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Bel-Ray Specialty Lubricants: Tech Notes, Vol 2, Issue 10

October, 2011


Bel-Ray NO-TOX® Lubricants

When one of the largest beef processors in the world tests their currently used bearing grease in the meat grinding department bearings and finds microbes, it’s time for a Bel-Ray No-Tox grease. Bel-Ray’s complete line of No-Tox lubricants is uniquely formulated with USDA acceptable microbiocides. Bel-Ray was the first company to successfully offer these microbiocides as an effective way to control and inhibit the growth of bacteria, yeast and molds in H1 approved lubricants.

Oil-based food grade lubricants are commonly used in the food processing industry in order to provide lubrication in bearings, gearboxes, pumps, hydraulic systems, agitators, etc. Although the lubricant is often inside a piece of machinery and is generally isolated from the exterior environment, food processing equipment is often subjected to severe caustic wash-down and sanitation procedures. Over time, water from the cleaning operations tends to migrate into the machinery (bearings, gearboxes, etc.) and comes in contact with the lubricant, forming a water and oil emulsion. Such water and oil emulsions can become fertile grounds for growth of bacteria, yeast and molds. It is possible that bacteria may metabolize in the lubricants and result in the formation or proliferation of these types of microbes.

As a worldwide leader in non-toxic lubrication technology, Bel-Ray Company provides a broad and comprehensive line of food grade No-Tox products for the pharmaceutical, beverage, cosmetic, personal hygiene, poultry and meat processing and other food/clean industries.

No-Tox is a trademark of Bel-Ray Company, Inc. Each of the Bel-Ray No-Tox products are uniquely formulated with USDA acceptable microbiocides. The anti-microbial agents used in

Bel-Ray No-Tox products are not antiseptics or sterilizing agents. They do, however, effectively inhibit the growth of certain bacteria, yeast and molds, and control microbial proliferation

in Bel-Ray No-Tox products.

Keep in mind that:

  • The anti-microbial agents used in food grade Bel-Ray No-Tox products are for lubricant protection use only.
  • Bel-Ray No-Tox products do not kill “on contact” nor do they have antiseptic properties.
  • The anti-microbial agents used in Bel-Ray No-Tox products keep bacteria, yeast and molds from growing in the lubricants and from being transferred to food or machinery.
  • Bel-Ray No-Tox products are not intended to destroy, deter, render harmless, prevent the action of, or otherwise exert a controlling effect on harmful organisms, but rather to be used as lubricants for the food industry machinery–they are not sterilizing agents themselves.
  • Bel-Ray No-Tox products are Kosher and Pareve approved, as well as Halal certified.


Silicone Used to Control Foam

Foam is a collection of tightly packed bubbles surrounded by a film of oil floating on the surface of an oil reservoir. Many times the foam is just cosmetic but should be treated if the condition causes safety problems by spilling out of the gearbox onto the floor or if the equipment is being lubricated with foam.

Silicone is the standard treatment for the control of foam in lubricating oils in the form of polydimethylolysiloxane. The method by which the silicone works to control foam is very simple, the silicone antifoamant contacts the surface of the oil bubble and spreads around the bubble thinning the bubble film until the bubble ruptures.

Silicones have very low surface tension and accumulate at the air/oil interface of the bubbles. The silicone material is insoluble in oil and very difficult to mix into the oil solution. To be most

effective the silicone particles must be less than 5 to 7 microns in size to ensure long-term foam protection. Silicone antifoamant works very well in turbulent systems as the turbulence causes the bubbles to collide with each other creating larger bubbles that rise to the surface where they rupture. Normally silicone antifoamant is present at concentration levels of only 5 to 10 parts per million.

Silicone additives can be added successfully to turbulent systems to correct foaming. However, they must be added correctly and only if the root cause of the foaming cannot be corrected.

The proper way to introduce silicone antifoamant is to mix the silicone into oil using a high shear mixer (blender) or it can be added very slowly into the turbulent section of the oil. It is not recommended to use silicone sprays because they tend to drop out of the oil.

Excessive silicone antifoamant can cause air entrainment problems in stagnant systems as the silicone is much denser than the surrounding oil and can cause the air bubbles to sink in the oil causing air entrainment. Excessive silicone may be introduced from excessive silicone sealant or from the interior of oil hoses that contain silicone spray that was used on the hose mandrels to attach the end fittings.

Contact your Bel-Ray Sales Representative to discuss any foaming issues before attempting to treat the condition. There are many conditions that can cause foaming; contamination, water, air leaks and high pressure. All of these need to be ruled out before additional silicone is added to a system. Bel-Ray Performance Lubricants are formulated with antifoamant to counteract foaming conditions.


Bel-Ray 6 IN 1— All Purpose Lubricant

Bel-Ray 6 in 1 is the answer for powersports, marine, automotive, household and general tasks

of all sorts; lube pivot points, cables, hinges, garage doors, locks. Displaces water from chains, electrical systems, 2-stroke and 4-stroke exhaust pipes. Loosens rusted nuts and bolts. Removes sticker adhesive, sap and gum. The applications for this high performance lubricating and penetrating fluid are endless.

Its exceptional low viscosity creeping properties allow it to penetrate the narrows of frozen threads and to free rusted mechanical parts. Bel-Ray 6 in 1 will make removal of frozen fasteners and fittings much easier. Its special high film strength and anti-wear additives will protect and lubricate all metal surfaces, minimizing metal-to-metal contact for less scoring, galling and seizing.

Bel-Ray 6 in 1 is a great lubricant for regular clutch and throttle cable maintenance. Its high film

strength lubricating properties provide for smooth cable movement through the cable housing. It not only cleans and pushes dirt and contaminants out of the cable housing,

Bel-Ray 6 IN 1— All Purpose Lubricant but at the same time the residual oil film acts as a rust and corrosion preventative for the cable.

Bel-Ray 6 in 1 provides superior corrosion protection from moisture and leaves an impervious coating for long lasting protection. It is great at displacing the water from deep inside chain rollers, preventing rust pitting and corrosion, leading to longer chain life. In addition to displacing moisture that a machine may encounter, Bel-Ray 6 in 1 is highly recommended for protecting electrical components, from simple connections to distributor systems.

Fight rust and corrosion—Lubricate metal parts—Use Bel-Ray 6 in 1. This non-toxic, non-corrosive aerosol formula is user-friendly as it does not harm plastic or painted surfaces. When a great performing, general purpose lubricant, cleaner or corrosion stopper is needed, Bel-Ray 6 in 1 is the answer.

Bel-Ray 6 in 1 is big and bad enough to handle Big Gus – the world’s largest working chainsaw.