B'laster is known for its pro-grade range of penetrants, lubricants, greases, and corrosion protectants, designed to tackle the toughest jobs. Best known for the #1-selling PB Penetrant in the USA, B'laster has earned the trust of professionals for products that break through rust, extend the life of components, and deliver reliable results every time.
B'laster is trusted by professional mechanics, motorsport teams, and DIY enthusiasts. Born in the USA and proven for over 65 years, B'laster products are engineered to deliver superior results in the toughest conditions.
Now available exclusively at Repco in Australia and New Zealand, the range is ideal for workshops, industrial use, and everyday maintenance. Explore the full B'laster range now:
Was born in 1957 in Cleveland’s Rust Belt. Founder William Westley created PB B’laster Penetrating Catalyst to free seized machinery in a Florida phosphate mine. The breakthrough formula became the #1 US penetrant, launching a full pro-grade line of penetrants, lubricants, and rust protectants for tough conditions.
Backed by decades of feedback from mechanics, miners, and motorsport pros, B’laster leads the way in lubricant and penetrant innovation. A standout advancement is the Control Flow ProStraw™ delivery system - found on PB Penetrant and Multi-Max Lubricant – featuring unique volume control for adjustable, targeted use.
When rust and corrosion lock parts tight, B'laster's PB Penetrating Catalyst is your go-to solution. Engineered to quickly break through stubborn rust and grime, it frees up seized nuts, bolts, and fittings — saving you time and hassle. Trusted by mechanics and motorsport pros alike, PB B'laster delivers powerful, fast-acting performance every time.
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Keep things running smooth with B'laster's range of lubricants. From the versatile Multi-Purpose Lubricant for everyday jobs, to the advanced Multi-Max Synthetic Lubricant, and the specialist Chain & Cable Lubricant for moving parts, B'laster has you covered. These lubricants reduce friction, displace moisture, and protect against wear — perfect for the workshop, garage, or home.
Shop LubricantFor heavy-duty, long-lasting lubrication and rust prevention, B'laster White Lithium Grease and Surface Shield deliver tough, water-resistant protection for metal parts like gears and hinges. Surface Shield's lanolin-enriched barrier guards against corrosion, providing durable, long-term protection in harsh environments.
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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.
PB B'laster is safe on all metals, including brass, copper, aluminum, etc.
It depends on the density of the rubber or plastic. Low density (flimsy) rubbers and plastics will deteriorate from long-term exposure to PB. Higher density rubbers and plastics may have some surface softening, but this will not affect its structural integrity.
For clean-up we recommend a simple solution of dish soap and water.
No, PB B'laster Penetrant does not contain silicone.
Yes, PB B'laster Penetrant does not contain silicone and is therefore safe for use in body / paint shop environments.
No, PB B'laster Penetrant is formulated specifically to be a rust penetrant. However, it may help with the physical removal of flash rust.
