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FAQ’s

Faq's

Frequently Asked Questions.

To learn a little more about us, take a look at these answers to frequently asked questions. And if you want to know whether Sandstrom is the right choice for your next challenge, don’t hesitate to contact us directly.   

Is there a minimum order requirement?

There is not a minimum order requirement for stock SFLs. You can purchase just 1 aerosol of 28A, for instance, or just 1 quart of 9A. The only exception is a minimum quantity of 12 for 28A markers as of 4/1/2018.

For specialized or custom products, please call us Toll Free 1.800.747.1084 or contact us to obtain pricing to meet your volume needs.

How do I obtain a quote?

Please utilize our 'Request a Quote' page on this website next to the Resources tab. You can also email our Customer Service Team  or call them Toll Free 1.800.747.1084. We also accept RFQs via fax at 309.523.3912. 

What are Solid Film Lubricants?

Solid Film Lubricants are high performance "paint-like" coatings consisting of very fine particles of coating pigments blended with a binder and other special additives. When properly cured these coatings bond to the surface of a part and form a solid film which reduces friction and increases wear life. Many Sandstrom Solid Film Lubricants also contain corrosion inhibitors which offer exceptional corrosion protection in harsh environments.

How does a Solid Film Lubricant work?

Solid Film Lubricants reduce friction and wear by preventing surface-to-surface contact between mating parts.

How thick is the film?

Most Sandstrom Solid Film Lubricants yield a film thickness of .0002 to .0005 inches. Usually engineering tolerances will permit necessary minimum film buildup without interference. If excess buildup does occur, the part can be burnished lightly.

How are Solid Film Lubricants applied?

Solid Film Lubricants may be sprayed, dipped, or in some cases brushed to a properly prepared surface.

What is Burnishing?

The dictionary definition of burnishing is to polish or buff something, especially metal, by rubbing. Typically someone would burnish metal to remove marks and recreate a shiny surface. With Solid Film Lubricants, burnishing the coating results in the opposite effect – a burnished Dry FIlm Lubricant has been rubbed resulting in a loss of shine.

Solid Film Lubricants are performance - not cosmetic - coatings. The loss of the coating’s shine is not indicative of poor application or handling. Rather, burnishing is a characteristic of cured Solid Film Lubricants. Burnishing or marring of the coating with simple handling is normal and, once the parts are in service, is expected.

A cured Solid FIlm Lubricant has a relatively soft surface that contains coating pigments, such as molybdenum disulfide, that allow the dried film to carry a load or provide a long-lasting wear surface.

Any burnishing or marring of the surface prior to a part being put into service does not degrade the coating’s effectiveness. It is a simple disturbance of the coating pigments on the surface of the dry film coating. The resin system utilized in the coating bonds coating pigments to the surface of the substrate during the curing process. Therefore, the burnished surface does not affect the performance of the cured film as a whole.

Where can I order MIL-PRF-46010 Color 2 to meet my drawing?

Currently there are no MIL-PRF-46010 Color 2 products on the military's QPL (Qualified Product List). Therefore, unfortunately this product is not available to meet your drawing specification anywhere on the market. If your drawing calls out MIL-PRF-46010 Color 2, a Color 1 product will have to be substituted.

Within the MIL-PRF-46010 specification there is a Color 1 - Natural Product color (typically a dark grey) and a Color 2 - Black color. Both Colors have the same performance requirements, with the only difference being the color standard requirements for the Color 2 (Black). One of Sandstrom's competitors at one time had a product that met the QPL but was pulled due to causing corrosion. As a result, the latest revision to MIL-PRF-46010, dated 13 November 2013, included a listing in paragraph 6.5.1 of restricted materials that cannot be used to reach the black color because of the corrosion they promote. Sandstrom recommends contacting the end user of the component you are coating and applying for substitution of the Color 2 for Color 1, which is our #099 in Natural Product color (dark grey).

Does it matter whether I use a Zahn EZ cup vs. a Zahn Signature cup?

Yes. The Zahn Signature and EZ Zahn cups will result in different viscosity readings. If you are getting a result that is different from Sandstrom's Technical Data Sheet, you may be using a different cup from what we used. Read more from the Zahn cup manufacturer about viscosity measurement using different Zahn cups here.

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