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What is a plastisol ink and how its made

Plastisol ink is a type of screen printing ink that is made from polyvinyl chloride (PVC) particles suspended in a plasticizer. It is a versatile and durable ink that is commonly used to print on fabrics, such as t-shirts, sweatshirts, and other textiles.

Here is a general overview of how plastisol ink is made:

  1. PVC resin particles are mixed with a plasticizer, such as dioctyl phthalate, to form a thick, liquid paste. The plasticizer helps to make the ink more flexible and less brittle.

  2. The paste is then heated to a temperature of around 150 to 180 degrees Celsius to melt the PVC particles and form a homogeneous mixture.

  3. The mixture is then cooled to room temperature and screened to remove any impurities or particles.

  4. The ink is then mixed with pigments and other additives, such as binders, thickeners, and fillers, to create the desired color, consistency, and performance characteristics.

  5. The final product is a thick, viscous ink that can be screen printed onto fabrics or other substrates using a squeegee.

Plastisol ink is known for its opacity, vibrancy, and durability, as well as its ability to adhere well to a variety of substrates. It is also easy to work with and has a relatively long shelf life compared to other types of screen printing inks.

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