RSC Bio Solutions Announces Distribution Through Major Suppliers
INDIAN TRAIL, NC- RSC Bio Solutions announced distribution of its new, ready-to-use Gunk Powered by SafeCare and Liquid Wrench Powered by EnviroLogic industrial cleaners, degreasers, and lubricants through Fastenal and Grainger, two industrial supply leaders, and O'Reilly, a major auto parts supplier.
INDIAN TRAIL, NC- RSC Bio Solutions announced distribution of its new, ready-to-use Gunk Powered by SafeCare and Liquid Wrench Powered by EnviroLogicindustrial cleaners, degreasers, and lubricants through Fastenal and Grainger, two industrial supply leaders, and O'Reilly, a major auto parts supplier. The Gunk Powered by SafeCare products includeTruck and Equipment Wash, Heavy Duty Degreaser, Universal Parts Washing Fluid, and a General Purpose Cleaner and Degreaser. The Liquid Wrench Powered by EnviroLogic line features Penetrating Oil, Jack Oil, Aerial Lift Fluid, and Mobile Equipment Hydraulic Fluid. These new, non-hazardous formulas were released this spring and are the company's first products to market since launching in 2010 as a biobased platform of Radiator Specialty Company (RSC), the 86-year-old company that houses the Liquid Wrench and Gunk brands under its RSC Chemical Solutions division.
"Grainger, Fastenal and O'Reilly are terrific distribution partners for RSC Bio Solutions' new ready-to-use cleaners, degreasers and lubricants," said Mike Guggenheimer, Vice President of Business Development for RSC Bio Solutions. "Working with two major industrial suppliers and a dominant supplier of auto parts supports our commitment to providing serious biobased solutions to companies in various markets looking for safer, yet highly-effective technology."
RSC Bio Solutions is continuing to qualify additional suppliers to expand the distribution options for the company's customers. The full product line is now available for order through Grainger, and O'Reilly is initially offering the Mobile Equipment Hydraulic Fluid. The complete product line will be available for order through Fastenal by early October.
The company's new product line was created through RSC Bio Solutions' partnerships with Gemtek® Products LLC and TerresolveTM Technologies Ltd., two leaders in the biobased market. RSC Bio Solutions' premiere products include:
Truck and Equipment Wash
The Gunk® Powered by SafeCare®biodegradable Truck and Equipment Wash is designed to break through even the most caked-on mud, dirt, and road grime to keep heavy duty trucks and equipment clean. The Truck and Equipment Wash is available in 1-gallon and 5-gallon containers.
Heavy Duty Degreaser
The Gunk® Powered by SafeCare®Heavy Duty Degreaser is formulated to cut through thick, grimy grease, dirt, and oil buildup to keep machines, vehicles and equipment looking and running like new. The biodegradable Heavy Duty Degreaser is available in 32-oz. trigger or 1-gallon containers.
Universal Parts Washing Fluid
The Gunk® Powered by SafeCare®Universal Parts Washing Fluid will remove years of built up oil and grease from metal parts. The solution is safe for all types of metals and can be used in an automated parts washer or soak tank. Its use of demulsifying technology makes the solution easy to maintain and can result in lower waste disposal costs. The Universal Parts Washing Fluid is available in 1-gallon and 5-gallon containers, and in ready-to-use solutions and concentrates.
General Purpose Cleaner and Degreaser
The Gunk® Powered by SafeCare®General Purpose Cleaner and Degreaser will quickly and easily power out any tough stain or slick grease from equipment and machinery. The General Purpose Cleaner and Degreaser is available in bulk, 32-oz. trigger or 1-gallon containers.
Penetrating Oil
The Liquid Wrench® Powered by EnviroLogic®Penetrating Oil's high-performance, biobased formula quickly dissolves rust, cuts through grease, penetrates corrosion, and easily frees stuck nuts, locks, bolts, hinges, clamps, and pipes. The Penetrating Oil is available in10 oz., 32 oz., and 1-gallon sizes.
Jack Oil
The Liquid Wrench® Powered by EnviroLogic®Jack Oil provides high antiwear and corrosion protection, and is formulated to reduce sling off, which offers superior lubrication. The biobased ISO 46 grade jack fluid meets all requirements of major hydraulic jack OEMs and component suppliers, and delivers premium performance when compared to petroleum-based jack oils. The Jack Oil is available in 1-gallon, 5-gallon, and 55-gallon containers.
Aerial Lift Fluid
The Liquid Wrench® Powered by EnviroLogic®Aerial Lift Fluid offers a premium performance when compared to petroleum-based aerial lift fluids. The formula is readily biodegradable and safe for use in all aerial lifthydraulic systems. The non-hazardous technology is designed to meet or exceed the requirements of most major hydraulic equipment manufacturers and has outstanding performance in low temperature environments. The Aerial Lift Fluid is available in 1-gallon, 5-gallon, and 55-gallon containers.
Mobile Equipment Hydraulic Fluid
The Liquid Wrench Powered by EnviroLogic Mobile Equipment Hydraulic Fluid is readily biodegradable and safe for use in all ISO 46 grade hydraulic systems. This biobased hydraulic fluid is designed to meet or exceed the requirements of most major hydraulic equipment manufacturers and has outstanding performance in low temperature environments. The Mobile Equipment Hydraulic Fluid is available in 1-gallon and 5-gallon containers.
For more information or to purchase these products, please visit www.rscbio.com.
More Maintenance & Uptime

