What is left unsaid about deglossers is that it matters greatly what paint or finish you’re trying to clean and dull. Follow safety data sheets for MEK and Acetone for more information on proper safety and handling. )9�SDZ��HdQ���y!�pK���;"%�%�C�Xl�0*�0�&�&B�v2�B�t�(�;©SD�w�-��p�%��p��Yn��k��G�J�.6J����|pXDc�O1g�(�Q�(�AaWM����'I�Ti���������_8��mÁ�K��}����h�k�����mv�b�R*����T2�ri,5=8��I�]S�zЙf�0��l� �3���2�n}���+��Ѷ�|��wE2Û5�7�}�N+����d�f>��`�ƻT�Z�5���C���`\m�����̌�1P�)BG�2e��6� Ӓ����]*�6q2c(�2��0V�Mdg�ϸ�&P!U!P��r,�FX��i��n�����TR�e�&���P�����e�`2���6c0'�q��V�-�U��"l1þ�C�:��F���. Don’t use gasoline. At high levels, its vapors can … Acetone is unique in that it is the only common solvent that is exempt as a VOC (volatile organic compound) and HAP (hazardous air pollutant). Using a dampened cloth (and solvent-resistant gloves) you can easily remove latex paint that has spattered off a paint roller, or even a full coat of latex paint, from any finish except water-based finish (you’ll remove the water-based finish too), without causing any damage to the underlying finish. You may find the extra expense worth it just to avoid the unpleasant odor of regular mineral spirits. HAPs are bad for us to breathe. Mineral spirits, on the other hand, doesn’t dissolve varnish; it just thins varnish. So there was only one thinner for paint.
Denatured alcohol is ethanol (the alcohol in beer, wine and liquor) that has been made poisonous so we don’t have to pay liquor taxes to buy it. You can use as much acetone as you want, everywhere. You will remove it in most cases. Alcohol is the solvent because it dissolves solid shellac flakes and the dried finish, and it’s the thinner because it thins the liquid shellac after the flakes have been dissolved. Naphtha evaporates faster than mineral spirits and is “drier,” that is, less oily. These differences are why MEK can be a stronger cleaning agent than acetone.
The process is called distillation—and thus, petroleum distillates. You should never use them in any sizeable quantity in a room without good exhaust. … Both MEK and Acetone can cause drowsiness and dizziness. Acetone is not considered to be a volatile substance, though its low boiling point does make it more flammable than other substances. Emulsified furniture polishes are better cleaners because they remove both solvent- and water-soluble dirt. Then there’s ethane, propane, butane, etc. This quality is convenient for distillation of moisture in certain applications.
Toluene and xylene are very effective as oil and grease removers, but naphtha should be adequate for most situations. People often replace MEK with acetone in their industrial applications because it is somewhat less toxic than MEK, but it carries many of the same health and safety risks. This quality does not make Acetone the ideal choice for ink products. %%EOF Methyl Ethyl Ketone is very useful in paint, rust, varnish, lacquer, and grease removers. For more on dissolving and thinning, see What Dissolves and Thins What.). h�b``d``r```�w�01G�� 30�0�0�6��g�-`�aP^��$,��j���`��]�a��FA�|�EJ���+|�&�0 �� Furniture polishes are primarily petroleum distillates in the evaporation range slightly slower than mineral spirits. In fact, the products sold specifically to do this, “Oops!” and “Goof-Off,” are principally xylene. Petroleum distillates are distillations of petroleum. When understood this way, it’s obvious that odorless mineral spirits is a weaker solvent than regular mineral spirits.
Copyright © var year = new Date();document.write(year.getFullYear()); Apollo Sprayers International, Inc. All rights reserved. Dampen a cloth with denatured alcohol and wipe over the mark. Solvent Recycling: Acetone, MEK, Lacquer Thinner and Toluene This guide examines the recycling of solvents to reduce hazardous wastes, expenses and the burden of regulatory requirements. They include mineral spirits (informally referred to as “paint thinner”), naphtha, toluene, xylene and some “turpentine substitutes” such as turpatine and T.R.P.S. MEK and Acetone are both utilized as solvents in coatings, lacquer, varnish, and paint. Slow evaporation rate. Methyl Ethyl Ketone is very useful in paint, rust, varnish, lacquer, and grease removers.
