Mineral spirits là gì

Lee has over two decades of hands-on experience remodeling, fixing, và improving homes, & has been providing home improvement advice for over 12 years.

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Water-based latex paints have evolved and have become more prevalent in the home lớn the point where oil-based products are used less frequently. Yet some professional painters and do-it-yourselfers still prefer oil-based paint for its ability khổng lồ self-cấp độ & remain streak-free. Plus, most stains và varnishes are still oil-based, as well. Water cannot be used as a solvent for any of these products.

Mineral spirits và paint thinner are indispensable solvents for thinning oil-based paint, stains, and varnishes, as well as for cleaning up paint equipment & oily materials. Is there any difference between mineral spirits and paint thinner? If so, which of the two should you purchase?

What Is Mineral Spirits?

Mineral spirits is made of 100-percent petroleum distillates and it has no additives. Mineral spirits is a clean, clear sản phẩm that"s used for thinning oil-based paint. It can also be used for thinning or cleaning stains and varnishes.

What Is Paint Thinner?

Mineral spirits-based paint thinner is often blended with additives such as trimethyl benzene (benzene). Sometimes, paint thinner is mineral spirits with no additives, as well.

Since paint thinner describes the function of the hàng hóa, not necessarily its makeup, it can essentially be anything that thins paint. So, even citrus-based products or turpentine, which is derived from pine trees, could be called paint thinners.

Mineral Spirits vs. Paint Thinner

Mineral spirits is a term that specifies the product"s composition, while paint thinner is a generalized term that describes the product"s function, not its composition.Both products are derived from minerals. This distinguishes them from products such as turpentine that are derived from living pine trees.Generally, mineral spirits & paint thinner are interchangeable products.Mineral spirits may be priced higher than paint thinners.As a general term, paint thinner can mean anything that thins or cuts paint, including products advertised as safe, green, or eco-friendly that have as little as 15- lớn 40-percent petroleum distillates. It can even mean products that have no petroleum content, such as turpentine.


Mineral spirits is derived from minerals: in this case, petroleum. All products labeled as mineral spirits should contain 100-percent mineral spirits, unblended và with no additives. Pure mineral spirits is a paint thinner.

Products labeled as paint thinner can refer lớn pure mineral spirits, blended mineral spirits, turpentine, acetone, naphtha, or any number of other products capable of thinning oil-based paint. Most often, though, paint thinner means less refined mineral spirits with 5-percent or less benzene content added for better solvency and aroma.

It is important lớn distinguish the class of blended and unblended mineral spirits from other classes of products capable of thinning paint. The former class, derived from petroleum, is clear, non-sticky, & relatively odor-không tính phí. The latter class can include products such as turpentine, derived entirely from pine tree oleoresins và with no petroleum content. In fact, due to lớn turpentine"s foul odor & caustic nature, mineral spirits, often called trắng spirits, were developed as a safer, gentler solvent.

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Also, those blended & unblended mineral spirits differ vastly from solvents commonly advertised as paint strippers or paint removers. These solvents, meant lớn dissolve hardened paint, contain a host of chemicals such as alcohol, methanol, và xylene, khổng lồ name only a few.


Both unblended mineral spirits and blended mineral spirits called paint thinners have sầu an odor similar to lớn camping lantern oil or kerosene. Due khổng lồ the added benzene, paint thinner will have more of an odor than will pure mineral spirits. The smell is typically sweet and most users vị not find it objectionable. Due khổng lồ the difference in odor, pure mineral spirits tends khổng lồ be better for interior use.

Generally, both straight mineral spirits & mineral spirits-related paint thinner are low in odor in comparison lớn the foul, chemical-like smell of other classes of paint thinners.


Pure mineral spirits & related paint thinner have no difference in terms of safety. Each hàng hóa ranks the same in all safety categories of the OSHA-mandated Safety Data Sheet (SDS) for paints and solvents. When inhaled, benzene can cause drowsiness và even can render one unconscious.

Long-term exposure in high quantities may adversely affect your health. For that reason, always make sure that you are working in a well-ventilated area when using mineral spirits with added benzene.

Cost Difference

Mineral spirits usually costs more than blended paint thinners. Generally, pure mineral spirits will cost about 40- lớn 50-percent more than mineral spirits-based paint thinners with additives.

Common Uses for Mineral Spirits and Paint Thinner

Thinning oil- or alkyd-based paints while those paints are still in soluble formRemoving waxy films on wood surfacesSoaking oily oto partsDegreasing or cleaning oily equipment or toolsCleaning spray equipmentRemoving sticky adhesivesEliminating heel and scuff marks from flooring

Uses lớn Avoid

Neither sản phẩm will act as a paint stripper or remover for paint that has already cured.Never use mineral spirits or paint thinner for cleaning latex paint from brushes or surfaces.Never attempt lớn use either mineral spirits or paint thinner as a fire starter for charcoal, wood, or any other type of flame.

Should You Buy Mineral Spirits or Paint Thinner?

Both mineral spirits & paint thinners that are blended mineral spirits perkhung largely the same functions. Both are clean, clear, and non-sticky solvents for thinning và for cleaning oil-based paints, stains, và varnishes.

Pure mineral spirits is more expensive sầu, so it is recommended that you use them more sparingly. Since paint thinner is less expensive sầu, it is best for large residential use or commercial use. Because pure mineral spirits has a lower odor, it is best for indoor use.