Not sure which % you need? - Check out our blog to gain an understanding! https://www.sydneysolvents.com.au/blog/our-blog/what-is-the-difference-in-the-percentages-of-isopr/
Isopropyl Alcohol 99% is a common percentage of isopropyl alcohol. The 99% is made up of pure alcohol and the 1% is water moisture. This grade of solvent can be used for cleaning, disinfecting, wiping down benches, mirrors, and much more. When deciding between isopropyl alcohol 99% and isopropyl alcohol 100% it is up to you as there isn’t really much difference between the two (only 1% to be exact). People usually lean towards 99% when they need it for a specific formulation. Isopropyl Alcohol 99% will work just as good as Isopropyl Alcohol 100%.
Differences in Percentages
90 - 100%
The higher percentages of Isopropyl Alcohol are used for cleaning purposes like disinfecting, window cleaning, stainless steel cleaner and when you need to kill bacteria, as well as many other uses. The higher the percentage like Isopropyl Alcohol 100% the greater the evaporation rate, and it is great as it dries faster. The high grades of Isopropyl Alcohol 100% are suitable for the majority uses and is commonly used by industrial users and cleaners.
Below 70%
A common percentage is Isopropyl Alcohol 70%, which is the grade recommended for rubbing alcohol when applying it to the skin. The lower grade of Isopropyl Alcohol 70% means that it is not as harsh to the skin, but it is still effective. Also, the lower grade is great for getting rid of the bugs off the plants and also disinfecting as the water content mixed with the alcohol fights against growing viruses and fungus.
So which one should you get?
No matter what the percentage, Isopropyl Alcohol 100%, Isopropyl Alcohol 99% or Isopropyl Alcohol 70% are beneficial product to have in the workshop and household. The many uses it has makes it a handy product to have around. Depending on your application will impact of the percentage.