Today, with water-based paints and finishes in wide use, the name could be confusing to beginners. The process of refining crude oil to produce gasoline, kerosene and other fuels also yields a number of other products, including solvents. The turpentine substitutes, turpatine and T.R.P.S., are more similar to turpentine than to mineral spirits. Water soluble.
Acetone is often utilized as a paint thinner. Only use MEK and Acetone in well-ventilated areas. These solvents are removed from mineral spirits and naphtha at refineries and sold separately as oil and grease removers. Before the mid-twentieth century, turpentine was widely used as a thinner and clean-up solvent for oil paint and varnish and also as an oil, grease and wax remover. Crude is a mixture of hydrocarbon chains of various lengths and structures with unique boiling points. endstream endobj startxref (Notice the technical difference between the terms “solvent” and “thinner,” even though they are often used interchangeably. Amazingly, there are manufacturers who try to trick you into paying more by labeling their containers “pure” mineral spirits and charging more. Following is an overview of each of the most commonly available solvents. It is used as the solvent and thinner for shellac. The two most widely used finishing solvents are mineral spirits and naphtha. It is used in many industries as a cleaner and degreaser. Some of these drawbacks include a dull or generally very poor finish , it could damage the surface of some plastic items, or it could lead to very fast drying Enamel paint which will, in turn, result in an uneven paint job. You can add acetone to lacquer and shellac to get them to dry faster in cold temperatures. h�bbd``b`Z$l�s
One very interesting use for toluene and xylene is to soften latex paint. Do not let MEK or Acetone come into contact with the skin.
For a deeper understanding that better relates all the finish solvents to each other, see Understanding Solvents, Part II. Brands of brush cleaner and deglosser (liquid sandpaper) vary greatly in their composition. Technical Data | SDS | Request Quote. Acetone should not be utilized for this purpose, because it is fast-drying. The problem with these two solvents is that they are relatively toxic. The common naphtha available in paint stores is VM&P Naphtha. It’s important to emphasize that mineral spirits and paint thinner are the same thing.
Lacquer Thinners is not meant to be used with Enamel Paints so there are obviously a lot of drawbacks when it is still used to thin Enamel Paints. They will affect your nervous system causing irritability and drunkenness, and in large doses could cause serious health problems. To separate these out, refiners boil the crude and pass the vapors through distillation tubes in a procedure known as fractional distillation. Because white and yellow glues are the same chemistry as latex paint, you can also use toluene or xylene to soften and scrub these glues from wood when you have glue seepage or finger prints you didn’t fully remove during sanding. Benefits of Acetone. Soluble with water. These petroleum substitutes have a solvent strength closer to naphtha and an evaporation rate closer to mineral spirits.
MEK is also useful in products like dry-erase markers, because it is slow-evaporating. (It’s easiest to clean shellac with household ammonia and water.) Acetone is typically a better solvent than MEK, because it dissolves a wider range of compounds.
Acetone is also the most effective solvent for removing the oily resin from the surface of some exotic woods, including teak, wenge and cocobolo, before gluing with a water-based adhesive or finishing with an oil or varnish. You can add acetone to lacquer and shellac to get them to dry faster in cold temperatures. MEK is both less soluble and less volatile than acetone. I don’t know of any situation in wood finishing where this is important. Since MEK and Acetone share the ketone trait, many assume that they can be used as interchangeable solvents. Mineral spirits is strong enough for any normal operation. Both acetone and MEK are very strong (high solvent strength) and fast evaporating solvents. Methanol evaporates a little faster than denatured alcohol, but methanol is toxic and could blind or even kill you if you breathe too high a vapor concentration for too long.
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