Kooner and Global Partners Connect Mobile Fleet Maintenance and Fueling Services
A new referral partnership connects on-site fueling and maintenance services, with a focus on reducing off-site trips and making better use of fleet downtime.
Read More →
Maintenance Failures That Sideline Work Trucks and the Inspection List That Catches Them Early
Unplanned downtime hurts efficiency and even profitability for work truck fleets, but catching potential problems early can help prevent it. Here is an inspection list that can help potentially prevent that downtime.
Read More →
Hunter Engineering Enters Collaborates with Bosch for Remote Diagnostics Service Through ADASLink
Hunter Engineering’s collaboration with Bosch enables ADASLink to connect directly with Bosch diagnostic experts through an integrated remote support platform, allowing shops to service more vehicles.
Read More →From Our Partners
How JASPER Keeps Fleets Moving and Profitable
Sponsored by Jasper Engines & Transmissions

Basic Tracking vs Next Generation Fleet Technology
Sponsored by AT&T Business

5 Facts Every Fleet Manager Should Know About Embedded Telematics
Sponsored by Stellantis/Mobilisights

How AI Video Telematics Boosts Driver Safety and Helps to Avoid Unnecessary Costs
Sponsored by Verizon Connect

Charting the 8 Bottom-Line Benefits of Workforce Optimization
Sponsored by Verizon Connect


Mack Adds Chassis Coverage Options for Fleet Repair Costs
Mack Trucks introduced four system-specific chassis coverage plans, giving fleets more flexibility to manage repair costs for driveline, HVAC, electronics, safety systems, and other components.
Read More →
GM Launches ‘30 Under 30’ Program to Elevate Automotive Service Technicians and Inspire the Next Generation
The GM Automotive Service Technicians 30 Under 30 program honors GM service technicians under the age of 30 who demonstrate continuous technical training, exemplary customer service, mentorship, and leadership.
Read More →
Kooner Fleet Management Solutions Named Exclusive On-Site Fleet Maintenance Provider for Safe Truck Parking
A strategic partnership between Kooner Fleet Management Solutions and Safe Truck Parking brings mobile maintenance and 24/7 repair services directly to Safe Truck Parking locations, beginning in San Diego, California, with nationwide expansion planned.
Read More →
Building a Better Vehicle Replacement Model
Meter readings still matter, but engine hours, idle time, maintenance trends, and utilization can help fleets spot costly vehicles before the odometer does.
Read More →
How JASPER Keeps Fleets Moving and Profitable
Every business decision within fleet management ultimately comes down to financial performance. Investing in dependable replacement powertrain components and responsive support can measurably impact the bottom line.
Read More →
Ryder Honors 2026 Top Technician at 25th Anniversary Skills Competition
Hosted in Nashville, Ryder’s 25th annual Top Technician Skills Competition honored the best technicians across the U.S. and Canada. Top Tech celebrates technician expertise while promoting growth, recognition, and camaraderie. Here are the winners.
Read More →
Jasper Offers GM 6.6L Duramax L5P/L5D Complete Format Diesel Engines
Jasper Engines & Transmissions now offers the remanufactured GM Duramax 6.6L L5P/L5D as a complete format engine for several General Motors and International 2017-2023 HD pickup trucks.
Read More →
