The brush should also be dipped into a cleaning solution.
Clean electrical contacts rubbing alcohol.
Insert the brush into the contact or wipe it off.
While it is a great sanitizing agent it also cuts grease therefore there are infinite uses for it around the house.
Isopropyl rubbing alcohol 91 may also be effective but it is best to use the purest ipa available.
This video shows the comparative evaporation rate of 99 8 pure ipa 70 ipa and acetone.
Ipa 99 has flammable liquid and vapors so be sure that the device is completely turned off and give ipa 99 time to evaporate before turning any hot components on.
Greasy contaminants might be an issue such as laser printer and inkjet electrical contacts.
In fact isopropyl alcohol can be used for cleaning purpose disinfectants paint thinners inks general purpose cleaners and windshield thawing agents.
Then take the part of the brush that you dipped into your solution and insert it into the electrical contact slot or wipe the brush across the surface of the contact if it is exposed.
Where water droplets would cause problems isopropyl quickly evaporates and can be used to dry water residues.
But if that is not available you can use nail polish remover white vinegar or rubbing alcohol as alternatives.
Before you start cleaning unplug the item.
Make sure that the brush is not dripping with the solution.
But for screens the fast evaporating combination of rubbing alcohol available in both 70 and 90 strength.
In the case of electrical contact cleaning the faster evaporation helps ensure the flammable solvent is gone before energizing the equipment.
Stick a q tip down there or is there some better way.
Make sure that the item is unplugged before you start cleaning it.
My preferred cleaner has always been acetone.
It cuts oil carbon and other residues better than alcohol.
That is one of the reasons 70 pure isopropyl alcohol is commonly used for degreasing and smt stencil cleaning.
Is isopropyl rubbing alcohol adequate for cleaning electrical contacts or do i need to get some stuff formulated to clean contacts.
For 90 just change the ratio to 1 1 25 isopropyl to distilled water and distilled water do not use tap water since it could leave mineral water stains works wonders at removing oily smudges without a streak in 2 3 swipes.
Be very careful when cleaning a computer or electronic device with ipa 99.
While you are at it you should also check if the contacts need burnishing.
It is safe to use alcohol to clean electrical contacts.
If it is dab it off on a paper.
You can clean electrical contacts with just a microbrush and some solutions.
