The uses of paint primer

File:White primer bucket.jpgWhat exactly is primer and why is it used?  Primer, according to Wikipedia, “is a preparatory coating put on materials before painting.  Priming ensures better adhesion of paint to the surface. increases paint durability, and provides additional protection for the material being painted.”

There are three basic types of paint primer, and ones that are most often used:

  1. Alkyd, which is oil based- There are two types of alkyd resins. Drying and nondrying.  They are drying oils for example: Glycerin and pentaerythritol.
  2. Acrylic, oil based-Acrylic primer is versatile and easy to use.  Types of Acrylic primer include: 1). Universal primer/sealers, 2). Stain blocking primer, 3). Masonry Primer, 4). Block Fill, and 5). Enamel Undercoat.
  3. Tinted Shellac-Is known as an excellent primer for interior surfaces.

Each type of primer has its own uses which primarily depends on the type of surface and the environment.

Source: Wikipedia and Ehow

Image: Wikimedia Commons

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