcohol contains no inert ingredients like methanol

ForPro 99% Isopropyl Alcohol (IPA), Pure & Unadulterated Concentrated Alcohol, 32 Ounces (Pack of 4)

Why is 70% isopropyl alcohol (IPA) a better disinfectant than 99? - Quora

Why Is 70% Isopropyl Alcohol (IPA) a Better Disinfectant than 99% Isopropanol, and What Is IPA Used For?

Why 70 Percent Alcohol Is A Better Disinfectant Than 95 Percent Alcoho – MOXĒ

Isopropyl Alcohol IPA 99 9 Cleaning -Rubbing Alcohol- Propan-2-ol

CleanPro® 70% IPA Isopropyl Alchohol, Case of 4 Gallons

How to Make 70% Isopropyl Alcohol from 99% Isopropyl Alcohol – Alliance Chemical

A Hidden Leading Cause of High Fatality Rate over COVID-19: High Blood Sugar, by An Introvert's Garden Library

Isopropyl & Denatured Ethanol Disinfectant Selection