Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this penetrating oil as the most effective solution for rusted, seized, or frozen bolts, with many calling results miraculous and noting it works faster and more reliably than competitors. Beyond breaking rust, reviewers appreciate its dual role as a light lubricant that leaves a protective film, preventing future seizing on hinges and mechanical parts. However, a significant frustration persists: spray cans frequently lose propellant pressure when one-third to one-half full, rendering remaining product unusable. Some mention strong odor requiring ventilation. Despite spray can defects, most customers consider this the industry standard for rust removal and keep multiple cans on hand.
Customer review summary generated by AI, including incentivized reviews.Perfect
[This review was collected as part of a promotion.] I recently tried the Blaster PB Penetrating Catalyst, and honestly, it did exactly what I needed it to do. I had a couple of stubborn, rusted screws that wouldn't budge no matter how much force I used. After spraying this and letting it sit for a few minutes, I was finally able to loosen them without stripping anything.
From influenster.com
Try it it works
Would RecommendDoes the job at right price
Verified Purchaser
Long lasting lubricant. Great value for the price
Would RecommendBlaster MP is awesome to get bolts unstuck and more.
Verified Purchaser
Good bottle o’ lube
[This review was collected as part of a promotion.] Good performance. Has a wild smell. Very effective. The sprayer is good for coverage and easy application. Overall great lube. Definitely recommend
From influenster.com
Penetrating Oil
Would RecommendWorks as expected!
Verified Purchaser
Worked Great on Freeing Up Parts
Would RecommendI needed something to help with replacing a part on a 25-year old Concept2 rower. I needed to replace the flywheel, but 2+ decades of rowing with the flywheel sitting in the same fitting meant something extra was needed. Concept2 tech suggested WD-40, but that didn't work. I heard about PB Blaster. Applied one day, let it sit overnight, and Voila!...off came the flywheel!
Breaks looks faster
[This review was collected as part of a promotion.] It works very well to remove screws that are very stuck and full of star. It works perfectly for any rusted or frozen part and also protects against further rust and corrision.
From influenster.com
The straw feature is not good
I think I bought the 11 oz can of PB BLAST with the straw a few months ago or in the spring. Tried using is both ways and nothing comes out even though the can is almost full. I spent money on garbage.
From blastercorp.com
Works great
[This review was collected as part of a promotion.] PB Blaster Penetrating Catalyst is one of the most effective rust-busting sprays out there. It quickly breaks down corrosion and frees up rusted nuts, bolts, and other metal parts. The formula penetrates deep and starts working fast—great for automotive, home, or industrial use. It does have a strong odor, but the performance more than makes up for it. A reliable go-to for any mechanic or DIYer dealing with stubborn metal parts
From influenster.com
Unsticks everything
[This review was collected as part of a promotion.] Man I put this s*it on everything lol. This stuff works great on anything that you need unstuck. It's only downfall is the smell, it lasts awhile and is very strong. Working indoors with it is very tricky.
From influenster.com
Nice
[This review was collected as part of a promotion.] Really easy to apply and it work amazingly!!! I applied this on my outdoor door hinges which always gets rusted!! And this apart actually works!!
From influenster.com
Reliable Penetrant
[This review was collected as part of a promotion.] PB B'laster is a standard and effective product for freeing rusted or seized hardware. It successfully broke loose several extremely corroded fasteners on a recent project, performing reliably as expected. This product is a necessary tool for difficult mechanical work.
From influenster.com
Blast with this PB B’laster Penetrant
[This review was collected as part of a promotion.] This PB B’laster Penetrant is a perfect lubricant. Just like its name it blasts into any hard to reach area. Loosened rusted bolts and door hinges making the job easy.
From influenster.com
Awesome Blaster!!
[This review was collected as part of a promotion.] Alright, let me hype up the Blaster PB Penetrating Catalyst—this stuff is a total lifesaver! Been using it for a while now, and that spray nozzle is clutch for getting into tight spots. The can feels solid, and that “since 1957” stamp just screams reliability. It blasts through rust like a champ—had a stubborn bolt that came loose after one soak, no joke! The smell’s a bit much, but a quick vent fixes that. Hands down, 5/5—this is my go-to for ...
From influenster.com
A must have for any gearhead
[This review was collected as part of a promotion.] Works great on my 54 year-old muscle car I have bolts that never have been off the car and they came off like they were new hard to reach places that new tip is incredible. A must have for any gearhead.
From influenster.com
NEW SPRAYER DOES NOT WORK
LOVE FLUID USED IT FOR YEARS NEW FLIP UP SPRAYER IS JUNK
From blastercorp.com
Powerfull rust penetrating
[This review was collected as part of a promotion.] The blaster helped me take off the nuts from my catalyzer in my truck! The blaster dissolved all rust without dissolving the nut and the description say compatible with the auto shop,make a lot things for a cheaper price.
From influenster.com