I use PB Blaster on lug nuts that I can't get loose at work. About 95% of the time, it helps in about 15 minutes. A guy I work with swears by Fluid Film, especially if you let it sit overnight.
Every situation is different, so there is no hard and fast rule. In general, the more time you give it to work, the better. Repeated application over a period of days is most effective. The application of heat will accelerate the process.
You might need to leave the penetrating oil on for several hours, or even overnight to get the best results.
To allow for maximum penetration wait 30 minutes, then use a nap-free shop cloth and wipe the entire surface, removing excess product. Surface will be dry to the touch in 3-4 hours, ready for use in 12 hours, moisture resistant at 24 hours, and fully cured in 4-7 days.
The Process of Using Penetrating Oil
You will need to use it on the appropriate components and then give it time to become effective. In most cases, this will take at least 15 minutes or so. However, other oils will need an hour or so to ensure a bolt or nut is loose.
Generally, it is recommended to leave the oil on your hair for at least 30 minutes to an hour before washing it off. However, if you have extremely dry or damaged hair, you can leave the oil on overnight for better results.
For fabrics, baking soda or powdered carpet fresheners may help. You can also help the volatiles evaporate more quickly through the application of heat (by a hairdryer for instance).
The Ideal Waiting Period
The general consensus among automotive experts is to wait at least 5 to 10 minutes after adding oil before checking the level. This waiting period allows the oil to flow through the engine and settle in the oil pan, ensuring an accurate reading.
Keep in mind that sometimes it just ain't meant to be, but PB is the best thing i've found over the years for seized bolts, not WD or anything else. PB Blaster is just one of those things that should be in every shop.
A: PB Blaster is a penetrating oil intended for loosening rusted joints (threads, etc). It does this quite well. WD-40 is a "Water Displacement" treatment intended to leave a persistent rust-inhibiting coating behind, and resist washing off exposed parts.
It leaves no residue making it perfect for parts that will be painted. B'LAST ON: All Metals. Most Plastics & Painted Surfaces.
PB B'laster is safe for use on your firearms. It does well at cleaning and also leaves behind a petroleum oil that lubricates and protects from corrosion. However, hunters have claimed that deer will smell it "a mile away."
Penetrants, like Kroil, are flammable and should never be used around an open flame. Similarly, do not apply heat immediately after an item has been sprayed with Kroil or any other chemical.
Nuts & bolts, corroded pipe threads, ANYTHING that is rusted or corroded, stuck or frozen.
Over time, oil can oxidize and thicken, losing its capability to flow smoothly throughout the engine. The outcome of this process can be an inefficiently lubricated engine, leading to a higher risk of engine component damage. Secondly, oil left unused in the engine can lead to the build-up of sludge.
The high temperatures of the engine can cause the oil to vaporize and create a flammable atmosphere. Additionally, pouring oil onto a hot engine can lead to splattering and burns. It is always recommended to allow the engine to cool down before adding oil to minimize the risks associated with hot oil and a hot engine.
After adding oil to your car, it's recommended to wait for at least 5 to 10 minutes before starting the engine. This waiting period allows the fresh oil to properly circulate throughout the engine and reach all the vital components that require lubrication.
Sprayed it on and let it sit for 10 minutes.
The #1-selling penetrant since 1957, PB B'laster quickly busts loose rusted or frozen parts caused by rust and corrosion. It also contains a non-evaporating lubricant that saves time and equipment and protects against further rust and corrosion.
PB will not affect a factory-quality finish. Lower quality re-paints may be affected.
Standard Recommendations. For most vehicles, the general rule is six to twelve months. This isn't because oil magically “goes bad” at that mark, but because it's a safe window before it starts to lose its effectiveness.
Avoid Using Hot Water to Wash Out Oil
Using hot water to wash out oil can strip your hair of its natural moisture, leading to dryness and damage. Avoid shampoos with harsh chemicals that can further deplete natural oils. Instead, use a conditioner to restore moisture and shine to your hair.
Greasy hair is caused by the sebaceous glands on your scalp producing too much oil. The oil is then absorbed by your hair, and travels down its lengths – when there's too much, it makes your hair look clumpy and dull.