Monday, March 7, 2022
Plastisol is a PVC-type coating in plasticizing liquids. At room temperature, Plastisol is a liquid; when heated or cured, the liquid turns to a flexible, rubber-like barrier.
Once applied, Plastisol coating is practically indestructible, making it ideal for numerous high-impact applications.
Why Use Plastisol?
Plastisol coating is renowned for extreme corrosion resistance, but there is much more to it than that.
This coating is tough, making it nearly impossible to damage with impact – it will not chip or fray. Plastisol is often applied to components as a preventative measure to reduce wear or eliminate rattling. It also boasts impressive chemical resistance.
Although it is a PVC-based coating, Plastisol has a soft, almost rubberized feel. It is comfortable and easy to grip and boasts terrific sound-deadening properties. It can be used to reduce the wear on parts and eliminate rattling.
As an insulator with high dielectric strength, this coating also many electrical applications, including electrical sheathing.
How Is It Applied?
Plastisol begins as a fluid mixture of PVC particles and additives. In this non-processed liquid state, it can be poured into a mold or applied in a dipping process. Plastico Industries utilizes several carousel lines and a small monorail line for Plastisol dip coating.
The product is first preheated in an oven. Once the product reaches the determined temperature, it is lowered into the Plastisol solution. The product is coated and then returned to an oven for curing, which converts the liquid to its hardened state.
The thickness of the coating can be controlled by the temperature to which the product is preheated. The higher the preheat temperature, the thicker the coating. Lower temperatures deliver a thinner coating.
Is Plastisol Applied to the Whole Product?
The process of applying Plastisol allows for unlimited flexibility in coating.
In most cases, Plastisol is applied to the whole product, creating an indestructible seal around the piece. When customers ask for only a small portion of a product to be protected with Plastisol, the product is partially dipped to the desired coating requirement and then cured.
So, How Durable is It?
Plastisol offers many advantages not found in other coating options. It delivers a lifetime of protection to the product and is flexible in its composition.
Hardening agents can be added to deliver a cured hardness up to a Shore durometer rating of 90, which is harder than the plastic on a hard hat, while UV inhibitors protect against fading from the sun’s damaging rays.
Additionally, Plastisol has natural anti-bacterial and anti-microbial properties and can even be formulated to meet FDA food grade requirements.
What Industries Use Plastisol Coating?
Plastisol bonds well to any metal substrate when properly primed and its extreme durability makes it the coating of choice for applications across every industry. The applications for coated products are wide-ranging. Industries that use Plastisol coating include Forestry, Mining, Aviation, Automotive and Heavy Machinery.
Its flexibility also lends this coating to small and delicate products. Locksmiths understand the advantages of a Plastisol coating, as even the tiniest of lock picks receive this durable coating solution.
Plastisol is also the coating of choice for outdoor municipal playground structures. With its extreme durability, UV protection and sound deadening properties, it’s no wonder why most playground equipment is coated with Plastisol!
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