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Plastic Coating Processes

PVC/ Plastisol is a vinyl compound that is liquid at room temperature and gels to a solid during the coating process. When heated, PVC/Plastisol fuses and is converted into a tough, homogenous mass with excellent abrasion, aging, corrosion, and electrical resistance; never to liquefy again. PVC/ Plastisols can be compounded in almost any hardness, clarity, and color. Plastisol can be dipped or sprayed. The surface appearance of PVC/Plastisol can vary between shiny, matte or foam.

Plastisol dip coatingis a thermal process. Metal parts are preheated, dipped, and then post heated. Process time, temperature and the consistency of the substrate will determine the thickness of the plastic coating. Although the plastic coatings can be quite thick, the outside dimensions of the parts are surprisingly controllable. Spec Industries' plastisol coating process allows us to hold the thickness to very close tolerances. Our precisely controlled ovens ensure that we control dip speeds, dip times, and withdraw speeds. All of these elements are paramount to the plastic coating process.

Fluidized-bed coating has been used in powder coating since 1952. It is the most cost-effective method for coating preheated metallic objects. The technology combines the fluidized-bed and dipping processes.

Plastic Coatings are...

· Able to cover large and small sizes

· Corrosion resistant

· Resilient and protective

· Have a Thickness from .005-inch to ½-inch 

· Available in many colors, textures, and durability (hardness)

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