The problem

Since the beginning of the 1990s, heating oil distributors and repair technicians have noticed an increase in fuel-related problems, including blocked filters, damaged pumps, blocked pipes and nozzles, as well as sludges in new and old tanks.


The sample of heating oil in photo A, produced in 1970, has remained stable and free from sediment for over 30 years. The sample in photo B was produced recently. Sediment is already forming in the lower part of the container.


Studies on the industry show that more than 40% of emergency call-outs relate to fuel quality, costing heating oil distributors and customers millions of euros and damaging the image of oil as a modern, problem-free source of energy. One of the main causes of problems with fuel was changing the traditional method of refining crude oil, which used to be distilled, but now uses CATALYTIC CRACKING.

Traditional refining


Traditional refining produces 55% of petrol, kerosene and oil. Fuel refined by this process tends to be highly stable in store compared with cracked fuel.

Catalytic cracking

catalytic cracking

Catalytic cracking was developed to produce higher petrol, kerosene and heating oil yields from crude oil.

catalytic cracking

During catalytic cracking of hydrocarbons, the hydrocarbon chains are broken into smaller segments. However, the ends of the new molecules are chemically unstable. The cracked material is refined once more to produce 40% more light fuel. In the refined products, the molecules are prone to re-combining, a process called "re-polymerisation". The long chains that were broken tend to quickly regroup in a process called "agglomeration". This agglomeration is the prime source of all sludge in fuel today. At present, nearly all heating oil is produced by catalytic cracking

catalytic cracking

UltraGuard really is the solution

UltraGuard™ is an economical and effective solution to problems with heating oil these days. UltraGuard™ contains stabilisers and dispersants which dramatically increase the useful life of fuel. The stabilisers prevent the broken molecules from forming new chains. The dispersants prevent re-polymerised material from agglomerating and forming sediment and sludges.

As it cannot agglomerate, the fuel flows safely through components in the system and is burned.

Heating oil distributors starting to use UltraGuard™ can expect to see an immediate reduction in call-outs, while at the same time, the sediment in their customers' tanks will begin to disappear in the fuel.

It combats the growth of bacteria, oxidation and corrosion.
UltraGuard™ also contains biocides that help prevent biological contaminants that can cause sediment in tanks. Oxidation is another problem that UltraGuard™ helps to solve. The antioxidants in UltraGuard™ combat fuel oxidation, a less common cause of sediment.

Seeing is believing

three pipes

The three pipes above were filled with heating oil from the same tank. They were then "aged" by a simple heat test. See how the sample treated with UltraGuard™ has stayed clearer, showing that the stabilisers in UltraGuard™ have kept the heating oil almost sediment free.

Approved by the USA navy


UltraGuard™ is a version of a product manufactured and distributed by International Lubrication and Fuel Consultants, Inc. It is approved for use in US navy ships. To obtain this approval, the performance, quality and safety of this product were verified through rigorous analysis by the navy.

What professionals have discovered

"UltraGuard™ is very good for us. The number of emergency call-outs has fallen dramatically. UltraGuard™ is easy to use and with the results we are getting, it pays for itself.".


"The benefits of UltraGuard™ far outweigh the costs. There are practically no more blocked nozzles and filters. That improves our profits, as our technicians are not called out unnecessarily.".

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