

- Keeps hydraulic seals soft and pliable
- Reduces friction and wear in hydraulic systems
- Cleans and prevents harmful formation of sludge and varnish
- Helps hydraulic systems run cooler and last longer
- Mixes with all factory approved hydraulic fluids and synthetics
Description
Rislone Hydraulic Seal is specially designed to repair hydraulic fluid leaks, reduce friction/wear and renew seals and O-rings in hydraulic systems. This product is engineered to be professional-grade and is safe to use for consumer applications as well as commercial use cases. Rislone Hydraulic Seal works with all petroleum and synthetic fluids, pump seals, control valve seals, actuators, rams, cylinders, O-ring boss fittings and hydrostatic transmissions.
In addition, Rislone Hydraulic Seal:
- Keeps hydraulic seals soft and pliable
- Reduces friction and wear in hydraulic systems
- Cleans and prevents formation of sludge and varnish
- Helps hydraulic systems run cool and last longer
Dosage & Directions
Mixes with all factory-approved hydraulic fluids and synthetics
All of our leak repair solutions are the result of over 70 years of extensive research. Since our first year in business, we’ve been synonymous with stopping leaks in consumer, commercial, OEM and even military applications. When you choose Rislone, you can depend on proven performance at a reasonable price, backed by a company that knows leaks better than anyone else in the world.
Data Sheets
FAQ's
Yes, Rislone Hydraulic Stop Leak is compatible with all petroleum based, mineral oil, and synthetic fluids. Do not use with water-glycol or phosphate ester flame retardant hydraulic fluids. Do not use in brake fluid systems.
41820 (950mL) – one bottle treats 30 liters
41821 (3.8L) – one bottle treats 121 liters
If first application does not completely stop leak, may I add another dosage?
Can Hydraulic Seal be used for preventative maintenance to help prevent leaks?
Yes, this is a great product to use in older systems to keep them working properly not only to prevent leaks, but keep the system lubricated and protected. The recommended preventative maintenance dose is ½ ounce per quart of fluid capacity.
Rislone Hydraulic Seal starts working the minute you install and start using equipment. Most leaks are sealed within a few hours of application and usage. Some leaks can take longer, up to a few days. Old accumulation of fluid on outside of system may drip for a few days after leak has stopped.
Yes, Hydraulic Seal will mix and work perfectly in a hydraulic system using motor oil.
No, this product will not affect painted surfaces any differently than straight hydraulic fluid.
No, this product will not affect painted surfaces any differently than straight hydraulic fluid.
No, this will not harm or affect hoses in any way.
Nothing, they are the same thing, just a terminology difference.