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Sealants & Greases FAQs

Frequently Asked Questions

What is the NSN for Formula-8?

8030-01-527-7193

Does Formula-8 contain solvents?

No, Formula-8 is solvent-free and non-hazardous.

In what range of temperatures will Formula-8 continue to work?

Formula-8 will remain stable from -400°F up to 500°F.

Can Formula-8 be used to seal natural gas systems?

Yes, Formula-8 is safe to use in natural gas systems.

Can Formula-8 be used to seal fuel lines?

Yes, Formula-8 is safe to use in fuel systems.

For what size threads is Formula-8 appropriate?

Formula-8 can be used alone on threaded connections ¾” and smaller. In some cases, threaded connections larger than ¾” will benefit from two wraps of our Full Density PTFE Tape in addition to the Formula-8 to assist with bulk fill on those larger, more course threads.

When was Formula-8 invented?

Formula-8 was engineered back in 1967 to replace PTFE tape.

Can Formula-8 be used with liquid and gaseous oxygen?

Yes, Formula-8 is liquid and gaseous-oxygen safe under ASTM G72-82 and G86 (NASA) testing standards.

Does LOX-8 Paste prevent galling of stainless steel fittings?

Yes, Lox-8 Paste is a tremendous anti-galling agent and is formulated to protect and lubricate stainless steel threaded connections.

Is LOX-8 Paste corrosive?

No, LOX-8 Paste is super hydrophobic and will aid in corrosion prevention.

Are there any acids that will negatively impact the performance of LOX-8 Paste?

LOX-8 Paste is compatible with and will not react to acids. To confirm compatibility in your specific application, please see our Technical Data Sheet or submit a question to our engineers.

Will chlorine make LOX-8 ineffective?

No, LOX-8 Paste is approved by the Chlorine Institute (Pamphlet 164) for safe use in chlorine systems.

Can LOX-8 Paste and Grease be used in food processing and handling equipment?

Yes, LOX-8 Paste and Grease is NSF approved for use in food processing areas, non-food contact.

Does LOX-8 Paste contain solvents?

No, Lox-8 Paste is solvent-free and non-hazardous.

Under what pressures is LOX-8 effective?

10,000PSI or 4000PSI pure oxygen

In what range of temperatures will LOX-8 Paste continue to work?

Lox-8 Paste will remain stable from -400°F up to 500°F. As with all things at absolute zero, LOX-8 Paste gets hard but as the temperature begins to rise, LOX-8 will return to a paste.

For which bottled gases is LOX-8 Paste an effective thread sealant?

LOX-8 Paste is chemically compatible with most industrial and medical grade gases, including acetylene, carbon dioxide, helium, hydrogen, oxygen and propane. For a full list of compatible chemicals, please see our Technical Data Sheet.

For what size threads is LOX-8 Paste appropriate?

LOX-8 can be used alone on threaded connections ¾” and smaller. In some cases, threaded connections larger than ¾” will benefit from two wraps of our Full Density PTFE Tape in addition to the LOX-8 to assist with bulk fill on those larger, more course threads.

Is LOX-8 Paste effective in sealing urea tanks?

Yes, LOX-8 Paste is resistant to harsh chemicals including urea.

What is the NSN for LOX-8 Paste?

830-00-829-3982

Is the size or length of the thread a limiting factor with Formula-8?

No. Even fine threads in instrumentation systems are sealed effectively over the entire thread length.

Why is Formula-8 superior for hard-to-reach locations?

Because the paste “wets” the thread surface and cannot be accidentally knocked loose due to obstructed access or visibility.

Is Formula-8 easy to use?

Yes. All you do is coat the threads and immediately put the system back in service. There is no required curing time with Formula-8.

Can Formula-8 be used in food processing and handling equipment?

Formula-8 is NSF-approved for use in food processing areas, non-food contact.

When should I use Fluoramics’ other sealant product, LOX-8?

Use LOX-8 in wet or humid conditions and at higher pressures and temperatures.

Should I take any special precautions in handling Formula-8?

Yes, to avoid contamination, apply with a brush only used for Formula-8. Keep Formula-8 from freezing prior to application. During winter months, Fluoramics may put a ship hold on Formula-8 until temperatures are warm enough to ship.

Why is LOX-8 better than a cheaper substitute like PTFE tape?

Because the tiny PTFE particles in LOX-8 seal the microscopic cracks that tape cannot penetrate, and it’s much easier to apply correctly.

At what temperatures and pressures can LOX-8 operate?

Temperatures up to 450°F and pressures up to 10,000 P.S.I.

What is the difference between LOX-8 Paste and LOX-8 Grease?

LOX-8 Paste is thicker and therefore normally used to seal the threads in pipe joints.  LOX-8 Grease, being thinner, can also be used to lubricate bearings and other surfaces where severe oxidizers are present.

Does LOX-8 conduct electricity?

No, it is an insulator.

Is LOX-8 better than a silicone-PTFE grease?

Don’t compare the two. Silicone grease should never be used in oxygen-reactive chemical service or around electrical contacts. LOX-8 should be used instead.

How does one apply LOX-8?

To avoid contamination, apply with a small, disposable stiff brush that is only used with LOX-8. When necessary, remove LOX-8 with several applications of an oxygen-compatible detergent or solvent.

Can LOX-8 Paste be used with liquid and gaseous oxygen?

Yes, LOX-8 is liquid- and gaseous-oxygen safe under ASTM G72-82 and G86 (NASA) testing standards.

Can you explain the differences between Formula-8, Lox-8, and Chem-8?

Sure! Take a look at this chart which shows the differences between the products and helps define the best uses for each one.

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Sure! Take a look at this chart which shows the differences between the products and helps define the best uses for each one.